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The following abbreviations are used to represent values for Control Module Pin-Out data
I Input PG Power Ground C CAN Network D Serial and Encoded Data
O Output SS Sensor / Signal Supply V S SCP Network V Voltage (DC)
B+ Battery Voltage SG Sensor / Signal Ground D2 D2B Network PWM Pulse Width Modulated
CAUTION: The information on this data page is furnished to aid the user in understanding circuit operation. THIS INFORMATION SHOULD BE USED FOR
REFERENCE ONLY.
NOTE: The values listed are approximately those that can be expected at the control module connector pins with all circuit connections made and all components
connected and fitted.
Refer to the front of this book for detailed information and illustrations regarding the location and identification of harnesses, relays, fuses, grounds, control
modules and control module pins.
DATE OF ISSUE: June 2002
Fig. 03.1
COMPONENTS
Component Connector(s) Connector Description Location
APP SENSOR CA88 6-WAY / BLACK TOP OF ACCELERATOR PEDAL
BRAKE ON / OFF SWITCH CA37 2-WAY / GREEN TOP OF BRAKE PEDAL
CKP SENSOR (V6) PI55 2-WAY / BLACK ENGINE TIMING COVER, CRANKSHAFT PULLEY
CMP SENSOR 1 (V6) PI57 2-WAY / BLACK BANK 1 (RH) CAMSHAFT COVER, FRONT
CMP SENSOR 2 (V6) PI56 2-WAY / BLACK BANK 2 (LH) CAMSHAFT COVER, FRONT
ECT SENSOR PI25 2-WAY / BLACK ENGINE VEE, COOLANT OUTLET CASTING
EFT SENSOR (V6) IL9 2-WAY / BLACK FUEL RAIL, FRONT
ENGINE CONTROL MODULE PI1 134-WAY / BLACK FRONT BULKHEAD, PASSENGER SIDE
EOT SENSOR PI24 2-WAY / BLACK ADJACENT TO OIL FILTER
EVAP CANISTER CLOSE VALVE CA270 2-WAY / BLACK ABOVE REAR AXLE (FUEL TANK COMPONENTS)
EVAP CANISTER PURGE VALVE FH111 2-WAY / BLACK ENGINE COMPARTMENT, LH SIDE,
ADJACENT TO SUSPENSION TURRET
FRONT POWER DISTRIBUTION FUSE BOX — — ENGINE COMPARTMENT, RH SIDE
FTP SENSOR FP1 3-WAY / BLACK FUEL TANK PIPING, LH SIDE (UNDER ACCESS PLATE)
HO2 SENSOR DOWNSTREAM 1/2 PI11 4-WAY / BLACK RH EXHAUST, TOP OF CATALYST
HO2 SENSOR DOWNSTREAM 2/2 PI13 4-WAY / BLACK LH EXHAUST, TOP OF CATALYST
HO2 SENSOR UPSTREAM 1/1 PI10 4-WAY / BLACK RH EXHAUST, CATALYST CENTER
HO2 SENSOR UPSTREAM 2/1 PI12 4-WAY / BLACK RH EXHAUST, CATALYST CENTER
IMT SOLENOID VALVE 1 PI30 2-WAY / BLACK INTAKE MANIFOLD, REAR
IMT SOLENOID VALVE 2 PI31 2-WAY / BLACK INTAKE MANIFOLD, REAR
IP SENSOR (V6) IL12 3-WAY / BLACK FUEL RAIL, REAR
KNOCK SENSOR 1 (V6) PI20 2-WAY / BLACK ENGINE VEE, TOWARD FRONT, BANK 2 (FRONT SENSOR)
KNOCK SENSOR 2 (V6) PI19 2-WAY / BLACK ENGINE BLOCK, REAR, BANK 1 (REAR SENSOR)
MAF SENSOR PI14 5-WAY / BLACK ENGINE AIR INTAKE, ADJACENT TO AIR CLEANER
MAP SENSOR (V6) PI29 4-WAY / BLACK INTAKE MANIFOLD, UPPER REAR
THROTTLE MOTOR (V6) PI18 2-WAY / BLACK ENGINE AIR INTAKE, FRONT
THROTTLE MOTOR RELAY — — FRONT POWER DISTRIBUTION FUSE BOX – R4
TP SENSOR PI26 4-WAY / BLACK THROTTLE BODY, THROTTLE SHAFT
VVT SOLENOID VALVE 1 PI16 2-WAY / BLACK RH CYLINDER HEAD, FRONT
VVT SOLENOID VALVE 2 PI17 2-WAY / BLACK LH CYLINDER HEAD, FRONT
HARNESS IN-LINE CONNECTORS
Connector Connector Description / Location Location
FC12 14-WAY / GREY / FASCIA HARNESS TO FRONT HARNESS BEHIND INSTRUMENT PANEL, PASSENGER SIDE
FC26 16-WAY / BLUE / CABIN HARNESS TO FASCIA HARNESS BEHIND INSTRUMENT PANEL, DRIVER SIDE
FH1 20-WAY / BLACK / CABIN HARNESS TO FRONT HARNESS RH ‘A’ POST, LOWER
FH3 16-WAY / BLUE / CABIN HARNESS TO FRONT HARNESS LH ‘A’ POST
FP2 8-WAY / BLACK / CABIN HARNESS TO FUEL PUMP HARNESS TOP OF FUEL TANK, RH SIDE
IL10 12-WAY / BLACK / ENGINE HARNESS TO FUEL INJECTOR LINK REAR OF ENGINE
PI41 42-WAY / BLACK / ENGINE HARNESS TO VEHICLE HARNESSES ENGINE COMPARTMENT, BULKHEAD, PASSENGER SIDE
GROUNDS
Ground Location
PI40 (LHD) ENGINE COMPARTMENT, BEHIND RH WHEEL ARCH LINER
PI40 (RHD) ENGINE COMPARTMENT, BEHIND LH WHEEL ARCH LINER
FOR CONTROL MODULE PIN-OUT INFORMATION, UNFOLD PAGE TO LEFT.
CONTROL MODULE PIN-OUT INFORMATION
Engine Control Module
Pin Description and Characteristic
O PI1-1 HO2 SENSOR HEATER CONTROL – 1/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
O PI1-2 HO2 SENSOR HEATER CONTROL – 1/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
PG PI1-4 POWER GROUND 1: GROUND
PG PI1-5 POWER GROUND 2: GROUND
I PI1-6 ENGINE CRANK: B+
I PI1-7 IGNITION ON: B+
I PI1-8 BRAKE ON / OFF SWITCH: NORMALLY OPEN / B+ WHEN ACTIVATED
IPI1-10 INERTIA SWITCH: NORMALLY CLOSED / OPEN CIRCUIT WHEN ACTIVATED
SS PI1-12 SENSOR POWER SUPPLY 1: NOMINAL 5 V
SS PI1-13 SENSOR POWER SUPPLY 2: NOMINAL 5 V
SG PI1-17 SMALL SIGNAL GROUND 1: GROUND
SG PI1-18 SMALL SIGNAL GROUND 2: GROUND
SG PI1-19 SENSOR GROUND 1: GROUND
SG PI1-20 SENSOR GROUND 2: GROUND
B+ PI1-22 BATTERY POWER SUPPLY: B+
B+ PI1-23 EMS SWITCHED POWER SUPPLY 1: B+
B+ PI1-24 EMS SWITCHED POWER SUPPLY 2: B+
SG PI1-29 HO2 SENSOR HEATER GROUND – 1/1: GROUND
SG PI1-30 HO2 SENSOR HEATER GROUND – 1/1: GROUND
IPI1-31 AUTOMATIC – PARK / NEUTRAL SIGNAL: B+ WHEN ACTIVATED
MANUAL, ROW – PARK / NEUTRAL SIGNAL: B+ WHEN IGNITION CRANK (III)
MANUAL, NAS – CLUTCH PEDAL SAFETY SWITCH (PARK / NEUTRAL SIGNAL): B+ WHEN ACTIVATED
IPI1-36 CRANKSHAFT SENSOR SIGNAL: PULSED SIGNAL, 70 PULSES PER ENGINE CYCLE
SG PI1-37 CRANKSHAFT SENSOR SIGNAL GROUND: GROUND
OPI1-38 INTAKE MANIFOLD TUNING VALVE SOLENOID DRIVE – 1 / TOP: GROUND WHEN ACTIVATED
OPI1-39 INTAKE MANIFOLD TUNING VALVE SOLENOID DRIVE – 2 / BOTTOM: GROUND WHEN ACTIVATED
OPI1-40 EMS CONTROL RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
OPI1-41 STARTER RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
SG PI1-43 TP AND APP SIGNALS SHIELD: GROUND
IPI1-44 MASS AIR FLOW SENSOR SIGNAL: NOMINAL 0 – 5 V BY ENGINE OPERATING CONDITION
SG PI1-45 MASS AIR FLOW SENSOR GROUND: GROUND
SG PI1-46 MASS AIR FLOW SENSOR GROUND: GROUND
IPI1-50 ENGINE FUEL TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
OPI1-52 THROTTLE MOTOR RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
OPI1-53 GENERATOR CONTROL: VARIABLE VOLTAGE
SG PI1-54 THROTTLE MOTOR GROUND: GROUND
OPI1-55 HO2 SENSOR HEATER CONTROL – 2/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
OPI1-56 HO2 SENSOR HEATER CONTROL – 2/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
IPI1-65 GENERATOR FIELD RETURN SIGNAL: VARIABLE VOLTAGE BY GENERATOR OPERATING CONDITION
OPI1-66 EVAP CANISTER PURGE VALVE DRIVE: PWM, 10 Hz, POSITIVE DUTY CYCLE RANGE 7% – 100%
OPI1-67 EVAP CANISTER CLOSE VALVE DRIVE: TO CLOSE, ECM SWITCHES CIRCUIT TO GROUND
IPI1-68 BANK 2 CAMSHAFT SENSOR SIGNAL: PULSED SIGNAL, 4 PULSES PER ENGINE CYCLE
SG PI1-69 BANK 2 CAMSHAFT SENSOR GROUND: GROUND
IPI1-70 ENGINE COOLANT TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
IPI1-71 INTAKE AIR TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
IPI1-73 INJECTION PRESSURE SENSOR SIGNAL, NOMINAL 0 – 5 V: POTENTIOMETER – VOLTAGE INCREASES AS PRESSURE INCREASES
IPI1-75 THROTTLE POSITION SENSOR 1 SIGNAL: IDLE = 0.60 V; FULL THROTTLE = 4.30 V
IPI1-76 THROTTLE POSITION SENSOR 2 SIGNAL: IDLE = 1.48 V; FULL THROTTLE = 4.40 V
IPI1-78 ENGINE OIL TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
IPI1-79 GENERATOR FAULT; CHARGE WARNING
OPI1-80 THROTTLE MOTOR DRIVE: B+ TO ACTIVATE MOTOR
SG PI1-81 HO2 SENSOR HEATER GROUND – 2/1: GROUND
SG PI1-82 HO2 SENSOR HEATER GROUND – 2/1: GROUND
IPI1-83 HO2 SENSOR 1/1 SIGNAL: VARIABLE CURRENT
IPI1-84 HO2 SENSOR 1/1 SIGNAL: CONSTANT CURRENT
SG PI1-91 HO2 SENSOR HEATERS 1/2, 2/2 GROUND: GROUND
OPI1-92 HO2 SENSOR HEATER CONTROL – 1/2: PWM, 1 CYCLE PER 256 mS, POSITIVE DUTY CYCLE RANGE 0 mS = 0%, 77 mS = 30%, 256 mS = 100%
OPI1-93 HO2 SENSOR HEATER CONTROL – 2/2: PWM, 1 CYCLE PER 256 mS, POSITIVE DUTY CYCLE RANGE 0 mS = 0%, 77 mS = 30%, 256 mS = 100%
IPI1-94 BANK 1 CAMSHAFT SENSOR SIGNAL: PULSED SIGNAL, 4 PULSES PER ENGINE CYCLE
SG PI1-95 BANK 1 CAMSHAFT SENSOR GROUND: GROUND
IPI1-98 BANK 1 KNOCK SENSOR SIGNAL: VARIABLE VOLTAGE DEPENDENT ON ENGINE VIBRATION
IPI1-99 BANK 2 KNOCK SENSOR SIGNAL: VARIABLE VOLTAGE DEPENDENT ON ENGINE VIBRATION
SG PI1-100 SENSOR SHIELD: GROUND
IPI1-102 ACCELERATOR PEDAL POSITION SENSOR 1 SIGNAL: FOOT OFF = 0.75 V; FULLY DEPRESSED = 3.40 V (AUTO) 3.20 (MAN)
IPI1-103 ACCELERATOR PEDAL POSITION SENSOR 2 SIGNAL: FOOT OFF = 3.38 V; FULLY DEPRESSED = 2.05 V (AUTO) 2.14 V (MAN)
IPI1-104 FUEL TANK PRESSURE SENSOR SIGNAL, NOMINAL 0 – 5 V: VOLTAGE INCREASES AS PRESSURE INCREASES
DPI1-105 SERIAL DATA LINK: SERIAL COMMUNICATION
OPI1-106 THROTTLE MOTOR DRIVE: B+ TO ACTIVATE MOTOR
IPI1-107 HO2 SENSOR 2/1 SIGNAL: VARIABLE CURRENT
IPI1-108 HO2 SENSOR 2/1 SIGNAL: CONSTANT CURRENT
OPI1-109 BANK 1 VVT SOLENOID VALVE: PWM, 300Hz, POSITIVE DUTY CYCLE RANGE 0% – 100%
OPI1-110 BANK 2 VVT SOLENOID VALVE: PWM, 300Hz, POSITIVE DUTY CYCLE RANGE 0% – 100%
SG PI1-111 FUEL INJECTORS 2, 3, 5, 8 GROUND: GROUND
SG PI1-116 FUEL INJECTORS 1, 4, 6, 7 GROUND: GROUND
CPI1-123 CAN -
CPI1-124 CAN +
IPI1-127 MAP SENSOR SIGNAL, NOMINAL 0 – 5 V: VOLTAGE INCREASES AS MANIFOLD ABSOLUTE PRESSURE INCREASES
IPI1-128 HO2 SENSOR 1/2 SIGNAL, NOMINAL 1 V SWING: 0.1 – 0.9 V SWING
IPI1-129 HO2 SENSOR 2/2 SIGNAL, NOMINAL 1 V SWING: 0.1 – 0.9 V SWING
SG PI1-130 HO2 SENSORS SHIELD: GROUND
B+ PI1-134 THROTTLE MOTOR POWER SUPPLY: B+ WHEN RELAY ACTIVATED
NOTE: Refer to the Appendix at the rear of this book for Network Messages.