M31e1 Engine Electrical 1-18
Contents
1. tached GENERATOR The Delco Remy CS charging system has several mod els available including the 114D A type or CS114D B type The number denotes the outer diameter in millimeters of the stator lamination CS generators are equipped with internal regulators The Y connection A type or Delta B type stator a rectifier bridge and a rotor with slip rings and brushes are electrically similar to earlier generators A conven tional pulley and fan are used There is no test hole Unlike three wire generators the 114D A type or CS114D B type may be used with only two connec tions battery positive and an L terminal to the charge indicator lamp As with other charging systems the charge indicator lamp lights when the ignition switch is turned to ON and goes out when the engine is running If the charge indi cator is on with the engine running a charging system defect is indicated The regulator voltage setting varies with temperature and limits the system voltage by controlling the rotor field current The regulator switches rotor field current on and off By varying the on off time correct average field current for proper system voltage control is ob tained At high speeds the on time may be 10 percent and the off time 90 percent At low speeds with high electrical loads on time may be 90 percent and the off time 10 percent CHARGING SYSTEM The Delco Remy CS charging system has several mod els ava2. r CaN AAAA Removal Procedure OE TOV d A 1 Disconnect the negative battery cable and then dis A P connect the positive battery cable e Remove the battery cable nut to disconnect the negative battery cable 1 e Remove the battery terminal cap 2 e Remove the battery cable nut to disconnect the positive battery cable 3 2 Ta SL Ct CPF D12E511A 2 Remove the battery Z SAAN e Remove the battery rod nut 1 N e Remove the battery rod 2 S2 Q e Remove the battery 3 p 4 W v D102E512 DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 17 Installation Procedure _ Peet 1 Install in the reverse order of removal 4 A a a CAN 2 Install the battery rod and cable nuts as OV AA A 6 8 Nem Tighten e Tighten the battery rod nut to 6 8 Nem 53 71 Ib E in a A N e Tighten the battery cable nut to 9 12 Nem 80 106 LY lb in b ean SO P PI LAH D12E513A DISTRIBUTOR Removal Procedure 1 Disconnect the negative battery cable 2 Remove the air filter resonator with snorkel assem bly Refer to Section 1B SOHC Engine Mechanical 3 Disconnect the ignition wires and electrical connec tor e Disconnect the optical sensor connector 1 e Disconnect the ignition wires 2 e Remove the ignition wire clip 3 ee A 4 Remove the distributor Important Mark on the distributor housing and case before remove distributor a e Remove the dist
3. observing the hydrometer make sure that the battery has a clean top 2 Under normal operation two indications can be ob served e GREEN DOT VISIBLE Any green appearance is interpreted as a green dot meaning the battery is ready for testing e DARK GREEN DOT IS NOT VISIBLE If there is a cranking complaint the battery should be tested The charging and electrical systems should also be checked at this time 3 Occasionally a third condition may appear e CLEAR OR BRIGHT YELLOW This means the fluid level is below the bottom of the hydrometer This may have been caused by excessive or pro longed charging a broken case excessive tipping or normal battery wear Finding a battery in this condition may indicate high charging by a faulty charging system Therefore the charging and the electrical systems may need to be checked if a cranking complaint exists If the cranking com plaint is caused by the battery replace the battery DAEWOO M 150 BL2 CHARGING PROCEDURE 1 Batteries with the green dot showing do not require charging unless they have just been discharged such as in cranking a vehicle 2 When charging sealed terminal batteries out of the vehicle install the adapter kit Make sure all the char ger connections are clean and tight For best results batteries should be charged while the electrolyte and the plates are at room temperature A battery that is extremely cold may not accept current for
4. DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 9 IGNITION SYSTEM D102E404 1 Ignition Coil 12 Plate 2 Spark Pulg 13 Optical Sensor Unit 3 Ignitoin Wire 0 14 Plate 4 Ignition Wires 1 2 3 15 Bushing 5 Support Clamp 16 Disc Wheel 6 Mounting Clamp 17 Inner Cover 7 Distributor Assembly 18 Outer Cover 8 Coupling 19 Distributor Rotor 9 Distributor Oil Seal 20 Distributor Cap Seal 10 Distributor Housing 21 Distributor Cap 11 Distributor Shaft DAEWOO M 150 BL2 1E 10 ENGINE ELECTRICAL DIAGNOSTIC INFORMATION AND PROCEDURE IGNITION SYSTEM Condition Probable Cause Correction No Crank e Low battery voltage e Charging the battery or Replace the battery e Battery cable is loose corroded e Repair or Replace the battery or damaged cable e Faulty starter motor or starter e Repair or Replace the starter motor circuit is open motor starter motor circuit e Faulty ignition switch or fuse Ef2 e Replace the ignition switch or fuse is blown e Ground short e Repair the ground short Crank OK But Too Slow e Low battery voltage e Charging the battery or Replace the battery e Batter e Repair or Replace the battery e Battery cables is loose corroded cable or damaged e Faulty starter motor e Repair or Replace the starter motor Starter Motor Does Not Stop e Faulty starter motor e Repair or Replace the starter motor e Faulty ignition switch e Replace the ignition switch Starter Motor Running But Not Br
5. E 15 Batterycj cer isd niaw ene ese oe TEE E 1E 16 DISTHIDULON si s si stare ces oecerece we ccace aie 1E 17 Ignition Coil 2 cece eee 1E 18 Unit Repal uonane peek Gee te deere ee 1E 19 Starter Motor 2 00 cece eee eee ee 1E 19 Generator A type MANDO 1E 24 Generator B type DAC 1E 29 Distributor Assembly 00 0000s 1E 34 Schematic and Routing Diagrams 1E 37 Starting System 00 e cece ee eee 1E 37 Charging System 0 00 eee ee eee 1E 38 Ignition System Circuit Tipical 1E 39 Ignition System Circuit Euro Ill 1E 40 Specifications 0 e eee e eee eee 1E 41 Starter Specifications 005 1E 41 Generator Specifications 1E 41 Ignition System Specifications 1E 41 Battery Specifications 0 1E 41 Fastener Tightening Specifications 1E 42 1E 2 ENGINE ELECTRICAL DESCRIPTION AND OPERATION BATTERY The battery has three major functions in the electrical system First the battery provides a source of energy for cranking the engine Second the battery acts as a voltage stabilizer for the electrical system Finally the battery can for a limited time provide energy when the electrical demand exceeds the output of the generator The sealed battery is standard on all cars There are no vent plugs in the cover The battery is co
6. SECTION 1E ENGINE ELECTRICAL CAUTION Disconnect the negative battery cable before removing or installing any electrical unit or when a tool or equipment could easily come in contact with exposed electrical terminals Disconnecting this cable will help prevent personal injury and damage to the vehicle The ignition must also be in B unless otherwise noted TABLE OF CONTENTS Description and Operation Battery sind itt cies ca ied Ratings Reserve Capacity Cold Cranking Amperage 5 Built In Hydrometer 0 02a Charging Procedure Charging Time Required Charging a Completely Discharged Battery Off the Vehicle 00002 eee Jump Starting Procedure Generator Charging System 20 00 eee eee eee Starter Starting System Distributor Ignition Coil 1 2 2 cee eee ee Spark Plug Component Locator 002 005 Starting System 0 0 cece eee Charging System A type MANDO Charging System B type DAC Ignition System Diagnostic Information and Procedure Ignition System Battery Load Test DAEWOO M 150 BL2 Generator Output Test 05 1E 12 Generator System Check 1E 13 Repair Instructions 2005 1E 14 On Vehicle Service 00 c cece eens 1E 14 Storer jasc oleek Addo gawd eh atlnek da bers 1E 14 Generator 0 c cece cece ees 1
7. ate is Unstable e Faulty spark plug e Replace the spark plug or Adjust the gap e Faulty ignition coil e Replace the ignition coil e Poor ignition timing e Reset the valve timing Poor Engine Accelerating e Poor ignition timing Reset the valve timing DAEWOO M 150 BL2 1E 12 ENGINE ELECTRICAL BATTERY LOAD TEST 1 Check the battery for obvious damage such as a cracked or broken case or cover which could permit the loss of electrolyte If obvious damage is noted re place the battery Caution Do not charge the battery if the hydrometer is clear or light yellow Instead replace the battery If the battery feels hot or if violent gassing or spewing of electrolyte through the vent hole occurs discontin ue charging or reduce the charging rate to avoid inju ry 2 Check the hydrometer If the green dot is visible go to the load test procedure If the indicator is dark but green is not visible charge the battery For charging a battery removed from the vehicle refer to Charging a Completely Discharged Battery in this section 3 Connect a voltmeter and a battery load tester across the battery terminals 4 Apply a 300 ampere load for 15 seconds to remove any surface charge from the battery 5 Remove the load 6 Wait 15 seconds to let the battery recover and apply a 270 ampere load Important The battery temperature must be estimated by touch and by the temperature condition the battery has been exp
8. e loss Correct any open wires terminal connections etc as neces sary Refer to Charging System in this section 8 Attach the generator harness connector 9 Run the engine at a moderate idle and measure the voltage across the battery terminals The reading should be above that recorded in Step 4 but less than 15 volts If the reading is over 15 volts or below the previous reading replace the generator Refer to Generator in the On Vehicle Service section 10 Run the engine at a moderate idle and measure the generator amperage output 11 Turn on the carbon pile and adjust it to obtain the maximum amps while maintaining the battery volt age above 13 volts 12 If the reading is within 15 amps of the generator s rating noted on the generator the generator is good If not replace the generator Refer to Generator in the On Vehicle Service section 13 With the generator operating at the maximum out put measure the voltage between the generator housing and the battery negative terminal The volt age drop should be 0 5 volt or less If the voltage drop is more than 0 5 volt check the ground path from the generator housing to the negative battery cable 14 Check clean tighten and recheck all of the ground connections DAEWOO M 150 BL2 GENERATOR SYSTEM CHECK When operating normally the generator indicator lamp will come on when the ignition switch is in the ON posi tion and go out when t
9. h voltage in duced from the ignition coil 1E 6 ENGINE ELECTRICAL COMPONENT LOCATOR STARTING SYSTEM D102E401 1 Starter Motor Assembly 7 Pinion Gear Assembly 2 Starter Solenoid Assembly 8 Ring Set 3 Starter Housing 9 Field Frame Assembly 4 Shift Lever 10 Brush Holder Assembly 5 Armature Set 11 Contact End Frame Assembly 6 Armature 12 Starter Through Bolts DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 7 CHARGING SYSTEM A TYPE MANDO D102E402 1 Generator Assembly 10 Generator Rotor Assembly 2 Generator Shackle 11 Rear Bearing 3 Generator Drive End Nut 12 Generator Stator Assembly 4 Generator Pully 13 Rectifier Assembly 5 Generator Collar Large 14 Voltage Regulator Brush Holder Assembly 6 Generator Front Bracket 15 Generator Rear Bracket 7 Front Bearing 16 Battery Positive Terminal Nut 8 Bearing Spot Plate 17 Through Bolt 9 Generator Collar Small DAEWOO M 150 BL2 1E 8 ENGINE ELECTRICAL CHARGING SYSTEM B TYPE DAC D102E403 1 Generator Assembly 11 Frame Bearing 2 Generator Shackle 12 Generator Frame 3 Generator Drive End Nut 13 Regulator Assembly 4 Generator Pully 14 Brush Holder Assembly 5 Generator Collar 15 Rectifier Assembly 6 Generator Drive End Bracket 16 Shield 7 Generator Stator Assembly 17 Through Bolt 8 Frame Bearing 18 Generator Cover 9 Generator Fan 19 Battery Positive Terminal Nut 10 Generator Rotor Assembly
10. he engine starts If the lamp oper ates abnormally or if an undercharged or overcharged battery condition occurs the following procedure may be used to diagnose the charging system Remember that an undercharged battery is often caused by acces sories being left on overnight or by a defective switch that allows a lamp such as a trunk or glove box lamp to stay on Diagnose the generator with the following procedure 1 Visually check the belt and wiring 2 With the ignition switch in the ON position and the en gine stopped the charge indicator lamp should be on If not detach the harness at the generator and ground the L terminal in the harness with a fused 5 ampere jumper lead DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 13 e If the lamp lights replace the generator Refer to Generator in the On Vehicle Service section e f the lamp does not light locate the open circuit between the ignition switch and the harness con nector The indicator lamp bulb may be burned out 3 With the ignition switch in the ON position and the en gine running at moderate speed the charge indicator lamp should be off If not detach the wiring harness at the generator e If the lamp goes off replace the generator Refer to Generator in the On Vehicle Service section e If the lamp stays on check for a short to ground in the harness between the connector and the indica tor lamp Important Always check the generator fo
11. ilable including the 114D A type or CS114D B type The number denotes the outer diameter in millimeters of the stator laminations CS generators use a new type of regulator that incorpo rates a diode trio The Y connection A type or Delta B type stator a rectifier bridge and a rotor with slip rings and brushes are electrically similar to earlier generators A conventional pulley and fan are used There is no test hole STARTER Wound field starter motors have pole pieces arranged around the armature which are energized by wound field coils Enclosed shift lever cranking motors have the shift lever mechanism and the solenoid plunger enclosed in the drive housing protecting them from exposure to dirt icy conditions and splashes In the basic circuit solenoid windings are energized when the switch is closed The resulting plunger and shift lever movement causes the pinion to engage the engine flywheel ring gear The solenoid main contacts close Cranking then takes place When the engine starts pinion overrun protects the ar mature from excessive speed until the switch is opened at which time the return spring causes the pinion to dis engage To prevent excessive overrun the switch should be released immediately after the engine starts STARTING SYSTEM The engine electrical system includes the battery the ignition the starter the generator and all the related wir ing Diagnostic tables will aid in trouble
12. mpletely sealed except for two small vent holes in the sides These vent holes allow the small amount of gas pro duced in the battery to escape The sealed battery has the following advantages over conventional batteries e No water need be added for the life of the battery e t is protected against overcharge If too much volt age is applied to the battery it will not accept as much current as aconventional battery In a conventional battery the excess voltage will still try to charge the battery leading to gassing which causes liquid loss e It is not as liable to self discharge as a conventional battery This is particularly important when a battery is left standing for long periods of time It has more power available in a lighter and a smaller case RATINGS A battery has two ratings 1 A reserve capacity rating designated at 27 C 81 F which is the time a fully charged battery will provide 25 amperes current flow at or above 10 5 volts 2 A cold cranking amp rating de termined under testing at 18 C 0 F which indicates the cranking load capacity RESERVE CAPACITY The reserve capacity is the maximum length of time it is possible to travel at night with the minimum electrical load and no generator output Expressed in minutes Reserve Capacity or RC rating is the time required for a fully charged battery at a temperature of 27 C 81 F and being discharged at a current of 25 amperes to reach a
13. nd current provided The time required for the battery to accept a measurable charger current at various volt ages may be as follows Votage Hows 14 0 15 9 Up to 8 hours 13 9 or less Up to 16 hours e f the charge current is not measurable at the end of the above charging times the battery should be replaced e f the charge current is measurable during the charging time the battery is good and charging should be completed in the normal manner Important It is important to remember that a complete ly discharged battery must be recharged for a sufficient number of ampere hours AH to restore the battery to a usable state As a general rule using the reserve capac ity rating RC as the number of ampere hours of charge usually brings the green dot into view e f the charge current is still not measurable after using the charging time calculated by the above method the battery should be replaced e f the charge current is measurable during the charging time the battery is good and charging should be completed in the normal manner JUMP STARTING PROCEDURE 1 Position the vehicle with the good charged battery so that the jumper cables will reach from one battery to the other 2 Turn off the ignition all the lights and all the electrical loads in both vehicles Leave the hazard flasher on if there may be other traffic and any other lights needed for the work area 1E 4 ENGINE ELECTRICAL 3 In bo
14. oken the clutch pinion gear or e Replace the starter motor Cranking faulty starter motor e Broken the flywheel ring gear e Replace the flywheel e Connected circuit is open e Repair the open circuit Overcharging Battery e Faulty the IC regulator e Replace the IC regulator Battery Discharge e Loosen the generator drive belt e Adjust the belt tension or Replace the belt Charging Indicator Lamp oe ah echo the e Charging indicator lamp is blown e Repair or Replace the charging gnition Swite or fuse F8 is blown indicator lamp fuse F8 Engine Does Not Work e Faulty ignition switch e Replace the ignition switch e Generator ground circuit is open e Repair the circuit or a short Charging Indicator Lamp e Faulty IC regulator e Replace the IC regulator Does Not Put Out Lights After e Battery cable is corroded or e Repair or Replace the battery Starting the Engine damaged cable e Loosen the generator drive belt e Adjust the belt tension or Replace the belt e Faulty wiring harness e Repair the wiring harness DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 11 IGNITION SYSTEM Cont d Probable Cause Hard to Starting the Engine e Faulty ignition coil e Replace the ignition coil e Faulty Seon include the e Replace the distributor or the optical sensor optical sensor e Faulty spark plug e Replace the spark plug or Adjust the gap e Poor ignition timing e Reset the valve timing Engine Idling St
15. osed to for the preceding few hours 7 If the voltage does not drop below the minimum listed the battery is good and should be reinstalled If the voltage is less than the minimum listed replace the battery Refer to Battery Specifications in this section GENERATOR OUTPUT TEST 1 Perform the generator system test Refer to Gener ator System Check in this section 2 Replace the generator if it fails that test Refer to Generator in the On Vehicle Service section If it passes the test perform the on vehicle output check which follows Important Always check the generator for output be fore assuming that a grounded L terminal circuit has damaged the regulator 3 Attach a digital multimeter a an ammeter b and a carbon pile load c to the battery d and the gen erator e of the rehicle D102E301 Important Be sure the vehicle battery is fully charged and the carbon pile load is turned off 4 With the ignition switch in the OFF position check and record the battery voltage 5 Remove the harness connector from the generator 6 Turn the ignition switch to the ON position with the engine not running Use a digital multimeter to check for voltage in the harness connector L termi nal 7 The reading should be near the specified battery voltage of 12 volts If the voltage is too low check the indicator L terminal circuits for open and grounded circuits causing voltag
16. r output be fore assuming that a grounded L terminal circuit has damaged the regulator Refer to Generator in the Unit Repair section 1E 14 ENGINE ELECTRICAL REPAIR INSTRUCTIONS ON VEHICLE SERVICE a aei pa Sea a En re N AY KA b A N D12E5011 KETY SY m 7 D12E5031 STARTER Removal Procedure 1 Disconnect the negative battery cable 2 Disconnect the electrical connector and clip around the starter e Remove the engine oil temperature sensor to dis connect the harness connector 1 e Remove the starter solenoid nut to disconnect the electrical cable 2 e Remove the harness clip bolt to disconnect the harness clip 3 e Remove the ground bolt 4 3 Remove the starter assembly e Remove the starter mounting bolts 1 e Remove the starter assembly 2 Installation procedure 1 Install in the reverse order of removal 2 Install the starter mounting bolts and starter solenoid nut Tighten e Tighten the starter mounting bolts to 55 65 Nem 41 48 lb ft a e Tighten the starter solenoid nut to 9 12 Nem 80 106 Ib in b e Tighten the harness clip bolt to 9 12 Nem 80 106 lb in c e Tighten the ground bolt to 35 41 Nem 26 30 lb ft d DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 15 GENERATOR Removal Procedure 1 Disconnect the negative battery cable 2 Disconnect the harness connector a eS e Remove the battery harnes
17. ributor bolts 1 e Carefully remove the distributor assembly 2 As SEA eS PNAS Ss Installation Procedure 1 Install in the reverse order of removal 2 Install the distributor bolts loa Tighten j Tighten the distributor bolts to 10 16 Nem 89 142 Ib in D D SI D12E516A DAEWOO M 150 BL2 1E 18 ENGINE ELECTRICAL IGNITION COIL Removal Procedure 1 Disconnect the negative battery cable 2 Disconnect the ignition wires and ignition coil connec tor e Disconnect the ignition wire 1 e Disconnect the ignition coil connector by pushing the connector s lock 2 3 Remove the ignition coil e Remove the screws 1 e Remove the ignition coil 2 Installation Procedure 1 Install in the reverse order of removal 2 Install the ignition coil screws Tighten Tighten the ignition coil screws to 4 7 Nem 35 62 Ib in D12E519A DAEWOO M 150 BL2
18. rrent will likewise increase CHARGING A COMPLETELY DISCHARGED BATTERY OFF THE VEHICLE Unless this procedure is properly followed a perfectly good battery may be needlessly replaced The following procedure should be used to recharge a completely discharged battery 1 Measure the voltage at the battery terminals with an accurate voltmeter If the reading is below 10 volts the charge current will be very low and it could take some time before the battery accepts the current in DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 3 excess of a few milliamperes Refer to Charging Time Required in this section which focuses on the factors affecting both the charging time required and the rough estimates in the table below Such low cur rent may not be detectable on ammeters available in the field 2 Set the battery charger on the high setting Important Some chargers feature polarity protection circuitry which prevents charging unless the charger leads are correctly connected to the battery terminals A completely discharged battery may not have enough voltage to activate this circuitry even though the leads are connected properly making it appear that the bat tery will not accept charging current Therefore follow the specific charger manufacturer s instruction for by passing or overriding the circuitry so that the charger will turn on and charge a low voltage battery 3 Battery chargers vary in the amount of voltage a
19. s connector nut to dis S 3 connect the battery positive connector 1 py YD e Disconnect the generator harness connector 2 D102E504 3 Remove the generator drive belt e Loosen the generator adjusting bolt 1 e Remove the lower bracket to generator bolt and nut 2 e Separate the generator drive belt from the genera tor D102E505 4 Remove the engine mounting lower bracket e Remove the engine mounting lower bracket at taching reaction rod bolt and nut 1 e Remove the engine mounting lower bracket bolts 2 e Remove the engine mounting lower bracket 3 5 Remove the generator e Remove the generator adjusting bolt 1 e Carefully remove the genrator 2 D102E507 DAEWOO M 150 BL2 1E 16 ENGINE ELECTRICAL Installation Procedure 1 Install in the reverse order of removal except genera tor driver velt 2 Install the engine mounting lower bracket bolts and nut Tighten Tighten the engine mounting lower bracket bolts to 35 41 Nem 25 30 Ib ft a e Tighten the engine mounting lower bracket attach ing reaction rod bolt and nut to 68 83 Nem 50 61 lb ft b D12E508A 3 Install the bolts and nut Tighten e Tighten the generator adjusting bolt to 4 7 Nem 35 62 Ib in a e Tighten the generator lower bracket bolt and nut to pe am oy D 18 28 Nem 13 21 lb ft b AA ye e Inspect the generator drive belt tension Lice Rox SZ X J ki D12E509A BATTERY
20. several hours after starting the charger 3 Charge the battery until the green dot appears The battery should be checked every half hour while charging Tipping or shaking the battery may be nec essary to make the green dot appear 4 After charging the battery should be load tested Re fer to Starter Motor in this section CHARGING TIME REQUIRED The time required to charge a battery will vary depend ing upon the following factors e Size of Battery A completely discharged large heavy duty battery requires more than twice the re charging as a completely discharged small passenger car battery e Temperature A longer time will be needed to charge any battery at 18 C 0 F than at 27 C 81 F When a fast charger is connected to a cold battery the current accepted by the battery will be very low at first The battery will accept a higher cur rent rate as the battery warms e Charger Capacity A charger which can supply only 5 amperes will require a much longer charging period than a charger that can supply 30 amperes or more e State of Charge A completely discharged battery requires more than twice as much charge as a one half charged battery Because the electrolyte is nearly pure water and a poor conductor in a completely dis charged battery the current accepted by the battery is very low at first Later as the charging current causes the electrolyte acid content to increase the charging cu
21. shooting system faults When a fault is traced to a particular component refer to that component section of the service manual The starting system circuit consists of the battery the starter motor the ignition switch and all the related elec trical wiring All of these components are connected electrically DISTRIBUTOR Distributor distributes the high tension voltage induced from ignition coil to each spark plug of each cylinder in DAEWOO M 150 BL2 the sequence of ignition order It also adjusts the ignition timing according to the engine condition This vehicle uses the distributor optical sensor type which controls the preminary current of the ignition coil by the ECM The ignition timing change is controlled electronically by the ECM When diagnosing the ignition system refer to Section 1F Engine Controls IGNITION COIL Ignition coil is a sort of transformer to generate high volt age 15 000 25 000V which can bring spark at the spark plugs and has an iron cored closed magnetic type DAEWOO M 150 BL2 ENGINE ELECTRICAL 1E 5 The closed magnetic typed ignition coil is used for the High Energy Ignition H E I system Comparing with the iron cored open magnetic type the closed type almost has no loss of magnetic flux and smaller in size so it produces the high voltage of secondary voltage SPARK PLUG It is a part of ignition secondary current and it burns the compressed mixture by sparking the hig
22. terminal voltage of 10 5 volts COLD CRANKING AMPERAGE The cold cranking amperage test is expressed at a bat tery temperature of 18 C 0 F The current rating is the minimum amperage which must be maintained by the battery for 30 seconds at the specified temperature while meeting a minimum voltage requirement of 7 2 volts This rating is a measure of cold cranking ca pacity The battery is not designed to last indefinitely However with proper care the battery will provide many years of service If the battery tests well but fails to perform satisfactorily in service for no apparent reason the following factors may point to the cause of the trouble e Vehicle accessories are left on overnight e Slow average driving speeds are used for short peri ods e The vehicle s electrical load is more than the genera tor output particularly with the addition of aftermarket equipment e Defects in the charging system such as electrical shorts a slipping generator belt a faulty generator or a faulty voltage regulator e Battery abuse including failure to keep the battery cable terminals clean and tight or a loose battery hold down e Mechanical problems in the electrical system such as shorted or pinched wires BUILT IN HYDROMETER The sealed battery has a built in temperature compen sated hydrometer in the top of the battery This hydrom eter is to be used with the following diagnostic procedure 1 When
23. th vehicles apply the parking brake firmly Notice Make sure the cables are not on or near pulleys fans or other parts that will move when the engine starts damaging the parts 4 Shift a manual transaxle to NEUTRAL Caution Do not use cables that have loose or miss ing insulation or injury could result 5 Clamp one end of the first jumper cable to the positive terminal on the battery Make sure it does not touch any other metal parts Clamp the other end of the same cable to the positive terminal on the other bat tery Never connect the other end to the negative ter minal of the discharged battery Caution Do not attach the cable directly to the neg ative terminal of the discharged battery Doing so could cause sparks and possible battery explosion 6 Clamp one end of the second cable to the negative terminal of the booster battery Make the final con nection to a solid engine ground such as the engine lift bracket at least 450 millimeters 18 inches from the discharged battery 7 Start the engine of the vehicle with the good battery Run the engine at a moderate speed for several min utes Then start the engine of the vehicle which has the discharged battery 8 Remove the jumper cables by reversing the above sequence exactly Remove the negative cable from the vehicle with the discharged battery first While re moving each clamp take care that it does not touch any other metal while the other end remains at
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