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OUTLINE.........................................4A—
SYSTEM DIAGRAM....................... 4A—
COMPONENT LOCATION........... 4A—
VACUUM HOSE ROUTING
DIAGRAM.................................... 4A —
SPECIFICATIONS.......................... 4A—
TROUBLESHOOTING GUIDE........ 4A—
TROUBLESHOOTING
PROCEDURE.............................. 4A —
TROUBLESHOOTING WITH SST.. 4A— 10
INSPECTION PROCEDURE......... 4A— 11
AFTER-REPAIR PROCEDURE..... 4A— 11
PRINCIPLE OF CODE CYCLE..... 4A— 13
CODE NUMER.............................. 4A— 14
SWITCH MONITOR FUNCTION.....4A— 25
INSPCETION PROCEDURE......... 4A— 26
IDLE ADJUSTMENT.......................4A— 29
IDLE SPEED.................................. 4A — 29
IDLE MIXTURE.............................. 4A— 30
INTAKE AIR SYSTEM.................... 4A— 31
COMPONENT DESCRIPTIONS.... 4A— 31
REMOVAL...................................... 4A — 32
PARTS INSPECTION.................... 4A— 33
REPLACEMENT............................ 4A— 35
INSTALLATION.............................. 4A— 36
IDLE SPEED CONTROL (ISC)
SYSTEM....................................... 4A— 38
COMPONENT DESCRIPTIONS.... 4A— 39
TROUBLESHOOTING................... 4A— 40
FUEL SYSTEM............................... 4A— 43
COMPONENT DESCRIPTIONS.... 4A— 44
TROUBLESHOOTING................... 4A— 45
FUEL PRESSURE RELEASE AND
SERVICING FUEL SYSTEM........ 4A— 46
MULTI-PRESSURE TESTER......... 4A— 47
FUEL PRESSURE......................... 4A— 49
FUEL PUMP.................................. 4A — 50
PULSATION DAMPER.................. 4A— 51
INJECTOR...................................... 4A — 52
PRESSURE REGULATOR CONTROL
SYSTEM....................................... 4 A— 54
COMPONENT DESCRIPTIONS.... 4A— 55
TROUBLESHOOTING................... 4A— 56
REPLACEMENT............................ 4A— 58
FUEL TANK................................... 4A— 63
FUEL AND EMISSION
CONTROL SYSTEM
(NON-TURBO)
2
2
3
6
7
8
8
DECELERATION CONTROL
SYSTEM....................................... 4A— 66
COMPONENT DESCRIPTIONS.... 4A— 67
TROUBLESHOOTING................... 4A— 68
EXHAUST GAS RECIRCULATION
(EGR) SYSTEM ............................. 4A— 70
COMPONENT DESCRIPTIONS.... 4A— 70
TROUBLESHOOTING................... 4A— 71
EVAPORATIVE EMISSION CONTROL
(EEC) SYSTEM.............................4A— 73
COMPONENT DESCRIPTIONS.... 4A— 73
TROUBLESHOOTING.................. 4A— 74
POSITIVE CRANKCASE
VENTILATION (PCV) SYSTEM.... 4A— 79
COMPONENT DESCRIPTION...... 4A— 79
EXHAUST SYSTEM........................ 4A— 80
REMOVAL AND INSTALLATION.. 4A— 81
INSPECTION.................................. 4A — 81
SHIFT INDICATOR LIGHT CONTROL
SYSTEM.............................. .........4A— 82
COMPONENT DESCRIPTIONS.... 4A— 82
TROUBLESHOOTING ................... 4A— 83
CONTROL SYSTEM.......................4A— 84
RELATIONSHIP CHART............... 4A— 85
EGI MAIN FUSE.......... ................. 4A— 87
MAIN RELAY................................. 4A— 87
CIRCUIT OPENING RELAY......... 4A— 87
ENGINE CONTROL UNIT............ 4A— 88
NEUTRAL SWITCH....................... 4A— 93
CLUTCH SWITCH ......................... 4A— 93
BRAKE LIGHT SWITCH............... 4A— 93
P/S PRESSURE SWITCH.............. 4A— 94
INHIBITOR SWITCH..................... 4A— 94
5TH GEAR SWITCH..................... 4A— 94
E/L CONTROL UNIT..................... 4A— 95
AIR FLOW METER........................ 4A— 96
THROTTLE SENSOR.................... 4A— 97
IDLE SWITCH............................... 4A—101
WATER THERMO SENSOR......... 4A—101
WATER THERMO SWITCH.......... 4A—101
OXYGEN SENSOR...*.................... 4A—102
ATMOSPHERIC PRESSURE
SENSOR.......... ............................ 4A—103
4A
86U04A-001
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Table of Contents
Troubleshooting
