8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch Relay...........8W-30-9
A/C High Pressure Switch.............8W-30-11
Airbag Control Module................8W-30-4
Automatic Shut Down Relay........8W-30-2, 3, 5
Brake Lamp Switch............8W-30-12, 13, 14
Brake Shift Interlock Solenoid.........8W-30-13
Brake Warning Indicator Switch........8W-30-13
Camshaft Position Sensor..............8W-30-7
Center High Mounted Stop Lamp.......8W-30-14
Clockspring........................8W-30-12
Clutch Interlock Switch..............8W-30-15
Controller Anti-Lock Brake..........8W-30-4, 13
Crankshaft Position Sensor............8W-30-7
Data Link Connector................8W-30-2, 4
Engine Coolant Temperature Sensor.....8W-30-7
Engine Oil Pressure Switch............8W-30-2
Engine Starter Motor Relay...........8W-30-15
Fuel Injector No. 1...................8W-30-5
Fuel Injector No. 2...................8W-30-5
Fuel Injector No. 3...................8W-30-5
Fuel Injector No. 4...................8W-30-5
Fuel Pump Module..................8W-30-10
Fuel Pump Relay...................8W-30-10
Fuel Tank.........................8W-30-10
Fuse 6 (FB)........................8W-30-13
Fuse 7 (FB)........................8W-30-13
Fuse 10 (FB).....................8W-30-9, 10
Fuse 11 (FB).....................8W-30-9, 10
Fuse 21 (PDC)..................8W-30-2, 4, 10
Fuse 23 (PDC)......................8W-30-13
Fuse Block....................8W-30-9, 10, 13
G101........................8W-30-3, 12, 15Component Page
G102.......................8W-30-2, 4, 13, 15
G201.............................8W-30-12
G303.............................8W-30-10
Generator.........................8W-30-11
Idle Air Control Motor................8W-30-8
Ignition Coil........................8W-30-5
Inlet Air Temperature Sensor...........8W-30-6
Instrument Cluster................8W-30-4, 10
Knock Sensor.......................8W-30-6
Leak Detection Pump.................8W-30-9
Left Tail/Stop Lamp.................8W-30-14
Manifold Absolute Pressure Sensor......8W-30-6
Multi-Function Switch...............8W-30-14
Noise Suppressor....................8W-30-5
Oxygen Sensor 1/1 Upstream...........8W-30-3
Oxygen Sensor 1/2 Downstream.........8W-30-3
Park/Neutral Position Switch..........8W-30-15
Power Distribution Center......8W-30-2, 4, 10, 13
Power Steering Pressure Switch........8W-30-15
Powertrain Control Module.....8W-30-2, 3, 4, 5, 6,
7, 8, 9, 10, 11, 12, 13, 15
Proportional Evap/Purge Solenoid.......8W-30-15
Radiator Fan Relay...................8W-30-9
Remote Keyless Entry Module..........8W-30-4
Right Tail/Stop Lamp................8W-30-14
Sentry Key Immobilizer Module.........8W-30-4
Throttle Position Sensor...............8W-30-6
Torque Converter Clutch Solenoid.......8W-30-9
Vehicle Speed Control Servo........8W-30-12, 13
Vehicle Speed Control Switch..........8W-30-12
Vehicle Speed Sensor.................8W-30-8
PL8W - 30 FUEL/IGNITION SYSTEM 8W - 30 - 1
31
BLOCK FUSE
ST-RUN A21
11
15A
FUSE
11
2
34
3
2
69
7033
29
C12078C255C264C277C272C2
MODULE CONTROL
POWERTRAIN
C104
1C108
2C102
C1083
3C1054
C30517
BUILT-UP-
(EXCEPT
PUMP
DETECTION
LEAK
EXPORT)
(IN PDC) RELAY
CLUTCH
COMPRESSOR
A/C
A17
(IN PDC)
RELAY
FAN
RADIATOR
(ATX) SOLENOID
CLUTCH
CONVERTER
TORQUE
C11
11
S109
F12
18
DB/WT
F12
18
DB/WT
F12
18
DB/WT
F12
18
DB/WT
F12
18
DB/WT
F12
18
DB/WTF12
18
DB/WT
F12
18
DB/WT
F12
18
DB/WT
K54
18
OR/BK
K54
18
OR/BKC27
18
DB/PKC28
18
DB/OR
K106
18
WT/DGK107
18
YL
K107
18
YLK106
18
WT/DG
FUSED
IGNITION
SWITCH
OUTPUT
(ST-RUN)TORQUE
CONVERTER
CLUTCH
SOLENOID
CONTROLRADIATOR
FAN
RELAY
CONTROLA/C
COMPRESSOR
CLUTCH
RELAY
CONTROLLEAK
DETECTION
PUMP
SOLENOID
CONTROLLEAK
DETECTION
PUMP
SWITCH
SENSE
10FUSE15A
10
30
RHD LHD F12
18
DB/WT
F12
18
DB/WT
(8W-11-2)
(8W-11-3) (8W-10-10)
(8W-11-12)
(8W-42-2) (8W-42-5)(8W-11-11)
(8W-11-12) (8W-11-11)
PL8W-30 FUEL/IGNITION SYSTEM 8W - 30 - 9
PLI03009008W-10
Component Page
PRNDL Lamp......................8W-80-39
Proportional Evap/Purge Solenoid.......8W-80-39
Radiator Fan Motor.................8W-80-39
Radio.............................8W-80-39
Rear Window Defogger Switch.........8W-80-40
Remote Keyless Entry Module.........8W-80-40
Right Back-Up Lamp................8W-80-41
Right City Lamp....................8W-80-41
Right Front Door Speaker.............8W-80-41
Right Front Fog Lamp...............8W-80-41
Right Front Side Marker Lamp........8W-80-42
Right Front Turn Signal Lamp.........8W-80-42
Right Front Wheel Speed Sensor.......8W-80-42
Right Headlamp....................8W-80-42
Right Headlamp Leveling Motor........8W-80-43
Right Instrument Panel Speaker.......8W-80-43
Right License Lamp.................8W-80-43
Right Park/Turn Signal Lamp..........8W-80-43
Right Rear Door Lock Motor...........8W-80-43
Right Rear Fog Lamp................8W-80-44
Right Rear Speaker..................8W-80-44
Right Rear Turn Signal Lamp..........8W-80-44Component Page
Right Rear Wheel Speed Sensor........8W-80-44
Right Repeater Lamp................8W-80-44
Right Tail/Stop Lamp................8W-80-45
Right Tail/Stop/Turn Signal Lamp......8W-80-45
Seat Belt Switch....................8W-80-45
Sentry Key Immobilizer Module........8W-80-45
Siren.............................8W-80-45
Sunroof Control Module..............8W-80-46
Sunroof Motor......................8W-80-46
Sunroof Switch.....................8W-80-46
Sunroof Vent Switch.................8W-80-46
Throttle Position Sensor..............8W-80-46
Torque Converter Clutch Solenoid.......8W-80-47
Traction Control Switch..............8W-80-47
Trunk Key Cylinder Switch............8W-80-47
Underhood Lamp...................8W-80-47
Vehicle Speed Control Servo...........8W-80-47
Vehicle Speed Sensor................8W-80-48
Windshield Washer Pump.............8W-80-48
Wipe/Wash Switch...................8W-80-48
Wiper Motor.......................8W-80-48
PL8W - 80 CONNECTOR PIN-OUTS 8W - 80 - 3
POWERTRAIN
CONTROL
MODULE - C2
61 K6 18VT/WT 5V SUPPLY
62 K29 20WT/PK BRAKE LAMP SWITCH SENSE
63 - -
64 C28 18DB/OR A/C COMPRESSOR CLUTCH RELAY CONTROL
65 D21 20PK SCI TRANSMIT
66 G7 20WT/OR VEHICLE SPEED SENSOR SIGNAL
67 K51 18DB/YL AUTOMATIC SHUT DOWN RELAY CONTROL
68 K52 20PK/BK PROPORTIONAL EVAP/PURGE SOLENOID CONTROL
69 - -
70
71
72 K107 18YL LEAK DETECTION PUMP SWITCH SENSE
73
74 K31 18BR FUEL PUMP RELAY CONTROL
75 D20 20LG SCI RECIEVE
76 CLUTCH INTERLOCK SWITCH SENSE
77 K106 18WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
78
79K54 18OR/BK TORQUE CONVERTOR CLUTCH SOLENOID CONTROL
80 V35 20LG/RD SPEED CONTROL VENT SOLENOID CONTROL
BLACK
71 8061 7051 6041 50
- - 60 59
20VT K59 58
IDLE AIR CONTROL NO. 1 DRIVER 20GY/RD K39 57
SPEED CONTROL VACUUM SOLENOID CONTROL 20TN/RD V36 56
55
- - 54
- - 53
INLET AIR TEMPERATURE SENSOR SIGNAL 20VT/LG G31 52
OXYGEN SENSOR 1/2 SIGNAL 20TN/WT K141 51
GROUND 20BK/TN Z12 50
20YL/BK K60 49
IDLE AIR CONTROL NO. 3 DRIVER 20BR/WT K40 48
GROUND 18BK/WT Z11 47
FUSED B(+) 18RD/WT A14 46
POWER STEERING PRESSURE SWITCH SENSE 20WT K10 45
8V SUPPLY 20OR K7 44
SENSOR GROUND 20BK/LB K4 43
- - 42
SPEED CONTROL SWITCH SIGNAL 20RD/LG V37 41
FUNCTION CIRCUIT CAV
IDLE AIR CONTROL NO. 2 DRIVER
IDLE AIR CONTROL NO. 4 DRIVER C27 18DB/PK RADIATOR FAN RELAY CONTROL
D25 20VT/YL
PCI BUS
K108 20DB EVAPORATIVE EMISSION SOLENOID SENSE
G9 18GY/BK RED BRAKE WARNING INDICATOR DRIVER
--
-- 76 T41 18BR/YL PARK/NEUTRAL POSITION SWITCH SENSE
20YL/RD T141
SPEED CONTROLEXCEPT BUILT-UP-EXPORT
MTX
ATX
8W - 80 - 38 8W-80 CONNECTOR PIN-OUTSPL
J008W-10PLI08038
Z1 20BK
2 CAV
1CIRCUIT
GROUNDFUNCTION
M1 20PK FUSED B(+)
UNDERHOOD
LAMP
CONTROL SERVOVEHICLE SPEED
41BLACK
GROUND 20BK Z1 4SPEED CONTROL BRAKE LAMP SWITCH OUTPUT 20DB/RD V30 3
SPEED CONTROL VENT SOLENOID CONTROL 20LG/RD V35 2
SPEED CONTROL VACUUM SOLENOID CONTROL 20TN/RD V36 1
FUNCTION CIRCUIT CAV
21
3 Z1 20BK GROUND
4 E2 22OR PANEL LAMPS DRIVER 4
1
SWITCH TRACTION CONTROL
TRACTION CONTROL SWITCH SENSE B27 20RD/YL 2- 1
FUNCTION CIRCUIT CAV
-
2
1
DECKLID SECURITY SWITCH SENSE G71 20VT/YL
GROUND
Z1 18BKFUNCTION
CAV CIRCUIT
1
2
CAV CIRCUIT FUNCTION
1- -
2 K54 18OR/BK TORQUE CONVERTER CLUTCH SOLENOID CONTROL
3 F12 18DB/WT FUSED IGNITION SWITCH OUTPUT (ST-RUN)
BLACK
1
23
TORQUE CONVERTER
CLUTCH SOLENOID
(ATX)
TRUNK KEY
CYLINDER SWITCH
BLACK
GRAY
WHITE
PL8W-80 CONNECTOR PIN-OUTS 8W - 80 - 47
PLI08047008W-10
Connector
Name/NumberColor Location Fig.
Sunroof
Control
ModuleAt Sunroof N/S
Sunroof Motor At Sunroof N/S
Sunroof
SwitchBK At Switch N/S
Sunroof Vent
SwitchAt Switch N/S
Throttle
Position
SensorBK On Throttle
Body2
Torque
Converter
Clutch
Solenoid
(ATX)BK On
Transmission2
Traction
Control SwitchWT Center of
Instrument
Panel7Connector
Name/NumberColor Location Fig.
Trunk Key
Cylinder
SwitchGY On Decklid 17
Underhood
LampBK At Lamp N/S
Vehicle Speed
Control ServoBK At Right Front
Strut Tower1, 3
Vehicle Speed
SensorBK On
Transmission5
Windshield
Washer PumpRD At Right Front
Wheel
Opening1
Wipe/Wash
SwitchGY Center of
Instrument
Panel6
Wiper Motor BK Left Side of
Engine
CompartmentN/S
8W - 90 - 6 8W - 90 CONNECTOR/GROUND LOCATIONSPL
DESCRIPTION AND OPERATION (Continued)
Connector
Name/NumberColor Location Fig.
Right Tail/Stop
LampBK At Lamp 31
Seat Belt
SwitchBK Under Drivers
SeatN/S
Sentry Key
Immobilizer
ModuleBK Right Side of
Instrument
Panel25
Siren Left Front of
Vehicle18
Sunroof
Control
ModuleAt Sunroof N/S
Sunroof Motor At Sunroof N/S
Sunroof
SwitchBK At Switch N/S
Sunroof Vent
SwitchAt Switch N/S
Throttle
Position
SensorBK On Throttle
Body19
Torque
Converter
Clutch
Solenoid
(ATX)BK On
Transmission19Connector
Name/NumberColor Location Fig.
Traction
Control SwitchWT Center of
Instrument
Panel24
Trunk Key
Cylinder
SwitchGY On Decklid 36
Underhood
LampBK At Lamp N/S
Vehicle Speed
Control ServoBK At Left Front
Strut Tower19
Vehicle Speed
SensorBK On
Transmission22
Windshield
Washer PumpRD At Right Front
Wheel
Opening18
Wipe/Wash
SwitchGY Center of
Instrument
Panel25
Wiper Motor BK Right Side of
Engine
Compartment23
PL8W - 90 CONNECTOR/GROUND LOCATIONS 8W - 90 - 25
DESCRIPTION AND OPERATION (Continued)
FUEL INJECTION SYSTEM
TABLE OF CONTENTS
page page
DESCRIPTION AND OPERATION
INJECTION SYSTEM......................22
MODES OF OPERATION...................22
SYSTEM DIAGNOSIS......................24
POWER DISTRIBUTION CENTER............24
POWERTRAIN CONTROL MODULE...........24
PCM GROUND...........................26
5 VOLT SUPPLYÐPCM OUTPUT.............26
8-VOLT SUPPLYÐPCM OUTPUT.............26
FUEL CORRECTION or ADAPTIVE MEMORIES . . 26
PROGRAMMABLE COMMUNICATIONS
INTERFACE (PCI) BUS...................27
AIR CONDITIONING PRESSURE
TRANSDUCERÐPCM INPUT..............27
AUTOMATIC SHUTDOWN (ASD) SENSEÐ
PCM INPUT...........................27
BATTERY VOLTAGEÐPCM INPUT............28
BRAKE SWITCHÐPCM INPUT...............28
CAMSHAFT POSITION SENSORÐPCM INPUT . . 28
CLUTCH INTERLOCK/UPSTOP SWITCH.......29
CRANKSHAFT POSITION SENSORÐPCM
INPUT................................30
ENGINE COOLANT TEMPERATURE
SENSORÐPCM INPUT...................30
FUEL LEVEL SENSORÐPCM INPUT..........31
HEATED OXYGEN SENSOR (O2 SENSOR)Ð
PCM INPUT...........................32
IGNITION CIRCUIT SENSEÐPCM INPUT......34
INLET AIR TEMPERATURE SENSORÐPCM
INPUT................................34
KNOCK SENSORÐPCM INPUT..............34
MANIFOLD ABSOLUTE PRESSURE (MAP)
SENSORÐPCM INPUT...................35
POWER STEERING PRESSURE SWITCHÐ
PCM INPUT...........................35
SENSOR RETURNÐPCM INPUT.............35
SPEED CONTROLÐPCM INPUT.............36
SCI RECEIVEÐPCM INPUT.................36
PARK/NEUTRAL POSITION SWITCHÐPCM
INPUT................................36
THROTTLE POSITION SENSORÐPCM INPUT . . 36VEHICLE SPEED SIGNAL (VSS)ÐPCM INPUT . . 37
AIR CONDITIONING CLUTCH RELAYÐPCM
OUTPUT..............................38
AUTOMATIC SHUTDOWN RELAYÐPCM
OUTPUT..............................38
CHARGING SYSTEM INDICATOR LAMPÐPCM
OUTPUT..............................38
FUEL PUMP RELAYÐPCM OUTPUT..........38
PROPORTIONAL PURGE SOLENOIDÐPCM
OUTPUT..............................39
GENERATOR FIELDÐPCM OUTPUT..........39
IDLE AIR CONTROL MOTORÐPCM OUTPUT . . . 39
DATA LINK CONNECTOR...................40
FUEL INJECTORSÐPCM OUTPUT...........40
IGNITION COILÐPCM OUTPUT..............40
MALFUNCTION INDICATOR (CHECK ENGINE)
LAMPÐPCM OUTPUT...................41
SPEED CONTROLÐPCM INPUT.............41
SCI RECEIVEÐPCM OUTPUT...............41
TACHOMETERÐPCM OUTPUT..............42
TORQUE CONVERTOR CLUTCH SOLENOIDÐ
PCM OUTPUT..........................42
REMOVAL AND INSTALLATION
THROTTLE BODY........................42
THROTTLE POSITION SENSOR.............43
IDLE AIR CONTROL MOTOR................43
MAP SENSOR...........................44
POWERTRAIN CONTROL MODULE (PCM).....44
UPSTREAM HEATED OXYGEN SENSOR......45
DOWNSTREAM HEATED OXYGEN SENSOR
1/2 ..................................46
AIR CLEANER BOX.......................46
AIR CLEANER ELEMENT...................47
ENGINE COOLANT TEMPERATURE SENSOR . . . 47
VEHICLE SPEED SENSOR.................47
KNOCK SENSOR.........................48
SPECIFICATIONS
VECI LABEL.............................49
TORQUE...............................49
SPECIAL TOOLS
FUEL..................................49
PLFUEL SYSTEM 14 - 21