Home

GI-4 - Textfiles.com

1. oN ouuo LH NYOHJA VI NVOH3A jeusis HIE GOL 1 LZ fszt 86 201 90 DH PLI BI 92 Gil ERIC 0 pet vc fez Z Hl H 8ZH AOdrzHH 9941 775 94IM 3 2 9 8 jeans t 8 49 5 8 2 H 0 6 Kr YOLOANNOO E EE 94IM JO 20109 HN M40PHL _ 294 4039 9 IAVN 1 2 94IM JO ON 4905 eusis adh LINN IOHLNOO SAV 61560005 _ 984 4039 9 LNOHLIM LINN TOULNOO Av PBN 1030241059 99 94IM 40 ON uonesyioeds jeusig CS amacam EG EZ Do LL IO MJOISN edi 10199uuo5 0018 3sn4 A WALSAS S9NDIO3HO III L Inn SNOO JCAWA0032GE G37 Coupe GI 50 2007 June ision Rev CONSULT III GST CHECKING SYSTEM BASIC INSPECTION NS JO ON uoneoyioeds eusis HS HET OS X3 A3803 L LINN HOSN3S SISONDVIC HIV 4039euuoj 201990190 HN 8J0tH L ed
2. FINGOW 1OH LNOO IWog WALSAS II LINSNOO JCAWA0033GE G37 Coupe GI 51 2007 June Revision
3. lt 15 Diagnostic test 2 gt 9 Function Pre ee Eu Es 2 5 5 2 lt lt lt lt lt 2 2 lt E Zig E 0 5 Q O en lt lt lt lt This mode enables a technician to adjust Work support some devices faster more accurately by x X following the indications on CONSULT III Self diagnostic Self diagnostic results can be read and XIXI x x x results erased quickly Current self diagnostic results and all trouble Trouble diagnos diagnostic records previously stored can be 1 Data monitor Input Output data in the ECU can be read XX SE The condition of CAN communication line can CAN diagnosis Se xi xi xix xix xi e A Ee AE ANE AE be indicated by a topology CAN diagnosis The condition of CAN communication line can X XI IX X X X x X x support monitor be read Diagnostic Test Mode in which CONSULT III drives some actuators apart from the ECUs Active test and also shifts some parameters in speci fied range DTC amp SRT con The results of SRT System Readiness Test and the self diagnosis status result can be firmation confirmed This mode enable
4. S NT002 CAUTION Every time the vehicle is lifted up maintain the complete vehicle curb condition e Since the vehicle s center of gravity changes when removing main parts on the front side engine transmission suspension etc support a jack up point on the rear side garage jack with a mission jack or equivalent Since the vehicle s center of gravity changes when removing main parts on the rear side rear axle suspension etc support a jack up point on the front side garage jack with a mission jack or equiv alent Be careful not to smash do not do anything that would affect piping parts Garage Jack and Safety Stand and 2 Pole Lift INFOID 0000000001679198 WARNING Park the vehicle on a level surface when using the jack Make sure to avoid damaging pipes tubes etc under the vehicle Never get under the vehicle while is supported only by the jack Always use safety stands when you have to get under the vehicle Place wheel chocks at both front and back of the wheels on the ground When lifting the vehicle open the lift arms as wide as possible and ensure that the front and rear of the vehicle are well balanced When setting the lift arm do not allow the arm to contact the brake tubes brake cable fuel lines and sill spoiler Revision 2007 June GI 30 G37 Coupe LIFTING POINT lt PRECAUTION gt Se OK lt lt JMAIA0060ZZ 1 Safety stand point and lift u
5. 9T M10 10 0 1 25 55 5 6 41 80 8 2 59 1 75 100 10 74 130 13 96 M12 12 0 1 25 100 10 74 130 13 96 M14 14 0 1 5 170 17 125 210 21 155 Nominal diameter 1 Special parts are excluded 2 This standard is applicable to bolts having the following marks embossed on the bolt head Nominal diameter of bolt threads Unit mm Metric screw threads MGI044A Revision 2007 June GI 14 G37 Coupe RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS lt HOW TO USE THIS MANUAL gt RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS Recommended Chemical Products and Sealants Refer to the following chart for help in selecting the appropriate chemical product or sealant Product Description Rear View Mirror Adhe sive Purpose Used to permanently re mount rear view mirrors to windows Nissan North America Part No USA 999MP AMOOOP Nissan Canada Part No Canada 99998 50505 Gl INFOID 0000000001679179 Aftermarket Cross reference Part Nos Permatex 81844 Anaerobic Liquid Gas ket For metal to metal flange sealing Can fill a 0 38 mm 0 015 inch gap and provide in stant sealing for most pow ertrain applications 999 1 99998 50503 51813 51817 High Performance Thread Sealant Provides instant sealing on any threaded straight or parallel threaded fitting Thread sealant only no locking
6. NO Repair open circuit or short to ground or short to power in harness or connectors JPAIA0021GB 1 Test group number and test group title Test group number and test group title are shown in the upper portion of each test group 2 Work and diagnosis procedure Start to diagnose a problem using procedures indicated in enclosed test groups 3 Questions and results Questions and required results are indicated in test group 4 Action Next action for each test group is indicated based on result of each question Revision 2007 June GI 6 G37 Coupe HOW FOLLOW TROUBLE DIAGNOSES lt HOW TO USE THIS MANUAL gt Key to Symbols Signifying Measurements or Procedures INFOID 0000000001679173 SYMBOL DESCRIPTION Check after disconnecting the connector to be measured Gl SYMBOL DESCRIPTION Procedure with Generic Scan Tool GST OBD II scan tool Procedure without CONSULT II CONSULT III or GST Check after connecting the connector to be measured Insert key into ignition switch A C switch is OFF Remove key from ignition switch switch is ON i Insert and remove key repeatedly 52 Turn ignition switch to OFF position s Turn ignition switch to ACC position REC switch is ON REC switch is OFF bs 2 Fan switch is ON At any position except for OFF position 123 Turn ignition switch to ON
7. Terminal No Description l l l Inpul Condition Value Approx In case of high resistance such as single Signal strand V Output Body Switch ON oV Battery voltage Inoperative lamp 1 Lamp Output ground Switch OFF Battery voltage Battery voltage Body Switch ON oV Higher than 0 Approx 4 Example 2 Switch Input ground Switch OFF 5V Approx 5 The voltage value is based on the body ground e If high resistance exists in the switch side circuit caused by a single strand terminal 2 does not detect approx OV Control unit does not detect the switch is ON even if the switch does not turn ON Therefore the control unit does not control ground to light up the lamp Revision 2007 June GI 45 G37 Coupe CONSULT III GST CHECKING SYSTEM BASIC INSPECTION CONSULIT III GST CHECKING SYSTEM Description INFOID 0000000001679207 e When CONSULT III GST is connected with a data link connector A equipped on the vehicle side it will communicate with the con trol unit equipped in the vehicle and then enable various kinds of diagnostic tests 1 Instrument driver lower panel e Refer to CONSULT III Software Operation Manual for more infor mation CONSULT III Function and System Application 1 JPAIA0024ZZ INFOID 0000000001679208 Revision 2007 June GI 46 lt 5 AE oc Z0 lt 2
8. Do not operate the engine for an extended period of time without proper exhaust ventilation Keep the work area well ventilated and free of any inflammable materials Special care should be taken when handling any inflam mable or poisonous materials such as gasoline refrigerant gas etc When working in a pit or other enclosed area be sure to prop erly ventilate the area before working with hazardous materials Do not smoke while working on the vehicle 561285 Revision 2007 June GI 25 G37 Coupe PRECAUTIONS lt PRECAUTION gt Before jacking up the vehicle apply wheel chocks or other tire blocks to the wheels to prevent the vehicle from moving After jack ing up the vehicle support the vehicle weight with safety stands at the points designated for proper lifting before working on the vehi cle These operations should be done on a level surface When removing a heavy component such as the engine or tran saxle transmission be careful not to lose your balance and drop them Also do not allow them to strike adjacent parts especially the brake tubes and master cylinder SGI231 Before starting repairs which do not require battery power Turn off ignition switch Disconnect the negative battery terminal If the battery terminals are disconnected recorded memory of radio and each control unit is erased SEF289H To prevent serious burns Avoid contact with hot metal parts Do not remove the radiator cap
9. 0 to 9 or X The code for the check digit is determined by mathematical computation E 2WD Body type 4 2 door coupe Model change 0 to 9 Vehicle line V INFINITI G37 Engine type C VQ37VHR Manufacturer JNK Nissan Passenger vehicle IDENTIFICATION PLATE NISSAN MOTOR LTD JAPAN A R th A 75 COLOR TRIM CHASSIS NO 4 COLOR GUARNICION A A I ENGINE MOTOR AA 2 TRANS AXLE TAM TRANS A A PLANT I Ki PLANTA 2 11 JPAIA0004ZZ 1 2 Vehicle identification number Chassis number 3 Model variation code Revision 2007 June GI 21 G37 Coupe IDENTIFICATION INFORMATION lt FEATURES OF NEW MODEL gt 4 Body color code 5 Trim color code 6 Engine model 7 Engine displacement 8 Transmission model 9 Axle model ENGINE SERIAL NUMBER JPAIA0005ZZ AUTOMATIC TRANSMISSION NUMBER MANUAL TRANSMISSION NUMBER PAIA0068E Dimensions INFOID 0000000001679183 Unit mm in Overall length 4 650 183 1 Overall width 1 823 71 8 Overall height 1 393 54 8 1 1 395 54 9 2 Front tread 1 545 60 8 Rear tread 1 560 61 4 Wheelbase 2 850 112 2 1 18 in tire models 2 19 in tire models Revision 2007 June GI 22 G37 Coupe IDENTIFICATION INFORMATION lt FEATURES OF NEW MODEL gt Wheels amp Tires Conventional 18 X 8J Aluminum 43 1 69 Road wheel offset mm in Front 19 X 8 1 2J Aluminu
10. Barometric pressure BARO ES Barometric pressure sensor BCDD BAROS BCDD BCDD Camshaft position CMP KC Camshaft position sensor CMPS Crank angle sensor Canister SS Canister Carburetor CARB Carburetor Charge air cooler CAC Intercooler Closed loop CL Closed loop Closed throttle position switch CTP switch Idle switch Clutch pedal position switch CPP switch Clutch switch Continuous fuel injection system CFI system vn Continuous trap oxidizer system CTOX system E Crankshaft position CKP Crankshaft position sensor CKPS EES Data link connector DLC E Diagnostic test mode DTM Diagnostic mode Diagnostic test mode selector DTM selector Diagnostic mode selector Diagnostic test mode DTM Mode Diagnostic test mode II DTM Il Mode II Diagnostic trouble code DTC Malfunction code Direct fuel injection system DFI system PS Distributor ignition system DI system Ignition timing control Early fuel evaporation mixture heater EFE mixture heater Mixture heater Early fuel evaporation system EFE system Mixture heater control programmable read EEPROM See Electronic ignition system El system Ignition timing control Engine control EC SC Engine control module ECM ECCS control unit Engine coolant temperature ECT Engine temperature Engine coolant temperature sensor ECTS Engine temperature sensor Engine modification EM ES Engine speed RPM Engine speed Erasable programmable read only memory EPROM SS Evapo
11. position 3 Fan switch is amp Turn ignition switch to START position Apply fuse FFR Ap Turn ignition switch from OFF to ACC position Apply positive voltage from battery with fuse directly to components 5 ON Turn ignition switch from to ON position CN Turn ignition switch from ACC to OFF position SAIA1539E Revision 2007 June GI 7 G37 Coupe HOW FOLLOW TROUBLE DIAGNOSES lt HOW TO USE THIS MANUAL gt D 1 E 39 a Mu P H LI A y 4 HO OMS Revision 2007 June Do not start engine or check with engine stopped Start engine or check with engine running Apply parking brake Release parking brake Check after engine is warmed up sufficiently Votage should be measured with a voltmeter Circuit resistance should be measured with an ohmmeter Current should be measured with an ammeter Pulse signal should be checked with an oscilloscope Procedure with CONSULT III Procedure without CONSULT III Place selector lever in P position Place selector lever position Jack up front portion Jack up rear portion Inspect under engine room Inspect under floor Inspect rear under floor GI 8 DESCRIPTION Drive vehicle Disconnect battery negative cable Depress brake pedal Release brake pedal Depress accelerator pedal Release
12. SYSTEM 46 CONSULT II GST Data Link Connector DLC REI EE 46 ecu 47 CONSULT III Function and System Application 1 46 Wiring Diagram CONSULT III GST CHECKING SYTEM S ide tausend coa ioo et cuta te aeris 48 Revision 2007 June GI 2 G37 Coupe HOW USE THIS MANUAL lt HOW TO USE THIS MANUAL gt HOW TO USE THIS MANUAL HOW TO USE THIS MANUAL D esc ri pt INFOID 0000000001679165 This volume explains Removal Disassembly Installation Inspection and Adjustment and Trouble Diag noses Te m S INFOID 0000000001679166 e The captions WARNING and CAUTION warn you of steps that must be followed to prevent personal injury and or damage to some part of the vehicle WARNING indicates the possibility of personal injury if instructions are not followed CAUTION indicates the possibility of component damage if instructions are not followed BOLD TYPED STATEMENTS except WARNING and CAUTION give you helpful information Standard value Tolerance at inspection and adjustment Limit value The maximum or minimum limit value that should not be exceeded at inspection and adjust ment U n Its INFOID 0000000001679167 The UNITS given in this manual are primarily expressed as the SI UNIT International System of Unit and alternatively expressed in the metric system and in the yard pound system Also with regard to tightening torque of bolts and nuts there are descriptions both about range and about th
13. T Manual Transaxle Transmission OD Overdrive P S Power Steering SAE Society of Automotive Engineers Inc SDS Service Data and Specifications SST Special Service Tools 2WD 2 Wheel Drive 22 2nd range 2nd gear 21 2nd range 1st gear 12 1st range 2nd gear 11 1st range 1st gear Revision 2007 June GI 13 G37 Coupe TIGHTENING TORQUE OF STANDARD BOLTS lt HOW TO USE THIS MANUAL gt TIGHTENING TORQUE OF STANDARD BOLTS Tightening Torque Table INFOID 0000000001679178 Bolt diam C Tightening torque Without lubricant Grade Bolt size eter ES Hexagon head bolt Hexagon flange bolt TI N m kg m ft lb in lb kg m ft Ib in Ib M6 6 0 1 0 5 5 0 56 4 49 7 0 71 5 62 1 25 13 5 1 4 10 17 1 7 13 M8 8 0 1 0 13 5 1 4 10 17 1 7 13 1 5 28 2 9 21 35 3 6 26 4 M10 10 0 1 25 28 2 9 21 35 3 6 26 1 75 45 4 6 33 55 5 6 41 12 12 0 1 25 45 4 6 33 65 6 6 48 14 14 0 1 5 80 8 2 59 100 10 74 6 6 0 1 0 9 0 92 7 80 11 1 1 8 97 1 25 22 2 2 16 28 2 9 21 M8 8 0 1 0 22 2 2 16 28 2 9 21 1 5 45 4 6 33 55 5 6 41 7T M10 10 0 1 25 45 4 6 33 55 5 6 41 1 75 80 8 2 59 100 10 74 12 12 0 1 25 80 8 2 59 100 10 74 M14 14 0 1 5 130 13 96 170 17 125 M6 6 0 1 0 11 1 1 8 13 5 1 4 10 1 25 28 2 9 21 35 3 6 26 8 8 0 1 0 28 2 9 21 35 3 6 26 1 5 55 5 6 41 80 8 2 59
14. bolt 7 Piston seal 8 Piston 9 Piston boot 10 Oylinder body 11 Sliding pin 12 Torque member mounting bolt 13 Washer 14 Sliding pin boot 15 Bushing 16 Torque member 17 Inner shim cover 18 Inner shim 19 Inner pad 20 Pad retainer 21 Pad wear sensor 22 Outer pad 23 Outer shim 24 Outer shim cover 1 PBC Poly Butyl Cuprysil grease 2 Rubber grease or silicone based grease Refer to GI section for additional symbol definitions SYMBOLS DESCRIPTION Tightening torque Nem kg m ft lb Brake fluid DESCRIPTION Always replace after every disassembly The tightening torque specifications of bolts and nuts may be presented as either a range or a standard Wi Nem kg m in Ib tightening torque Apply petroleum jelly Should be lubricated with grease Unless otherwise indicated use recommended multi purpose grease jety Should be lubricated with oil Apply ATF Sealing point Select with proper thickness Sealing point with locking sealant Adjustment is required Checking point SAIA0749E Revision 2007 June GI 5 G37 Coupe HOW FOLLOW TROUBLE DIAGNOSES lt HOW TO USE THIS MANUAL gt HOW TO FOLLOW TROUBLE DIAGNOSES D es ri pt n INFOID 00000000016791 71 NOTICE Trouble diagnoses indicate work procedures required to diagnose problems effectively Observe the following instructions before diagnosing Before performing trouble d
15. incident The section is broken into the six following topics Vehicle vibration Heat sensitive Freezing Water intrusion Electrical load Cold or hot start up Get a thorough description of the incident from the customer It is important for simulating the conditions of the problem VEHICLE VIBRATION The problem may occur or become worse while driving on a rough road or when engine is vibrating idle with A C on In such a case you will want to check for a vibration related condition Refer to the following illustra tion Connector amp Harness Determine which connectors and wiring harness would affect the electrical system you are inspecting Gently shake each connector and harness while monitoring the system for the incident you are trying to duplicate This test may indicate a loose or poor electrical connection Hint Connectors can be exposed to moisture It is possible to get a thin film of corrosion on the connector termi nals A visual inspection may not reveal this without disconnecting the connector If the problem occurs inter mittently perhaps the problem is caused by corrosion It is a good idea to disconnect inspect and clean the terminals on related connectors in the system Sensor amp Relay Gently apply a slight vibration to sensors and relays in the system you are inspecting This test may indicate a loose or poorly mounted sensor or relay Vibration test Tap gently Bend gentl
16. may melt the bulb the connec tor the housing etc by high voltage leakage or corona discharge Never perform HID circuit inspection with a tester Never touch the xenon bulb glass with hands Never put oil and grease on it Dispose of the used xenon bulb after packing it in thick vinyl without breaking it Never wipe out dirt and contamination with organic solvent thinner gasoline etc Precaution Necessary for Steering Wheel Rotation after Battery Disconnect INFOID 0000000001 723248 NOTE Before removing and installing any control units first turn the push button ignition switch to the LOCK posi tion then disconnect both battery cables After finishing work confirm that all control unit connectors are connected properly then re connect both battery cables e Always use CONSULT III to perform self diagnosis as part of each function inspection after finishing work If a DTC is detected perform trouble diagnosis according to self diagnosis results Revision 2007 June GI 24 G37 Coupe PRECAUTIONS lt PRECAUTION gt This vehicle is equipped with a push button ignition switch and a steering lock unit If the battery is disconnected or discharged the steering wheel will lock and cannot be turned If turning the steering wheel is required with the battery disconnected or discharged follow the procedure below before starting the repair operation OPERATION PROCEDURE 1 Connect both battery cables NOTE Suppl
17. the contact surface of each terminal using a T DEEN ectional view Male CAUTION Dot not bend terminal pin Male terminal SEL267V How to Check Enlarged Contact Spring of Terminal An enlarged contact spring of a terminal may create intermittent signals in the circuit f the intermittent open circuit occurs follow the procedure below to inspect for open wires and enlarged con tact spring of female terminal 1 Assemble a male terminal and approx 10 cm 3 9 in of wire NOTE Use a male terminal which matches the female terminal 2 Disconnect the suspected faulty connector and hold it terminal side up Male terminal SEL270V 3 While holding the wire of the male terminal try to insert the male terminal into the female terminal CAUTION Do not force the male terminal into the female terminal with your hands Do not apply force against the terminal SEL271V Revision 2007 June GI 37 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt 4 While moving the connector check whether the male terminal can be easily inserted or not If the male terminal can be easily inserted into the female ter minal replace the female terminal SEL273V Waterproof Connector Inspection If water enters the connector it can short interior circuits This may lead to intermittent problems Check the following items to maintain the original wate
18. Check the wire in the illustration When measuring resistance with DMM contact by a single strand of wire will give reading of 0 ohms This would indicate a good circuit When the circuit operates this single strand of wire is not able to carry the current The single strand will have a high resistance to the current This will be picked up as a slight voltage drop Unwanted resistance can be caused by many situations as follows Undersized wiring single strand example Corrosion on switch contacts Loose wire connections or splices If repairs are needed always use wire that is of the same or larger gauge Measuring Voltage Drop Accumulated Method Connect the DMM across the connector or part of the circuit you want to check The positive lead of the DMM should be closer to power and the negative lead closer to ground Operate the circuit The DMM will indicate how many volts are being used to push current through that part of the circuit Revision 2007 June GI 43 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt Note in the illustration that there is an excessive 4 1 volt drop between the battery and the bulb Symptom Dim bulb or no operation 0 zero ohm resistance between switch and bulb Connection with high resistance Ground Battery SGI974 Measuring Voltage Drop Steb by Step The step by step method is most useful for isolating excessive drops in low voltage sys
19. GENERAL INFORMATION SECTION G GENERAL INFORMATION CONTENTS HOW USE THIS MANUAL 3 PRECAUTION 24 HOW TO USE THIS MANUAL 3 JPREGAUTIONS 22 2 2 24 DESCUIDO e tee NR rm 3 0656 EE EET UT II 24 ope Hec momen 3 Precaution for Supplemental Restraint System 3 SRS AIR BAG and SEAT BELT PRE TEN 3 OAN 24 Relation between Illustrations and Descriptions 4 Precautions For Xenon Headlamp Service 24 Tm 4 Precaution Necessary for Steering Wheel Rota tion after Battery Disconnect 24 HOW TO FOLLOW TROUBLE DIAGNOSES 6 Precaution for Battery Service 25 Description Fam Siw ete 6 Precaution for Procedure without Cowl Top 25 How to Follow Test Groups in Trouble Diagnosis 6 ee 25 Key to Symbols Signifying Measurements or Three Way Catalyst 27 BS Suo ue cu 7 Multiport Fuel Injection System or Engine Control HOW TO READ WIRING DIAGRAMS ORAE 9 SC DTN eee eee eee eee eee eee eee eee eee eee eee eee eee eee Connector Symbols tor t
20. LINN TOH LNOO LUNN 91919313 ANY HOLVNLOV SEV 40309uu025 819 7 8 6 fou 402912995 jeusis 0830195 adh 4 FINGOW 7094409 1 5115 1 NOL ESE HN M480HL INOOH 3NION3 FINGOW 512 H3MOd LNADITIALNI H 3 A Lt 94IM JO ON 4009 uoneoyioedg eusis A9q 5J0IMH _ 44 10399uu02 AI8W3SSV L V AL 9 NS t JO ON uoneoyioeds eusis jeune ed A LINN TOULNOO LVAS EECHER 3 lt 9390 4 edA 40399uu02 LINN GALVYDALNI YOSNAS 991 103994409 mas SIM ON 405 euw uonesyioeds jeusig e Eee reete Lee be pe KC ov re o lecprepepsepeceeleepro NA 8 1219 3 v 21 VI A Md9EV ed LINN TOHLNOO SVMp 40399uu02 WALSAS 59NDIO3HO III LInSNOO JCAWA0031 GE G37 Coupe GI 49 2007 June ision Rev CONSULT III GST CHECKING SYSTEM BASIC INSPECTION 9GL MAOCHL _ 994 LINN IOH LNOO 11389 193 HsSVHO 3Hd pT HN MAZEHL _ 1 Q3IJIND
21. LOV 59 NIYIN LL 8 D gosg A IO IMC Q gt CDG LINN Q3 1VHO31NI 495 ddAldd UND HOSN3S 201 JOHINOO 1139 1v38 3dIS HSVHO dud Iwas LNOWS 1295 useio eJd UIM od IAVN Wout SM WIM SV IAVN 901 OU Uu Say T z 10d SISOUBEIP 40 NYO ui UMOYS JOU 1 4019euuoo 101 D D A18N3SSV mE GD ON ANY LINN 14 1 SAV NOISSIINSNVH L WOL 9 2 0 L E lt 2 JOYLNOO Gei YOLOANNOOD ANI VIVO 1990 28 ED LINN HOSN3S TOULNOO AY TOULNOO AN SISONDVIG Ova Gm re EN a r ES VOL PA 39018 9504 LYVLS 10 NO HOLIMS NOILIND WALSAS DNIMOSHO G37 Coupe 81 90 2006 GI 48 JOYLNOOD AdOS Revision 2007 June CONSULT III GST CHECKING SYSTEM lt BASIC INSPECTION gt EH 5 v 94M JO ON feui euss zW MdeosN 294 8 P WOOT 5 D ___ v 94M ON euss HT vZHY 8JcV vv adh 403594409
22. Sample wiring diagram example INFOID G000000001679175 e For detail refer to following Gl 11 Description EXAMPL Om 4WD models 5 2WD models REAR TO OPTIONAL SPLICE To headlamp DATA LINE DATA LINE I CAN system Qua 10 9 Connector No Iw NSOGFW M2 NS10FW CS Terminal Terminal Color i TP of Wire Signal Name Specification wj __ J op B Los LI own L6 PAN To headlamp JCAWAO0005GE Revision 2007 June GI 10 G37 Coupe Number 1 HOW READ WIRING DIAGRAMS lt HOW TO USE THIS MANUAL gt Description Item Power supply INFOID 0000000001679176 Description This means the power supply of fusible link or fuse 2 Fusible link X means the fusible link 3 S ot fusible ink This means the number of fusible link or fuse location 4 Fuse P means the fuse 5 Current rating orius This means the current rating of the fusible link or fuse ible link fuse 6 Optional splice e The open circle shows that the splice is optional depending on vehicle application e The letter shows which harness the connector is located in 7 Connector number Example M main harness For detail and to locate the connector refer to PG 74 How To Read Harness Layout PG 76 Main Harness 8 Splice The shaded circle means the spli
23. ability Do not use on plastic 999MP AMO02P 999MP AMO02P Permatex 56521 4 Silicone RTV Gasket Maker 999 Ultra Grey 99998 50506 Ultra Grey Permatex Ultra Grey 82194 Three Bond 1207 1215 1216 1217F 1217G and 1217H Nissan RTV Part No 999MP A7007 Gasket Maker for Maxima Quest 5 speed automatic transmission RE5F22A Three Bond 1281B or exact equivalentin its quality High Temperature 5 High Strength Thread Locking Sealant Red Threadlocker 999 04 999 04 Permatex 27200 Three Bond 1360 1360N 1305 N amp P 1307 1335 1335B 1363B 1377C 1386B D amp E and 1388 Loctite 648 Medium Strength 6 Thread Locking Seal ant Blue Revision 2007 June Threadlocker service tool removable 999MP AMO05P GI 15 999MP AMO05P Permatex 24200 24206 24240 24283 and 09178 Three Bond 1322 1322 1324 D amp N 13330 1361C 13640 1370 1374 G37 Coupe lt HOW TO USE THIS MANUAL gt TERMINOLOGY SAE J1930 Terminology List TERMINOLOGY INFOID 0000000001679180 All emission related terms used in this publication in accordance with SAE J1930 are listed Accordingly new terms new acronyms abbreviations and old terms are listed in the following chart NEW TERM Air cleaner ACL Air cleaner
24. accelerator pedal Pin terminal check for SMJ type ECM or TCM connectors For details regarding the terminal arrangement refer to the ELECTRICAL UNITS electrical reference page at the end of the manual SAIA1540 E G37 Coupe HOW TO READ WIRING DIAGRAMS lt HOW TO USE THIS MANUAL gt HOW TO READ WIRING DIAGRAMS Connector symbols INFOID 0000000001679174 Most of connector symbols in wiring diagrams are shown from the terminal side e Connector symbols shown from the terminal side are enclosed by Example a single line and followed by the direction mark View from terminal side Connector symbols shown from the harness side are enclosed by a double line and followed by the direction mark tH Certain systems and components especially those related to OBD may use a new style slide locking type harness connector Single line For description and how to disconnect refer to PG section Direction mark Description HARNESS CONNECTOR Connector symbol View from harness side Connector symbol Double line Direction mark Connector SAIA0257E Male and female terminals Connector guides for male terminals are shown in black and female terminals in white in wiring diagrams em Male terminal eg el P d Connector Example Connector symbol Female terminal Connector mbol Connector sy Geer Revision 2007 June GI 9 G37 Coupe HOW TO READ WIRING DIAGRAMS lt HOW TO USE THIS MANUAL gt
25. are very sensitive to proper grounding A loose or corroded ground can drastically affect an electronically controlled circuit A poor or corroded ground can easily affect the circuit Even when the ground connection looks clean there can be a thin film of rust on the surface Revision 2007 June GI 42 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt When inspecting a ground connection follow these rules Remove the ground bolt or screw Inspect all mating surfaces for tarnish dirt rust etc Clean as required to assure good contact Reinstall bolt or screw securely Inspect for add on accessories which may be interfering with the ground circuit If several wires are crimped into one ground eyelet terminal check for proper crimps Make sure all of the wires are clean securely fastened and providing a good ground path If multiple wires are cased in one eye let make sure no ground wires have excess wire insulation For detailed ground distribution information refer to Ground Distribution in PG section Ground Inspection Remove bolt screw Inspect mating surfaces Reinstall bolt screw for tarnish dirt rust etc securely Clean as required to assure good contact 561853 VOLTAGE DROP TESTS Voltage drop tests are often used to find components or circuits which have excessive resistance A voltage drop in a circuit is caused by a resistance when the circuit is in operation
26. as possible HEALTH PROTECTION PRECAUTIONS Avoid prolonged and repeated contact with oils particularly used engine oils Wear protective clothing including impervious gloves where practicable Do not put oily rags in pockets Avoid contaminating clothes particularly underpants with oil Heavily soiled clothing and oil impregnated footwear should not be worn Overalls must be cleaned regu larly First aid treatment should be obtained immediately for open cuts and wounds Use barrier creams applying them before each work period to help the removal of oil from the skin Wash with soap and water to ensure all oil is removed skin cleansers and nail brushes will help Prepara tions containing lanolin replace the natural skin oils which have been removed Do not use gasoline kerosene diesel fuel gas oil thinners or solvents for cleaning skin If skin disorders develop obtain medical advice without delay Where practical degrease components prior to handling Where there is a risk of eye contact eye protection should be worn for example chemical goggles or face shields in addition an eye wash facility should be provided ENVIRONMENTAL PROTECTION PRECAUTIONS Revision 2007 June GI 28 G37 Coupe PRECAUTIONS lt PRECAUTION gt Dispose of used oil and used oil filters through authorized waste disposal contractors to licensed waste dis posal sites or to the waste oil reclamation trade If in doubt contact the local autho
27. ce 9 Page crossing This circuit continues to an adjacent 10 Option abbreviation e This means the vehicle specifications which layouts the circuit between 11 Relay This shows an internal representation of the relay 12 Option description This shows a description of the option abbreviation used on the page 13 Switch This shows that continuity exists between terminals 1 and 2 when the switch is in the A position Continuity exists between terminals 1 and 3 when the switch is in the B position 14 Circuit Wiring This means the wiring 15 System branch This shows that the circuit is branched to other systems 16 Shielded line The line enclosed by broken line circle shows shield wire 17 Component name This shows the name of a component 18 Ground GND This shows the ground connection 19 This means the connector information This unit side is described by the connector symbols 20 Connectors This means that a transmission line bypasses two connectors or more This shows a code for the color of the wire B Black BR Brown W White R Red P Pink 7 PU or V Violet Purple G Green GY GR Gray 21 Wire color L Blue SB Sky Blue Y Yellow LG Light Green CH Dark Brown Dark Green When the wire color is striped the base color is given first followed by the stripe color as shown below Example L W Blue w
28. ch PNP switch Inhibitor switch Neutral position switch Periodic trap oxidizer system PTOX system SC Positive crankcase ventilation PCV Positive crankcase ventilation Positive crankcase ventilation valve PCV valve PCV valve Powertrain control module PCM Programmable read only memory PROM Vida Pulsed secondary air injection control sole noid valve PAIRC solenoid valve AIV control solenoid valve Pulsed secondary air injection system PAIR system Air induction valve AIV control Pulsed secondary air injection valve PAIR valve Air induction valve Random access memory RAM Kg Read only memory ROM Scan tool ST SCH Secondary air injection pump AIR pump SS Secondary air injection system AIR system Sequential multiport fuel injection system SFI system Sequential fuel injection Service reminder indicator SRI ES EECH multiport fuel injection sys ron Simultaneous fuel injection Smoke puff limiter system SPL system Ge Supercharger SC SH Supercharger bypass SCB E System readiness test SRT a Thermal vacuum valve TVV Thermal vacuum valve Three way catalyst TWC Catalyst Three way catalytic converter system TWC system ids Three way oxidation catalyst TWC OC Catalyst Three way oxidation catalytic converter system TWC OC system kkk Throttle chamber Throttle body TB SPI body Throttle body fuel injection system TBI system Fuel injection co
29. ck vehicle Do not spin your tires at high speed This could cause them to explode and result in serious injury Parts of your vehicle could also overheat and be damaged CAUTION Tow chains or cables must be attached only to the vehicle recovery hooks or main structural members of the vehicle Otherwise the vehicle body will be damaged Do not use the vehicle tie downs to free a vehicle stuck in sand snow mud etc Never tow the vehi cle using the vehicle tie downs or recovery hooks Always pull the cable straight out from the front of the vehicle Never pull on the hook at an angle Pulling devices should be routed so they do not touch any part of the suspension steering brake or cooling systems Pulling devices such as ropes or canvas straps are not recommended for use in vehicle towing or recovery REAR WARNING Rear hook is not available AUTOMATIC TRANSMISSION JMAIA0049ZZ To tow a vehicle equipped with an automatic transmission an appropriate vehicle dolly MUST be placed under the towed vehicle s drive wheels Always follow the dolly manufacture s recommendations when using their product If the vehicle is stuck in sand snow mud etc use the following procedure 1 Turn off the Vehicle Dynamic Control System 2 Make sure the area in front and behind the vehicle is clear of obstructions 3 Turn the steering wheel right and left to clear an area around the front tires 4 Slowly rock the vehicle
30. e standard tightening torque Example Range Outer Socket Lock Nut 59 78 N m 6 0 8 0 kg m 43 58 ft Ib Standard Drive Shaft Installation Bolt 44 3 N m 4 5 kg m 33 ft Ib G O n te n 15 INFOID 0000000001679168 ALPHABETICAL INDEX is provided at the end of this manual so that you can rapidly find the item and page you are searching for A QUICK REFERENCE INDEX a black tab e g is provided on the first page You can quickly find the first page of each section by matching it to the section s black tab THE CONTENTS are listed on the first page of each section THE TITLE is indicated on the upper portion of each page and shows the part or system THE PAGE NUMBER of each section consists of two or three letters which designate the particular section and a number e g 5 THE SMALL ILLUSTRATIONS show the important steps such as inspection use of special tools knacks of work and hidden or tricky steps which are not shown in the previous large illustrations Assembly inspection and adjustment procedures for the complicated units such as the automatic transaxle or transmission etc are presented in a step by step format where necessary Revision 2007 June GI 3 G37 Coupe HOW USE THIS MANUAL lt HOW TO USE THIS MANUAL gt Relation between Illustrations and Descriptions INFOID G000000001679169 The following sample explains the relationship between the part description in an il
31. ear wheels off the ground or that a dolly be used as illustrated CAUTION Never tow automatic transmission models with the rear wheels on the ground or four wheels on the ground forward or backward as this may cause serious and expensive damage to the transmis sion If it is necessary to tow the vehicle with the front wheels raised always use towing dollies under the rear wheels When towing rear wheel drive models with the front wheels on the ground or on towing dollies Turn the ignition key to the OFF position and secure the steering wheel in a straight ahead position with a rope or similar device Never secure the steering wheel by turning the ignition key to the LOCK position This may damage the steering lock mechanism Move the selector lever to the N Neutral position When the battery of vehicle equipped with the Intelligent Key system is discharged your vehicle should be towed with the front wheels on towing dollies or place the vehicle on a flat bed truck If the speed or distance must necessarily be greater remove the propeller shaft before towing to prevent dam age to the transmission Vehicle Recovery Freeing a Stuck Vehicle INFOID 0000000001679201 FRONT Revision 2007 June GI 32 G37 Coupe TOW TRUCK TOWING lt PRECAUTION gt Securely install the vehicle recovery hook stored with jacking tools Make sure that the hook is properly secured in the stored place after use WARNING Stand clear of a stu
32. ecting pressurized fuel line from fuel pump to injec tors be sure to release fuel pressure Be careful not to jar components such as ECM and mass air flow sensor SGI787 H O S e S INFOID 0000000001679193 HOSE REMOVAL AND INSTALLATION To prevent damage to rubber hose do not pry off rubber hose with Do not scratch tube tapered tool or screwdriver SMA019D Revision 2007 June GI 27 G37 Coupe PRECAUTIONS lt PRECAUTION gt HOSE CLAMPING To reinstall the rubber hose securely make sure that hose insertion length and orientation is correct If tube is equipped with hose stopper insert rubber hose into tube until it butts up against hose stopper Insert hose to here Hose stopper SMAO020D If old rubber hose is re used install hose clamp in its original posi tion at the indentation where the old clamp was If there is a trace Trace of clamp of tube bulging left on the old rubber hose align rubber hose at that position Discard old clamps replace with new ones SMA021D After installing plate clamps apply force to them in the direction of the arrow tightening rubber hose equally all around Push for better fitting Plate clamp SMA022D E n n e Oi 5 INFOID 0000000001679194 Prolonged and repeated contact with used engine oil may cause skin cancer Try to avoid direct skin contact with used oil If skin contact is made wash thoroughly with soap or hand cleaner as soon
33. forward and backward Shift back and forth between reverse and D drive Apply the accelerator as little as possible to maintain the rocking motion Release the accelerator pedal before shifting between and D Do not spin the tires above 35 mph 55 km h 5 If the vehicle can not be freed after a few tries contact a professional towing service to remove the vehi cle Revision 2007 June GI 33 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt BASIC INSPECTION SERVICE INFORMATION FOR ELECTRICAL INCIDENT Wo rk FI OW INFOID 0000000001679202 WORK FLOW STEP STEP 1 SGI838 DESCRIPTION Get detailed information about the conditions and the environment when the incident occurred The following are key pieces of information required to make a good analysis WHAT Vehicle Model Engine Transmission Transaxle and the System i e Radio WHEN Date Time of Day Weather Conditions Frequency WHERE Road Conditions Altitude and Traffic Situation System Symptoms Operating Conditions Other Components Interaction Service History and if any After Market Accessories have been installed STEP 2 Operate the system road test if necessary Verify the parameter of the incident If the problem cannot be duplicated refer to Incident Simulation Tests STEP 3 Get the proper diagnosis materials together including Power Supply Routing S
34. ful not to let oil to get on the control unit connector Avoid cleaning the control unit with volatile oil Do not disassemble the control unit and do not remove the upper and lower covers When using a DMM be careful not to let test probes get close to each other to prevent the power transistor in the control unit from damaging battery voltage because of short circuiting When checking input and output signals of the control unit use the specified check adapter Solenoid valve Circuit tester SEF348N H OW to G h rm n al INFOID 0000000001679204 CONNECTOR AND TERMINAL PIN KIT Use the connector and terminal pin kits listed below when replacing connectors or terminals The connector and terminal pin kits contain some of the most commonly used NISSAN INFINITI connectors and terminals For detailed connector and terminal pin replacement procedures refer to the latest NISSAN INFINITI CONNECTOR AND TERMINAL PIN SERVICE MANUAL Revision 2007 June GI 35 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt Tool number Kent Moore No Description Tool name J38751 95NI Connector and terminal pin kit NISSAN J38751 95NI J38751 95INF J42992 98KIT J42992 2000UPD J38751 95INF Connector and terminal pin kit INFINITI J42992 98KIT OBD and terminal repair kit J42992 2000UPD OBD II Connector Kit Up date HOW TO PROBE CONNECTORS Connector damage and an inter
35. iagnoses read the Work Flow in each section After repairs re check that the problem has been completely eliminated Refer to Component Parts and Harness Connector Location for the Systems described in each section for identification location of components and harness connectors When checking circuit continuity ignition switch should be OFF Refer to the Circuit Diagram for quick pinpoint check If you need to check circuit continuity between harness connectors in more detail such as when a sub har ness is used refer to Wiring Diagram in each individual section and Harness Layout in PG section for identi fication of harness connectors Before checking voltage at connectors check battery voltage After accomplishing the Diagnosis Procedures and Electrical Components Inspection make sure that all harness connectors are reconnected as they were How to Follow Test Groups in Trouble Diagnosis INFOID 0000000001679172 2 Work and Diagnosis procedure 1 Test Group Number and Test Group Title D eege geg gege ee eege ege gege e geg cvs ewen ENKEN Turn ignition switch OFF Disconnect ECM harness connector Check the continuity between ECT sensor harness connector and ECM harness connector WN ECT sensor Continuity Existed rr 4 Also check harness for short to ground and short to power Is the inspection result normal YES gt gt GO TO 5 Connector Number
36. id valve Idle speed control Fl pot ISC FI pot Fl pot Idle speed control system ISC system didi Ignition control IC ay Ignition control module ICM Indirect fuel injection system IFI system Intake air IA Air Intake air temperature sensor IAT sensor Air temperature sensor Knock Ai Detonation Knock sensor KS Detonation sensor Malfunction indicator lamp MIL Check engine light Manifold absolute pressure MAP SE Manifold absolute pressure sensor MAPS me Manifold differential pressure MDP did Manifold differential pressure sensor MDPS SH Manifold surface temperature MST Manifold surface temperature sensor MSTS ST Manifold vacuum zone MVZ Geh Manifold vacuum zone sensor MVZS pen Mass air flow sensor MAFS Air flow meter Mixture control solenoid valve MC solenoid valve Air fuel ratio control solenoid valve Multiport fuel injection system Revision 2007 June MFI system Gl 17 Fuel injection control G37 Coupe lt HOW USE THIS MANUAL gt TERMINOLOGY NEW TERM OLD TERM Nonvolatile random access memory NVRAM EES On board diagnostic system OBD system Self diagnosis Open loop OL Open loop Oxidation catalyst OC Catalyst Oxidation catalytic converter system OC system MNT Oxygen sensor 025 Exhaust gas sensor Park position switch SEN Park switch Park neutral switch Park neutral position swit
37. is further down the circuit than the relay no voltage open is between SW1 and relay point B Close the relay and probe at the solenoid voltage open is further down the circuit than the solenoid no voltage open is between relay and solenoid point C Any powered circuit can be diagnosed using the approach in the previous example TESTING FOR SHORTS IN THE CIRCUIT To simplify the discussion of shorts in the system please refer to the following schematic Inspection for shorts SOLENOID SGI847 A Resistance Check Method Disconnect the battery negative cable and remove the blown fuse Disconnect all loads SW1 open relay disconnected and solenoid disconnected powered through the fuse Connect one probe of the DMM to the load side of the fuse terminal Connect the other probe to a known good ground With SW1 open check for continuity continuity short is between fuse terminal and SW1 point no continuity short is further down the circuit than SW1 Close SW1 and disconnect the relay Put probes at the load side of fuse terminal and a known good ground Then check for continuity continuity short is between SW1 and the relay point B no continuity short is further down the circuit than the relay Close SW1 and jump the relay contacts with jumper wire Put probes at the load side of fuse terminal and a known good ground Then check for continuity continuity short is between relay and solenoid p
38. ith White Stripe 22 Terminal number This means the terminal number of a connector SWITCH POSITIONS Switches are shown in wiring diagrams as if the vehicle is in the normal condition A vehicle is in the normal condition when Revision 2007 June GI 11 G37 Coupe HOW READ WIRING DIAGRAMS lt HOW TO USE THIS MANUAL gt ignition switch is OFF doors hood and trunk lid back door are closed Normally open pedals are not depressed and parking brake is released Normally closed SGI860 MULTIPLE SWITCH The continuity of multiple switch is described in two ways as shown below The switch chart is used in schematic diagrams The switch diagram is used in wiring diagrams Example SWITCH CHART SWITCH DIAGRAM WIPER SWITCH wass o WIPER WASH OFF SWITCH Both switches are turned in combination Continuity circuit of wiper switch Revision 2007 June GI 12 G37 Coupe ABBREVIATIONS lt HOW TO USE THIS MANUAL gt ABBREVIATIONS Abbreviation List The following ABBREVIATIONS are used INFOID 0000000001679177 am ABBREVIATION DESCRIPTION A C Air Conditioner A T Automatic Transaxle Transmission ATF Automatic Transmission Fluid D1 Drive range 1st gear 02 Drive range 2nd gear D3 Drive range 3rd gear D4 Drive range 4th gear FR RR Front Rear LH RH Left Hand Right Hand M
39. k Connector DLC Circuit INFOID 0000000001679209 INSPECTION PROCEDURE If the CONSULT III GST cannot diagnose the system properly check the following items Symptom Check item CONSULT III GST cannot ac CONSULT III GST DLC power supply circuit Terminal 8 and 16 and ground circuit Terminal 4 and cess any system 5 Power supply and ground circuit for the control unit of the system For detailed circuit refer to wiring CONSULT III cannot access in diagram for each system dividual system Other sys Open or short circuit between the system and CONSULT III DLC For detailed circuit refer to wiring tems can be accessed diagram for each system Open or short circuit CAN communication line Refer to LAN 16 Trouble Diagnosis Flow Chart NOTE The DDL1 and DDL2 circuits from DLC pins 12 13 14 and 15 may be connected to more than one system A short in DDL circuit connected to a control unit in one system may affect CONSULT III access to other sys tems If the GST cannot operate properly check the circuit based on the information of SAE J1962 and ISO 15031 3 Revision 2007 June GI 47 G37 Coupe INFOID 0000000001679210 CONSULT III GST CHECKING SYSTEM CONSULT III GST CHECKING SYSTEM lagram Click here to view the eWD D iring lt BASIC INSPECTION gt 3NION3 JINON H3MOd LN39ITIS INI u 3 LINN TOH LNOO LINN lt sv gt sa 91919373 ANY LINN TOHLNOO YOLVN
40. lustration the part name in the text and the service procedures Example 1 gt 1 Remove return spring 1 from parking pawl 2 2 d P The identifier number of the part name in the text is consistent with the identifier part number in the illustration SCIA6180J Direction mark lt Example 2 gt p Vehicle front Tighten rear member mounting bolts following the numerical order shown in the illustration Note View upward The numbers in the illustration are consistent KBIA3557J with the service operation instructions SAIA0519E Components INFOID 0000000001679170 THE LARGE ILLUSTRATIONS are exploded views see the following and contain tightening torques lubri cation points section number of the PARTS CATALOG e g SEC 440 and other information necessary to perform repairs The illustrations should be used in reference to service matters only When ordering parts refer to the appro priate PARTS CATALOG Components shown in an illustration may be identified by a circled number When this style of illustration is used the text description of the components will follow the illustration Revision 2007 June GI 4 G37 Coupe HOW USE THIS MANUAL lt HOW TO USE THIS MANUAL gt SEC 440 6 0 26 5 2 7 20 5 18 2 1 9 13 e Erf 3 9 153 5 16 113 SFIA2959E 1 Union bolt 2 Copper washer 3 Brake hose 4 Cap 5 Bleed valve 6 Sliding pin
41. m 43 1 69 Rear 19 X 9J Aluminum 45 1 77 INFOID 0000000001679184 rm Spare 17 x AT Aluminum 30 1 18 18 x 4T Aluminum O 0 P225 50R18 94V Tire size Front 225 45R19 92W Rear 245 40R19 94W Revision 2007 June GI 23 T145 80D17 107M 1145 70818 107M G37 Coupe PRECAUTIONS lt PRECAUTION gt PRECAUTION PRECAUTIONS D 5 r ot INFOID 0000000001679185 Observe the following precautions to ensure safe and proper servicing These precautions are not described in each individual section Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT PRE TENSION ER INFOID 0000000001 723246 The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE TENSIONER used along with a front seat belt helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment and may only deploy one front air bag depending on the severity of a collision and whether the front occupants are belted or unbelted Information necessary to service the system safely is included in the SRS AIRBAG and SEAT BELT of this Service Manual WARNING To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collisi
42. mittent connection can result from improperly probing of the connector dur ing circuit checks The probe of a digital multimeter DMM may not correctly fit the connector cavity To correctly probe the connector follow the procedures below using a T pin For the best contact grasp the T pin using an alliga tor clip EES Les WAIA0004E WAIAO005E Probing from Harness Side Standard type not waterproof type connector should be probed from harness side with T pin If the connector has a rear cover such as a ECM connector remove the rear cover before probing the terminal Do not probe waterproof connector from harness side Damage 10 the seal between wire and connector may result Alligator clip DMM 501841 Probing from Terminal Side FEMALE TERMINAL There is a small notch above each female terminal Probe each terminal with the T pin through the notch Do not insert any object other than the same type male terminal into female terminal Sectional view Female SEL265V Revision 2007 June GI 36 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt Some connectors do not have a notch above each terminal probe each terminal remove the connector retainer to make con tact space for probing SEL266V MALE TERMINAL Carefully probe
43. mp Open Short No problem Inoperative lamp Open Inoperative lamp High resistance Single strand See below MGI034A Revision 2007 June GI 44 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt INPUT OUTPUT VOLTAGE CHART Terminal No Description l l l npu Condition Value Approx In case of high resistance such as single Signal strand V Output Body Switch ON Battery voltage Lower than battery voltage Approx 8 Ex 1 Switch Input ample ground Switch OFF OV Approx 0 Body Switch ON Battery voltage Approx 0 Inoperative lamp 2 Lamp Output ground Switch OFF OV Approx 0 The voltage value is based on the body ground e f high resistance exists in the switch side circuit caused by a single strand terminal 1 does not detect battery voltage Control unit does not detect the switch is ON even if the switch does not turn ON Therefore the control unit does not supply power to light up the lamp CASE 2 TERMINAL 2 TERMINAL 1 Monitoring Ground control of the switch Switch to light up the lamp operation ON OFF Battery 2 Control Short Lamp stays ON Short FUSE blows Short Lamp stays ON unit Same as ie EE ON Open Inoperative lamp Open Inoperative lamp Open lamp Shori Noproblem Open lamp High resistance See below Single strand MGI035A INPUT OUTPUT VOLTAGE CHART
44. ntinuity If there were an open in the circuit the DMM would indicate an over limit or infinite resistance condition point A Connect the probes between SW1 and the relay Little or no resistance will indicate that portion of the circuit has good continuity If there were an open in the circuit the DMM would indicate an over limit or infinite resis tance condition point B Connect the probes between the relay and the solenoid Little or no resistance will indicate that portion of the circuit has good continuity If there were an open in the circuit the DMM would indicate an over limit or infi nite resistance condition point C Any circuit can be diagnosed using the approach in the previous example Voltage Check Method To help in understanding the diagnosis of open circuits please refer to the previous schematic In any powered circuit an open can be found by methodically checking the system for the presence of voltage This is done by switching the DMM to the voltage function Connect one probe of the DMM to a known good ground Begin probing at one end of the circuit and work your way to the other end With SW1 open probe at SW1 to check for voltage voltage open is further down the circuit than SW1 Revision 2007 June GA G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt no voltage open is between fuse block and SW1 point A Close SW1 and probe at relay voltage open
45. ntrol Throttle position TP Throttle position Throttle position sensor TPS Throttle sensor Throttle position switch TP switch Throttle switch Torque converter clutch solenoid valve Revision 2007 June TCC solenoid valve GI 18 Lock up cancel solenoid Lock up solenoid G37 Coupe TERMINOLOGY lt HOW TO USE THIS MANUAL gt NEW TERM D OLD TERM Transmission control module TCM A T control unit Turbocharger TC Turbocharger Vehicle speed sensor VSS Vehicle speed sensor Volume air flow sensor VAFS Air flow meter Warm up oxidation catalyst WU OC Catalyst o up oxidation catalytic converter sys WU OC system ix Warm up three way catalyst WU TWC Catalyst WH up three way catalytic converter sys WU TWC system m Wide open throttle position switch WOTP switch Full switch Not applicable Revision 2007 June GI 19 G37 Coupe IDENTIFICATION INFORMATION lt FEATURES OF NEW MODEL gt FEATURES OF NEW MODEL IDENTIFICATION INFORMATION Model Variation INFOID 0000000001679181 Destination Body Transmission Engine Axle Grade Model Standard GLSALQN EUA SE GLSALEN EUA RE5RO05A 5AT Journey Premium Package GLSALHN EUA GLSALFN EUA 4WAS GLSULFN EUA Sport USA 2WD GLSALFY EUA FS6R31A 6MT 4WAS GLSULFY EUA 2WD GLSALVN EUA RE5RO05A 5AT 4WAS GLSULVN EUA Sport P
46. oint C no continuity check solenoid retrace steps Voltage Check Method e Remove the blown fuse and disconnect all loads i e SW1 open relay disconnected and solenoid discon nected powered through the fuse Turn the ignition key to the ON or START position Verify battery voltage at the battery side of the fuse ter minal one lead on the battery terminal side of the fuse block and one lead on a known good ground With SW1 open and the DMM leads across both fuse terminals check for voltage voltage short is between fuse block and SW1 point A no voltage short is further down the circuit than SW1 With SW1 closed relay and solenoid disconnected and the DMM leads across both fuse terminals check for voltage voltage short is between SW1 and the relay point B no voltage short is further down the circuit than the relay With SW1 closed relay contacts jumped with fused jumper wire check for voltage voltage short is down the circuit of the relay or between the relay and the disconnected solenoid point C no voltage retrace steps and check power to fuse block GROUND INSPECTION Ground connections are very important to the proper operation of electrical and electronic circuits Ground connections are often exposed to moisture dirt and other corrosive elements The corrosion rust can become an unwanted resistance This unwanted resistance can change the way a circuit works Electronically controlled circuits
47. on which would result in air bag inflation all maintenance must be performed by an authorized NISSAN INFINITI dealer Improper maintenance including incorrect removal and installation of the SRS can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS AIRBAG Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS wiring harnesses can be identified by yellow and or orange harnesses or har ness connectors Precautions For Xenon Headlamp Service INFOID G000000001723247 WARNING Comply with the following warnings to prevent any serious accident Disconnect the battery cable negative terminal or the power supply fuse before installing remov ing or touching the xenon headlamp bulb included The xenon headlamp contains high voltage generated parts Never work with wet hands Check the xenon headlamp ON OFF status after assembling it to the vehicle Never turn the xenon headlamp ON in other conditions Connect the power supply to the vehicle side connector Turning it ON outside the lamp case may cause fire or visual impairments Never touch the bulb glass immediately after turning it OFF It is extremely hot CAUTION Comply with the following cautions to prevent any error and malfunction Install the xenon bulb securely Insufficient bulb socket installation
48. ota ka uite rna iere edes 9 Engine Oils og Sample wiring diagram example 10 Ree e terete 11 SEENEN ES KEE Ee 29 ABBREVIATIONS See 13 Unleaded Premium Gasoline Recon ADDIE e NEE 13 29 TIGHTENING TORQUE OF STANDARD LIFTING POINT 30 BOLTS 14 E O EE E S 30 Tightening Torque Table EE 14 Stand and 2 Pole Lift 30 RECOMMENDED CHEMICAL PRODUCTS Giele eg SEET EN AND SEALANTS 15 TOW TRUCK TOWING 32 Recommended Chemical Products and Sealants 15 TOW Truck TOWING ict cone esd 32 TERMINOLOGY 16 Vehicle Recovery Freeing A SAE J1930 Terminology List 16 BASIC INSPECTION 34 FEATURES OF NEW MODEL 20 SERVICE INFORMATION FOR ELECTRICAL IDENTIFICATION INFORMATION A A 20 INCIDENT BERR 34 Model Variation 20 Pus d El Mp TE P c EUNT Information About Identification Model Code 20 E Di IOS ka a mana a RR ARA IE Va cgo EE unc a NIAE Y TE Wheels amp Tiros carers coc er 23 Intermittent Incident Ge ei re Di e ed EE 41 Revision 2007 June GI 1 G37 Coupe CONSULT III GST CHECKING
49. p point front 2 Safety stand point and lift up point 3 Garage jack point front rear 4 Garage jack point rear CAUTION There is canister just behind Garage jack point rear Jack up be carefully B rd m L ft INFOID 0000000001679199 CAUTION Make sure vehicle is empty when lifting The board on lift attachment A set at front end of vehicle should be set on the front of the sill under the front door opening Position attachments at front and rear ends of board on lift A Vehicle front JMAIA0004ZZ Revision 2007 June GI 31 G37 Coupe TOW TRUCK TOWING lt PRECAUTION gt TOW TRUCK TOWING Tow Tru ck Towing INFOID 0000000001679200 CAUTION All applicable state or Provincial in Canada laws and local laws regarding the towing operation must be obeyed It is necessary to use proper towing equipment to avoid possible damage to the vehicle during tow ing operation Towing is in accordance with Towing Procedure Manual at dealer Always attach safety chains before towing When towing make sure that the transmission steering system and powertrain are in good order If any unit is damaged dollies must be used Never tow an automatic transmission model from the rear that is backward with four wheels on the ground This may cause serious and expensive damage to the transmission 2WD MODELS PIIB6402E INFINITI recommends that vehicle be towed with the driving r
50. rative emission canister EVAP canister Canister Evaporative emission system EVAP system Canister control solenoid valve Exhaust gas recirculation valve Revision 2007 June EGR valve GI 16 EGR valve G37 Coupe lt HOW USE THIS MANUAL gt NEW TERM Exhaust gas recirculation control BPT valve TERMINOLOGY NEW ACRONYM ABBREVIATION EGRC BPT valve OLD TERM BPT valve Exhaust gas recirculation control solenoid valve EGRC solenoid valve EGR control solenoid valve Exhaust gas recirculation temperature sen sor EGRT sensor Exhaust gas temperature sensor EGR temperature sensor ee programmable FEEPROM Gee Ee programmable read only FEPROM iur Flexible fuel sensor FFS dii Flexible fuel system FF system Fuel pressure regulator s Pressure regulator m regulator control solenoid Vat PRVR control solenoid valve Fuel trim FT x Heated Oxygen sensor HO2S Exhaust gas sensor Idle air control system IAC system Idle speed control Idle air control valve air regulator IACV air regulator Air regulator Idle air control valve auxiliary air control valve IACV AAC valve Auxiliary air control AAC valve air control valve FICD solenoid valve IACV FICD solenoid valve FICD solenoid valve Idle air control valve idle up control sole noid valve IACV idle up control solenoid valve Idle up control soleno
51. remium Package 2WD GLSALVY EUA COUPE FS6R31A 6 VQ37VHR 4WAS GLSULVY EUA Standard GLSALQN ENA 2WD Journey Premium Package GLSALHN ENA RE5RO05A 5AT GLSALFN ENA 4WAS Sport GLSULFN ENA CANADA FS6R31A 6MT Bum GLSALFY ENA GLSALVN ENA RE5RO05A 5AT 4WAS GLSULVN ENA Sport Premium Package 2WD GLSALVY ENA FS6R31A 6MT 4WAS GLSULVY ENA Model variation code Prefix and suffix designations A Rap A Standard U USA N Canada E Multiport fuel injection system engine Model N 5 speed automatic transmission Y 6 speed manual transmission V Sport Premium Package F Sport Grade H Journey Premium Package E Journey Grade Standard L Left hand drive A 2 wheel drive models 4 wheel active steer models LS VQ37VHR engine Each digit means the optional identification code G Coupe Information About Identification or Model Code IDENTIFICATION NUMBER Revision 2007 June GI 20 G37 Coupe IDENTIFICATION INFORMATION lt FEATURES OF NEW MODEL gt JPAIA0143GB 1 Vehicle identification plate 2 Emission control information label 3 EES number 4 Vehicle identification number plate 5 Air conditioner specification label 6 Tire and loading information label 7 FMVSS certification label VEHICLE IDENTIFICATION NUMBER ARRANGEMENT XXXXXX Vehicle serial number Manufacturing plant M Tochigi Model year 8 2008 model year Check digit
52. rity for advice on disposal facilities It is illegal to pour used oil on to the ground down sewers or drains or into water sources The regulations concerning pollution vary between regions Air Co ndition INFOID 0000000001679195 Use an approved refrigerant recovery unit any time the air conditioning system must be discharged Refer to HA section REFRIGERATION SYSTEM for specific instructions FUEL FUEL Unleaded Premium Gasoline Recommended INFINITI recommends the use of unleaded premium gasoline with an octane rating of at least 91 AKI Anti Knock Index number Research octane number 96 unleaded premium gasoline 1 not available you may use unleaded regular gasoline with an octane rating of at least 87 AKI number Research octane number 91 but you may notice a decrease in performance CAUTION Do not use leaded gasoline Using leaded gasoline will damage the three way catalyst Do not use E 85 fuel 85 fuel ethanol 15 unleaded gasoline unless the vehicle is specifically designed for E 85 fuel i e Flexible Fuel Vehicle FFV models Using a fuel other than that specified could adversely affect the emission control devices and systems and could also affect the warranty coverage validity Revision 2007 June GI 29 G37 Coupe LIFTING POINT lt PRECAUTION gt LIFTING POINT Commercial Service Tools m Tool name Description Board on attachment S NTO001 Safety stand attachment
53. rproof characteristics RUBBER SEAL INSPECTION e Most waterproof connectors are provided with a rubber seal between the male and female connectors If the seal is missing the waterproof performance may not meet specifications The rubber seal may come off when connectors are disconnected Whenever connectors are reconnected make sure the rubber seal is properly installed on either side of male or female connector WIRE SEAL INSPECTION The wire seal must be installed on the wire insertion area of a waterproof connector Be sure that the seal is installed properly SEL275V Terminal Lock Inspection Check for unlocked terminals by pulling wire at the end of connector An unlocked terminal may create intermittent signals in the circuit Female connector Locked terminal pass Pa O 2222 a Intermittent contact Unlocked terminal r m itte nt nt INFOID 0000000001679205 SEL330V DESCRIPTION Sometimes the symptom is not present when the vehicle is brought in for service possible re create the conditions present at the time of the incident Doing so may help avoid a No Trouble Found Diagnosis The fol Revision 2007 June GI 38 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt lowing section illustrates ways to simulate the conditions environment under which the owner experiences an electrical
54. rt time In such cases you will want to check for a heat sensitive condition To determine if an electrical component is heat sensitive heat the component with a heat gun or equivalent CAUTION Do not heat components above 60 C 140 f incident occurs while heating the unit either replace or properly insulate the component FREEZING The customer may indicate the incident goes away after the car warms up winter time The cause could be related to water freez ing somewhere in the wiring electrical system There are two methods to check for this The first is to arrange for the owner to leave his car overnight Make sure it will get cold enough to demonstrate his complaint Leave the car parked out side overnight In the morning do a quick and thorough diagnosis of those electrical components which could be affected The second method is to put the suspect component into a freezer long enough for any water to freeze Reinstall the part into the car and check for the reoccurrence of the incident If it occurs repair or replace the component WATER INTRUSION The incident may occur only during high humidity or in rainy snowy weather In such cases the incident could be caused by water intru sion on an electrical part This can be simulated by soaking the car or running it through a car wash CAUTION Do not spray water directly on any electrical components ELECTRICAL LOAD The incident may be electrical load sen
55. s When circuit contacts another circuit and causes the normal resistance to SHORT e SHORT CIRCUIT change e SHORT TO GROUND When circuit contacts a ground source and grounds the circuit NOTE Refer to Gl 35 How to Check Terminal to probe or check terminal TESTING FOR OPENS IN THE CIRCUIT Before you begin to diagnose and test the system you should rough sketch a schematic of the system This will help you to logically walk through the diagnosis process Drawing the sketch will also reinforce your work ing knowledge of the system Inspection for opens FUSE BLOCK poc I SIDE LA Continuity check SGI846 A Continuity Check Method The continuity check is used to find an open in the circuit The digital multimeter DMM set on the resistance function will indicate an open circuit as over limit no beep tone or no ohms symbol Make sure to always start with the DMM at the highest resistance level To help in understanding the diagnosis of open circuits please refer to the previous schematic Disconnect the battery negative cable Start at one end of the circuit and work your way to the other end At the fuse block in this example Connect one probe of the DMM to the fuse block terminal on the load side Connect the other probe to the fuse block power side of SW1 Little or no resistance will indicate that por tion of the circuit has good co
56. s a technician to monitor DTC work sup the status results of self diagnosis by the POEG ECU ECM TCM part number be read X xX x x x x x x part number on Classification number of a replacement ECU ECU discriminat can be read to prevent an incorrect ECU from ed being installed G37 Coupe CONSULT III GST CHECKING SYSTEM BASIC INSPECTION 2 a F e e O x 23 Diagnostic test lZ 5 Function gt ui mu me SE ix ATZ oao 0 2 lt lu lt 5 lt 5 lt ic or N 1 lt lt lt This mode can show results of self diagnosis of ECU with either OK or NG For engines Function test xX more practical tests regarding sensors switches and or actuators are available Function to READ WRITE vehicle configura Configration XX tion BCM AV COMM moni The condition of AV communicationcanbeln x tor dicated x Applicable 1 If GST application is equipped functions in accordance with SAE J1979 and ISO 15031 5 can be used CONSULT III GST Data Lin
57. sitive Perform diagnosis with all accessories including A C rear window defogger radio fog lamps turned on COLD OR HOT START UP On some occasions an electrical incident may occur only when the car is started cold or it may occur when the car is restarted hot shortly after being turned off In these cases you may have to keep the car overnight to make a proper diagnosis Revision 2007 June GI 40 Heating test Heat gun Do not heat above 60 C 140 F 61842 Freezing test 0 ORD VN Water in connector 561843 Water intrusion test 501844 Electrical load test A C Rear Rear defogger Light switch 561845 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt C u it ns pe ct INFOID 000000000 1679206 DESCRIPTION In general testing electrical circuits is an easy task if it is approached in a logical and organized method Before beginning it is important to have all available information on the system to be tested Also get a thor ough understanding of system operation Then you will be able to use the appropriate equipment and follow the correct test procedure You may have to simulate vehicle vibrations while testing electrical components Gently shake the wiring harness or electrical component to do this OPEN A circuit is open when there 15 no continuity through a section of the circuit There are two types of short
58. tems Such as those in Computer Controlled Systems Circuits in the Computer Controlled System operate on very low amperage The Computer Controlled system operations can be adversely affected by any variation in resistance in the system Such resistance variation may be caused by poor connection improper installation improper wire gauge or corrosion The step by step voltage drop test can identify a component or wire with too much resistance 1 Connect the DMM as shown starting at the battery and working your way around the circuit 2 An unusually large voltage drop will indicate a component or wire that needs to be repaired As you can see the illustration above the poor connection causes a 4 volt drop Switch The chart that follows illustrates some maximum allowable voltage drops These values are given as ideline the exact value for Battery a gui id each component may vary COMPONENT VOLTAGE DROP Wire negligible 001 volts Ground Connections Approx 0 1 volts Switch Contacts Approx 0 3 volts SAIA0258E CONTROL UNIT CIRCUIT TEST System Description When the switch is ON the control unit lights up the lamp CASE 1 TERMINAL 1 TERMINAL 2 Monitoring of the Power supply switch operation to light up ON OFF the lamp Battery 2 Control Lamp Short FUSE blows Short FUSE blows unit Open Inoperative lamp when switch is ON Open Inoperative lamp Short a
59. when the engine is hot Dispose of drained oil or the solvent used for cleaning parts in an appropriate manner Do not attempt to top off the fuel tank after the fuel pump nozzle shuts off automatically Continued refueling may cause fuel overflow resulting in fuel spray and possibly a fire Clean all disassembled parts in the designated liquid or solvent prior to inspection or assembly oil seals gaskets packings O rings locking washers cotter pins self locking nuts etc with new ones Replace inner and outer races of tapered roller bearings and needle bearings as a set Arrange the disassembled parts in accordance with their assembled locations and sequence Do not touch the terminals of electrical components which use microcomputers such as ECM Static electricity may damage internal electronic components After disconnecting vacuum or air hoses attach a tag to indicate the proper connection Use only the fluids and lubricants specified in this manual Use approved bonding agent sealants or their equivalents when required Use hand tools power tools disassembly only and recommended special tools where specified for safe and efficient service repairs When repairing the fuel oil water vacuum or exhaust systems check all affected lines for leaks 561233 PBICO190E Revision 2007 June GI 26 G37 Coupe PRECAUTIONS lt PRECAUTION gt Before servicing the vehicle Protect fenders upholster
60. y Engine Compartment There are several reasons a vehicle or engine vibration could cause an electrical complaint Some of the things to check for are Connectors not fully seated Wiring harness not long enough and 15 being stressed due to engine vibrations or rocking Wires laying across brackets or moving components Loose dirty or corroded ground wires Wires routed too close to hot components To inspect components under the hood start by verifying the integrity of ground connections Refer to Ground Inspection described later First check that the system is properly grounded Then check for loose connection by gently shaking the wiring or components as previously explained Using the wiring diagrams inspect the wiring for continuity Behind the Instrument Panel An improperly routed or improperly clamped harness can become pinched during accessory installation Vehi cle vibration can aggravate a harness which is routed along a bracket or near a screw Under Seating Areas Revision 2007 June GI 39 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt An unclamped or loose harness can cause wiring to be pinched by seat components such as slide guides during vehicle vibration If the wiring runs under seating areas inspect wire routing for possible damage or pinching HEAT SENSITIVE The customer s concern may occur during hot weather or after car has sat for a sho
61. y and carpeting with appropriate covers Take caution that keys buckles or buttons do not scratch paint Seat cover Fender cover SGI234 WARNING To prevent ECM from storing the diagnostic trouble codes do not carelessly disconnect the harness connectors which are related to the engine control system and TCM transmission control module system The connectors should be disconnected only when working according to the WORK FLOW of TROUBLE DIAGNOSES in EC and AT sections T h re e Way C atal yst INFOID 0000000001679191 If a large amount of unburned fuel flows into the catalyst the catalyst temperature will be excessively high To prevent this follow the instructions Use unleaded gasoline only Leaded gasoline will seriously damage the three way catalyst When checking for ignition spark or measuring engine compression make tests quickly and only when nec essary Do not run engine when the fuel tank level is low otherwise the engine may misfire causing damage to the catalyst Do not place the vehicle on flammable material Keep flammable material off the exhaust pipe and the three way catalyst Multiport Fuel Injection System or Engine Control System INFOID 0000000001679192 Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM Turn ignition switch to OFF position Disconnect negative battery terminal Otherwise there may be damage to ECM Before disconn
62. y power using jumper cables if battery is discharged 2 Carry the Intelligent Key or insert it to the key slot and turn the push button ignition switch to ACC position At this time the steering lock will be released 3 Disconnect both battery cables The steering lock will remain released with both battery cables discon nected and the steering wheel can be turned 4 Perform the necessary repair operation 5 When the repair work is completed re connect both battery cables With the brake pedal released turn the push button ignition switch from ACC position to ON position then to LOCK position The steering wheel will lock when the push button ignition switch is turned to LOCK position 6 Perform self diagnosis check of all control units using CONSULT III Precaution for Battery Service INFOID 0000000002912486 Before disconnecting the battery lower both the driver and passenger windows This will prevent any interfer ence between the window edge and the vehicle when the door is opened closed During normal operation the window slightly raises and lowers automatically to prevent any window to vehicle interference The automatic window function will not work with the battery disconnected Precaution for Procedure without Cowl Top Cover INFOID 0000000001723249 When performing the procedure after removing cowl top cover cover the lower end of windshield with urethane etc PIIB3706J General Precautions
63. ystem Operation Descriptions Applicable Service Manual Sections Check for any Service Bulletins Identify where to begin diagnosis based upon your knowledge of the system operation and the customer comments STEP 4 Inspect the system for mechanical binding loose connectors or wiring damage Determine which circuits and components are involved and diagnose using the Power Supply Routing and Harness Lay outs STEP 5 Repair or replace the incident circuit or component STEP 6 Operate the system in all modes Verify the system works properly under all conditions Make sure you have not inad vertently created a new incident during your diagnosis or repair steps Control Units and Electrical Parts RERUG PRECAUTIONS Never reverse polarity of battery terminals Install only parts specified for a vehicle Before replacing the control unit check the input and output and functions of the component parts Do not apply excessive force when disconnecting a connector Revision 2007 June GI 34 G37 Coupe SERVICE INFORMATION FOR ELECTRICAL INCIDENT lt BASIC INSPECTION gt Do not apply excessive shock to the control unit by dropping or hit ting it Be careful to prevent condensation in the control unit due to rapid temperature changes and do not let water or rain get on it If water Control is found in the control unit dry it fully and then install it in the vehi Unit cle Be care

GI-4 - Textfiles.com

Contents

Download Pdf Manuals

Related Search

Related Contents