TROUBLESHOOTING WITH VOLT OHMMETER
Contents
1. Ignition Switch To Tachometer Igniter Ignition Main Relay PO5864 1 There is no voltage between PCME terminals IGT and E1 Idling 2 Check that there is voltage between PCME terminal IGT and body ground Idling NO OK terminal E1 and body ground Replace OK Check fuse H fuse fusible link ignition BAD popaj switch and ignition main relay epalr or replace OK BAD Check distributor See IG section Repair or replace OK BAD Check wiring between PCME and Repai battery epair or replace OK BA D Check igniter See IG section Repair or replace P01167 EG2 230 5S FEENGINE _MPI SYSTEM o Termine rowe Condon O sTo vote Isco E1 16 SWON Ignition Switch FI5741 Refer to No 1 See page EG2 220 3 Check resistance between IACV V ltineter S terminals B and ISCC or ISCO STD resistance 19 3 22 39 EG2 231 5S FEENGINE _MPI SYSTEM STD voltage No trouble CHECK engine warning light off owe No voltage and engine running To ignition Switch 1G1 CHECK Engine Warning Light Combination Meter 1 There is no voltage between PCME terminals W and E1 Idling voltmeter Ye AAY 2 Check that there is voltage between PCME terminal W and body ground NO OK 3 Check wiring between PCME terminal E1 and body ground BAD OK Try another PCME Repair or replace2. Check fuse GAUGE 7 5A and check engine warning light Voltmeter BAD Repair or replace Fuse blows again Check wiring between PCME terminal BAD Regal W and fuse epair or replace Ohmmeter EG2 232 POS865 PO5685 P05687 5S FE ENGINE MPISYSTEM Sub Oxygen Sensor Calif only 1 There is no voltage between PCME terminals VF and E1 Check that there is specified between PCME terminal VF and body Check wiring between PCME terminal E1 and body ground Try another PCME Repair or replace C heck for suction of air into exhaust system Repair air suction OK AD OK Check spark plugs PAR OK system OK Check fuel pressure Ban OK Check injectors SD OK AR OK s BAD Check wiring between oxygen sensors and PCME connectors OK Repair oxygen sensors Repair wiring 00931 EG2 233 5S FEENGINE _MPI SYSTEM Calif only EGR Function Sensor 1 There is no voltage between PCME terminals THG and E2 IG SW ON 2 Check that there is voltage between PCME terminal B or B1 and body ground IG SW ON OK NO Refer to No 1 See page EG2 220 Check wiring between PCME terminal E1 and body ground OK BAD Repair or replace BAD Check EGR system Repair or replace See page EG2 173 OK 3 Check EGR function sensor See page EG2 321 Ohmmeter 8 EGR Function OK Sensor Replace EGR function Check wiring bet
3. Try another PCME Repair or replace BAD Check fuse H fuse and fusible link PO1165 7 Check wiring between PCME terminal BAD and battery Repair or replace P01167 v00920 EG2 222 5S FEENGINE _MPI SYSTEM No Terminals Trouble Condition STD voltage Throttle valve open No voltage IG SW ON Throttle valve fully closed Throttle opener must be 0 3 0 8 V cancelled first Throttle valve fully open 3 2 4 9 V e IDL E2 1 There is no voltage between PCME terminals IDL and E2 IG SW ON Throttle valve open Voltmeter 2 Check that there is voltage between PCME terminal B B1 and body ground IG SW ON NO OK Check wiring between PCME terminal E1 and body ground eanas SE a OK BAD Voltmeter WI 4 Try another PCME Repair or replace Refer to No 1 BAD See page Repair or replace EG2 222 OK 3 Check throttle position Ohmmeter sensor See page EG2 288 Throttle Position BAD Sensor Repair or replace Check wiring between PCME and throttle position sensor throttle position sensor Try another PCME PO01060 I K KR a 921 EG2 223 5S FEENGINE _MPI SYSTEM e VC E2 1 There is no voltage between PCME terminals VC and E2 IG SW ON Check that there is voltage between PCME terminal B B1 and body ground IG SW ON Voltmeter OK NO P01182 2 Check throttle position sensor Refer to No 1 See page EG2 288 See page EG2 220 Ohmmeter BAD OK
4. Repair orrenlac Check wiring between PCME and throttle P p position sensor OK BAD Repair or replace e VTA E2 2 Check that there is voltage between PCME terminals VC and E2 IG SW ON P0114181 Refer to VC E2 trouble Section Check throttle position sensor Voltmeter i See page EG2 288 Repair or replace PO1182 Ohmmeter P01060 EG2 224 5S FEENGINE _MPI SYSTEM o roms amie Sai S70 vas em e No voltage IG SW ON Manifold Absolute Pressure Sensor FI1226 1 There is no voltage between PCME terminals PIM or VC and E2 IG SW ON Voltmeter 7 2 Check that there is voltage between PCME terminal B B1 i and body ground IG SW ON Refer to No 1 porog See page EG2 220 3 Check wiring between PCME terminal E1 and body ground Check manifold absolute pressure sensor See page EG2 319 Repair or replace PO1341 Replace manifold absolute pressure sensor Check wiring between PCME and manifold absolute pressure sensor 6 Try another PCME Repair or replace P01167 v00923 EG2 225 5S FEENGINE _MPI SYSTEM ignition Main 1 There is no voltage between PCME terminals 10 and or 20 and E01 and or E02 IG SW ON 2 Check that there is voltage between PCME terminal 10 and or 20 and body ground NO OK Check wiring between PCME terminal E01 and or E02 and FOUTS body ground K BAD 6 Try another PCME Repair or replace Check fu
5. amp T and throttle position sensor OK Repair or replace Repair or replace FI2764 Try another PCME amp T EG2 240 Terminals Trouble No voltage Manifold Absolute Pressure Sensor Fi1226 Voltmeter FIS128 F12756 5S FE ENGINE MPI SYSTEM Condition STD voltage IG SW ON PCME amp T OE2 E21 1 There is no voltage between PCME amp T terminals PIM or VC and E2 IG SW ON 2 Check that there is voltage between PCME amp T terminal B B1 and body ground IG SW ON OK NO Refer to No 1 See page EG2 236 3 Check wiring between PCME amp T terminal E1 and body ground OK BAD Check manifold absolute pressure See page EG2 319 Repair or replace BAD Replace manifold absolute pressure Check wiring between PCME amp T and manifold absolute pressure sensor sensor K BAD o Try another PCME amp T Repair or replace vo0937 EG2 241 5S FEENGINE _MPI SYSTEM 10 E01 Ignition Switch STD voltage 9 14V PCME amp T Ignition Main 1 There is no voltage between PCME amp T terminals 10 and or 20 and E01 and or E02 IG SW ON 2 Check that there is voltage between PCME amp T terminal 10 and or 20 and body ground NO OK Check wiring between PCME amp T terminal E01 and or E02 and body ground OK BAD Check fuse H fuse fusible link and BAD ign
6. 1 Idling PCME amp 2 Check that thee is voltage between PCME amp T terminal IGT and body ground Idling j NO OK Fio 3 Check wiring between PCME amp T BAD Repair or terminal E1 and body ground Replace OK Try another PCME amp T Check fuse H fuse fusible link ignition BAD switch and ignition main relay Fl2771 PCME amp OK S BAD Check wiring between PCME amp T and Repair or replace battery K OK BAD Check distributor See IG section Repair or replace 8 BAD Check igniter See IG section Repair or replace FI2755 v00942 EG2 246 5S FEENGINE _MPI SYSTEM fc Terminals mome condos ooa Ignition Switch Battery FI5741 1 There is no voltage between PCME amp T terminals ISCO and E1 IG SW ON PCME amp T OK NO Refer to No 1 See page EG2 236 3 Check resistance between IACV terminals B and ISCC or ISCO Replace IACV STD resistance 19 3 22 3Q Repair or replace wiring PO5915 EG2 247 5S FEENGINE _MPI SYSTEM A anaon Cid No trouble CHECK engine warning light off and engine running STD voltage No voltage PCME amp T To Ignition Switch 1G1 CHECK Engine Warning Light Combination Meter FI0728 1 There is no voltage between PCME amp T terminals W and E1 PCME amp T Idling 2 Check tha
7. EG2 217 5S FEENGINE _MPI SYSTEM TROUBLESHOOTING WITH VOLT OHMMETER HINT 6120 01 e The following troubleshooting procedures are designed for inspection of each separate system and therefore the actual procedure may vary somewhat However troubleshooting should be performed while referring to the inspection methods described in this manual e Before beginning inspection it is best to first make a simple check of the fuses H fuses fusible link and the condition of the connectors e The following troubleshooting procedures are based on the supposition that the trouble lies in either a short or open circuit within the computer e f engine trouble occurs even though proper operating voltage is detected in the computer connector then it can be assumed that the PCME amp T is faulty and should be replaced G128 01 FUSES H FUSES AND FUSIBLE LINK LOCATION EF 15A GAUGE 7 5A EG2 218 A gt ey i Lock x gt OC oe q J Bag SN 5S FE ENGINE FI2944 Terminal Name Symbol MPI SYSTEM MPI SYSTEM CHECK PROCEDURE M T PREPARATION a Disconnect the connectors from the PCME b Remove the locks as shown in the illustration so that the tester probe s can easily come in NOTICE Pay attention to sections A and B in the illustration which can be easily broken c Reconnect the connectors to the PCME HINT e Perform all voltage measurements with the con nectors conn
8. FEENGINE _MPI SYSTEM PCME Wiring Connectors Voltage M T Condition STD voltage V See page IG SW ON Throttle valve open 9 14 gt 4 5 5 5 EG2 222 IG SW ON Throttle valve fully closed 0 Throttle opener must be cancelled first 0 3 0 8 Throttle valve fully open 3 No trouble CHECk engine warning light off and engine running EG2 231 IG SW ON 8 14 EG2 230 9 14 PCME Terminals V00918 EG2 220 5S FE ENGINE MPISYSTEM INo Terminais Trouble Condition STD voltage No voltage IG SW ON Ignition Switch 1 There is no voltage between PCME terminals B or B1 and E1 IG SW ON Voltmeter 2 Check that there is voltage between PCME terminal B or B1 land body ground IG SW ON NO OK po1340 3 Check wiring between PCME terminal E1 and body ground OK BAD Voltmeter Try another PCME Repair or replace Check fuses H fuse fusible link and BAD ignition switch Repair or replace OK Check M PI main relay BAD PO1341 See page EG2 302 Replace OK EE aoe pasnnandi z BAD Ohmmeter aor ees 7 Ses eas MPI main O P01167 v00919 EG2 221 5S FE ENGINE MPISYSTEM 2 BATT E1 No voltage 9 14 V 1 There is no voltage between PCME terminals BATT and E1 2 Check that there is voltage between PCME terminal BATT and body ground NO OK 3 Check wiring between PCME terminal E1 and Poise bodground OK BAD
9. OCK SENSOR PS PS CONTROL MODULE A C IDLE UP VSV THW_ ECTS B K _ STOP LIGHT SWITCH HROTTLE POSITION SENSOR PS CONTROL MODULE INTAKE AIRTEMP SENSOR THE EVAPORATOR TEMP SENSOR FC CIRCUIT OPENING RELAY DEFOGGER SWITCH B _ MPI MAIN RELAY MAP THROTTLE POSITION SENSOR BATT BATTERY DISTRIBUTOR E2 ___ SENSOR GROUND B1__ MPI MAIN RELAY IGNITER STA __ STARTER SWITCH Calif only sp2 VSPG NSW__ PARK NEUTRAL SWITCH PCME amp T Terminals 01 10 20 tscolsscc reuliscy 2 fwe Ne ie eon Leen Tesr e s fe fre FI2796 VEG EG2 235 5S FE ENGINE MPISYSTEM PCME amp T Wiring Connectors Voltage A T E1 IG SW ON 14 EG2 236 B1 9 e N se IG SW ON Throttle valve fully closed Throttle opener must be cancelled first VTA 2 IDL E2 Throttle valve open 9 14 EG2 238 Throttle valve fully open PIM E2 3 3 3 9 EG2 240 VC E2 IG SW ON 4 5 5 5 2o a2 Loe THA E2 Intake air temp 20 C 68 F 0 5 3 4 EG2 242 IG SW ON THW E2 Coolant temp 80 C 176 F EG2 243 ISCO E1 IG SW ON EG2 246 No trouble CHECk engine warning light off and 7 engine running 9 14 EG2 247 7 o 1 W E1 PCME amp T Terminals 233 EG2 236 5S FEENGINE _MPI SYSTEM Terminals Condition STD voltage Ignition Switch Fi5742 2 Check that there is voltage between PCME amp T terminal B or B1 and b
10. PCME amp T Repair or replace BAD FI3875 Check for suction of air into exhaust system Repair air suction OK BAD Check for air leak from air intake system Repair air leak OK BAD Check spark plugs Repair or replace OK BAD Check distributor w ignition coil and ignition system Repair or replace OK BAD Check fuel pressure Repair or replace OK Check injectors Repair or replace Check manifold absolute pressure sensor Repair or replace OK OK Check operation of oxygen sensors System normal BAD Check wiring between oxygen sensors BAD eee and PCME amp T connectors Repair wiring Repair oxygen sensors 00949
11. ant temp sensor engine coolant temp sensor OK BAD ngine Coolant R Try another PCME amp T Repair or replace vo0940 EG2 244 Terminals Trouble STA E1 No voltage Ignition Switch Battery FI5736 PCME amp FI2768 PCME amp T serene os Ohmmeter FI2755 Starter P01061 Terminal 50 5S FE ENGINE MPI SYSTEM Condition STD voltage Cranking 6 V or more PCME amp T Park Neutral Switch Starter Relay 1 There is no voltage between PCME amp T terminals STA and E1 IG SW START Check starter OK Check wiring between PCME amp T terminal operation STA and ignition switch terminal ST2 OK BAD BAD Repair or replace 2 Check wiring between PCME amp T terminal E1 and body ground Try another PCME amp T Repair or replace Check fuse H fuse fusible link battery pap wiring ignition switch and park neutral Repair or replace switch OK 3 Check that there is voltage at starter terminal 50 IG SW ON STD voltage 6 V or more NO OK Check wiring between ignition switch Check starter terminal ST2 and starter and starter terminal i 50 vo0941 EG2 245 5S FEENGINE _MPI SYSTEM fo Terminals Trouble Condon 9 IGT E1 No voltage i Ignition Switch PCME amp T To Tachometer Ignition Main Battery Relay P05864 1 There is no voltage between PCME amp T terminals IGT and E
12. ected e Verify that the battery voltage is 11 V or more when the ignition switch is in the ON position Using a voltmeter with high impedance 10 k amp 2 V minimum measure the voltage at each terminal of the wiring connectors PCME Terminals M T Terminal Name Symbol Eo POWER GROUND eoz POWER GROUND NE Terminal Name DISTRIBUTOR NE DISTRIBUTOR 0 INJECTOR IGF IGNITER STARTER RELAY ENGINE GROUND INTAKE AIR TEMP SENSOR MAP THROTTLE POSITION SENSOR MAP THROTTLE POSITION SENSOR SUB OXYGEN SENSOR SENSOR GROUND ISCO IDLE AIR CONTROL VALVE F STA ISCV A C IDLE UP VSV EG R VSV DoE INJECTOR FPU ISCC IGNITER PS CONTROL MODULE IDLE AIR CONTROL VALVE VF i FUEL PRESSURE VSV DLC1 E21 TEI PS CONTROL MODULE Ox1 SENSOR GROUND DLC1 DLC1 MAIN OXYGEN SENSOR EVAPORATOR TEMP SENSOR Wee PSCT i ae A C AMPLIFIER TAILLIGHT RELAY DEFOGGER SWITCH VSPG CIRCUIT OPENING RELAY A C AMPLIFIER KNOCK SENSOR aaa BATTERY EGR FUNCTION SENSOR ECTS WARNING LIGHT MPI MAIN RELAY DISTRIBUTOR 10 a ee EGR 2 ea sr rs a PCME Terminals A Ear a ad aa EN a a THROTTLE POSITION SENSOR MPI MAIN RELAY ee on oer fr fel melee ro ped Calif only narn Ee Eke Spl 00947 EG2 219 5S
13. heck that there is voltage between PCME terminal B B1 and body ground IG SW ON OK NO Refer to No 1 See page EG2 220 Check wiring between PCME terminal E1 and body ground OK BAD 3 Check engine coolant temp sensor Repair or replace See page EG2 305 BAD OK Repair engine coolant Check wiring between PCME and engine temp sensor coolant temp sensor OK BAD Engine Coolant Try another PCME Repair or replace Temp Sensor EG2 228 5S FE ENGINE MPISYSTEM No Terminal Trouble 8 STA E1 No voltage ignition Switch Battery Ft6736 Voltmeter PO1167 Starter Voltmeter Terminal 50 Condition STD voltage Cranking 6 V or more 1 There is no voltage between PCME terminals STA and E1 IG SW ON Check starter OK Check wiring between PCME terminal STA operation and ignition switch terminal ST2 BAD OK BAD Repair or replace 3 Check wiring between PCME terminal E1 and body ground BAD i K Try another PCME Repair or replace Check fuse H fuse fusible link batter wiring ignition switch clutch start Repair or replace switch and starter relay K 0 3 Check that there is voltage at starter terminal 50 IG SW START STD voltage 6 V or more OK NO Check Check wiring between ignition switch ecx starter terminal ST2 and starter terminal 50 vo0927 EG2 229 5S FEENGINE _MPI SYSTEM Distributor w Ignition Coil
14. ition switch and ignition main relay Repalror replace OK 3 Check resistance of each injector STD resistance Approx 13 80 OK OK Repair injector Check wiring between PCME amp T BAD terminal No 10 and or No 20 and Repair or replace battery P0526 EG2 242 5S FEENGINE _MPI SYSTEM iio Terminale Toubie Condon STD vonage 6 THA E2 No voltage IGSWON Intake air temperature 20 C 68 F 0 5 3 4V PCME amp T Intake Air Temp Sensor 6 B B1 1 There is no voltage between PCME amp T terminals THA and E2 PCME amp T IG SW ON 2 Check that there is voltage between PCME amp T terminal B or B and body ground IG SW ON OK NO Refer to No 1 See page EG2 236 Check wiring between PCME amp T terminal E1 and body ground OK BAD ee BAD OK temp sensor temp sensor OK BAD Intake Air Try another PCME amp T Repair or replace Temp Sensor EG2 243 5S FEENGINE _MPI SYSTEM o eminas wowe OOOO conan O J oTo vonage THW E2 No voltage IG SW ON Coolant temperature 80 C 176 F 0 2 1 0 V PCME amp T Engine Coolant temp Sensor O B 81 4 E2 E21 E1 F1I3572 1 There is no voltage between PCME amp T terminals THW and E2 IG SW ON PCME amp 2 Check that there is voltage between PCME amp T terminal B or B and body ground IG SW ON OK NO Refer to No 1 See page EG2 236 OK BAD Sa temp senso BAD OK cool
15. n PCME amp T terminal B B1 and body ground IG SW ON OK Check wiring between PCME amp T terminal E1 and body ground OK BAD Try another PCME amp T Repair or replace Refer to No 1 BAD See page Repair or replace EG2 236 3 Check throttle position sensor See page EG2 288 FI2762 F12757 BAD Ohmmeter Throttle Position BAD Sensor A i Repair or replace Check wiring between PCME amp T and R throttle position sensor throttle position sensor NE OK Try another PCME amp T P01060 EG2 239 5S FEENGINE _MPI SYSTEM e VC E2 1 There is no voltage between PCME amp T terminals VC and E2 IG SW ON Check that there is voltage between PCME amp T terminal B B1 and body ground IG SW ON OK NO FI2764 2 Check throttle position sensor Refer to No 1 Ohmmeter See page EG2 288 See page EG2 236 BAD OK Throttle Position Sensor Repai Check wiring between PCME amp T and throttle k epar or rep ace position sensor r N m OK BAD Repair or replace Try another PCME amp T P01060 e VTA E2 1 There is no specified voltage at PCME amp T terminals VTA and E2 IG SW ON 2 Check that there is voltage between PCME amp T terminals VC and E2 IG SW ON OK F12763 Refer to VC E2 trouble section PCME amp T 3 Check throttle position sensor See page EG2 288 OK Check wiring between PCME
16. ody ground IG SW ON NO OK 3 Check wiring between PCME amp T terminal E1 and bod F12911 ground A K BAD 6 PCME amp T Try another PCME amp T Repair or replace Voltmeter Check fuses H fuse fusible link and BAD ignition switch OK Check MPI main relay BAD FI2757 z See page EG2 302 Replace OK E iri i BAD Check wiring between MPI main Maaar orrenhe relay and battery PCME amp T FI2755 VO0934 EG2 237 5S FEENGINE _MPI SYSTEM jc emna roue Condon O sovo 2 oare novom OOO O y o PCME amp T FIS738 1 There is no voltage between PCME amp T terminals BATT and E1 ay Ween pee ee 2 Check that there is voltage between PCME amp T terminal BATT and i body ground l NO OK 3 Check wiring between PCME amp T terminal E1 and body ground Fl2753 OK BAD Try another PCME amp T Repair or replace FI2754 PCME amp Drees Pana ael ra on GceTetee preneeret sy miana th 7 FI2755 3 8 EG2 238 5S FEENGINE _MPI SYSTEM Trouble Throttle valve open 9 14V Throttle valve fully closed Throttle opener must be cancelled first Throttle valve fully open 3 2 4 9V PCME amp T No voltage IG SW ON 0 3 0 8 V e IDL E2 PCME amp T s 1 There is no voltage between PCME amp T terminals IDL and E2 IG SW ON Throttle valve open 2 Check that there is voltage betwee
17. se H fuse fusible link ignition BAD Repair or Replace switch and ignition main relay OK 3 Check resistance of each injector STD resistance Approx 13 82 BAD Replace injector OK Check wiring between PCME terminal BAD F No 10 and or No 20 and battery Repair or replace voo924 EG2 226 5S FEENGINE _MPI SYSTEM o Terminale Trouble conmo ___ _ _ STD voltage 6 THA E2 No voltage iGswon Intake air temperature 20 C 68 F Intake Air Temp Sensor O B B1 FI3872 IG SW ON 0 5 3 4V 1 There is no voltage between PCME terminals THA and E2 Voltmeter j l 2 Check that there is voltage between PCME terminal B or B1 and body ground IG SW ON OK OK 3 Check intake air temp sensor BAD Replace intake air temp sensor temp sensor Intake Air Try another PCME Temp Sensor Ohmmeter P01656 NO Refer to No 1 See page EG2 220 Check wiring between PCME terminal E1 and body ground BAD See page EG2 306 Repair or replace Check wiring between PCME and air a BAD Repair or replace l x vo0925 EG2 227 5S FEENGINE _MPI SYSTEM No Terminals Trouble Conanon STD voltage THW E2 No voltage IGSWON Coolant temperature 80 C 176 F 0 2 1 0V Engine Coolant Temp Sensor b B B1 O THW 7 e He AA E1 1 There is no voltage between PCME terminals THW and E2 IG SW ON 2 C
18. t there is voltage between PCME amp T terminal W and body ground NO OK 3 Check wiring between PCME amp T terminal E1 and i2772 body ground OK BAD Try another PCME amp T Repair or replace Check GAUGE fuse 7 5 A and check engine warning light PCME amp BAD F12773 a Repair or replace Fuse blows again Check wiring between PCME amp T BAD Repai terminal W and fuse Cpa OmrEpiace F12755 vooo44 EG2 248 Calif only FI2757 EGR Function Sensor 5S FE ENGINE MPISYSTEM PCME amp T EGR Function Sensor 1 There is no voltage between PCME amp T terminals THG and E2 IG SW ON 2 Check that there is voltage between PCME amp T terminal B or B and body ground IG SW ON OK NO Refer to No 1 See page EG2 236 Check wiring between PCME amp T terminal E1 and body ground OK BAD Repair or replace Check EGR system BAD Repair or replace See page EG2 173 r ia OK Check EGR function ensor See page EG2 321 BAD OK Replace EGR function Check wiring between PCME amp T and sensor EGR sensor EG2 249 5S FEENGINE _MPI SYSTEM PCME amp T Sub Oxygen Sensor Calif only 05865 1 There is no voltage between PCME amp T terminals VF and E1 Check that there is specified voltage between PCME amp T terminal VF and body ground NO OK Check wiring between PCME amp T terminal E1 and body ground OK BAD Try another
19. ween PCME and EGR ow sensor function sensor BAD n lt w o Q as QO z m 2 A w gt o Repair or replace FI2674 VO0932 EG2 234 5S FE ENGINE MPISYSTEM SYSTEM CHECK PROCEDURE A T PREPARATION a Disconnect the connectors from the PCME amp T b Remove the locks as shown in the illustration so that the tester probe s can easily come in NOTICE Pay attention to sections A and B in the illustration which can be easily broken e Reconnect the connectors to the PCME amp T Fl2944 HINT e Perform all voltage measurements with the con nectors connected e Verify that the battery voltage is 1 1 V or more when the ignition switch is in the ON position Using a voltmeter with high impedance 10 kQ V minimum measure the voltage at each terminal of the wiring connectors Voltmeter Sa Fi2911 PCME amp T Terminals A T Symbol ____Terminal Name Symbol Terminal Name Symbol _ TerminalName E01 POWER GROUND __ s ECT SOLENOID ae ECT SOLENOID 10 INJECTOR st ECTSOLENOID jf et ENGINEGROUND oot OD OFF SWITCH INJECTOR DLC1 AIC AMPLIFIER ewe gt E21 __ SENSOR GROUND IDLE AIR CONTROL VALVE TT oD2 OD MAIN SWITCH EGR EGRVSV TEI IDLE AIR CONTROL VALVE OXYGEN SENSOR ee SUB OXYGEN SENSOR w WARNING LIGHT e eera a H KN
Download Pdf Manuals
Related Search