The following abbreviations are used to represent values for Control Module Pin-Out data
I Input PG Power Ground CAN CAN Network D Serial and Encoded Data
O Output SS Sensor / Signal Supply V SCP 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 characteristics 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: December 2001
Fig. 03.2
COMPONENTS
Component Connector(s) Connector Description Location
AIR CONDITIONING COMPRESSOR CLUTCH RELAY — — POWER DISTRIBUTION FUSE BOX R6
AIR CONDITIONING COMPRESSOR CLUTCH EN30 2-WAY / BLACK ADJACENT TO ENGINE OIL FILTER
AIR CONDITIONING PRESSURE SENSOR JB106 4-WAY / BLACK BEHIND FRONT LH WHEEL ARCH LINER
BRAKE CANCEL SWITCH PA2 2-WAY / BLACK TOP OF BRAKE PEDAL
CLUTCH CANCEL SWITCH PA4 5-WAY / BLACK TOP OF CLUTCH PEDAL
COOLING FAN – LH GC2 2-WAY / BLACK COOLING PACK LH SIDE
COOLING FAN – RH GC1 2-WAY / BLACK COOLING PACK RH SIDE
COOLING FAN MODULE JB188 2-WAY / BLACK ADJACENT TO RADIATOR LH SIDE
PWM1 4-WAY
ENGINE CONTROL MODULE (2.5L & 3.0L) EN16 134-WAY / BLACK ENGINE COMPARTMENT, FRONT BULKHEAD RH SIDE
FUEL INJECTOR 1 IL1 2-WAY / BLACK FUEL RAIL
FUEL INJECTOR 2 IL4 2-WAY / BLACK FUEL RAIL
FUEL INJECTOR 3 IL2 2-WAY / BLACK FUEL RAIL
FUEL INJECTOR 4 IL5 2-WAY / BLACK FUEL RAIL
FUEL INJECTOR 5 IL3 2-WAY / BLACK FUEL RAIL
FUEL INJECTOR 6 IL6 2-WAY / BLACK FUEL RAIL
FUEL PUMP FT2 4-WAY / BLACK FUEL TANK
FUEL PUMP MODULE CA105 10-WAY / BLACK UNDER REAR SEAT LH SIDE
IGNITION CAPACITOR EN94 2-WAY / BLACK BELOW AIR INTAKE
IGNITION MODULE AND COIL 1 EN51 4-WAY BANK 1 CYLINDER HEAD
IGNITION MODULE AND COIL 2 EN54 4-WAY BANK 2 CYLINDER HEAD
IGNITION MODULE AND COIL 3 EN52 4-WAY BANK 1 CYLINDER HEAD
IGNITION MODULE AND COIL 4 EN55 4-WAY BANK 2 CYLINDER HEAD
IGNITION MODULE AND COIL 5 EN53 4-WAY BANK 1 CYLINDER HEAD
IGNITION MODULE AND COIL 6 EN56 4-WAY BANK 2 CYLINDER HEAD
POWER DISTRIBUTION FUSE BOX — — ENGINE COMPARTMENT LH SIDE
SPEED CONTROL SWITCHES SW5 4-WAY / BLACK STEERING WHEEL
HARNESS IN-LINE CONNECTORS
Connector Connector Description Location
CA5 12-WAY / BLACK / CABIN HARNESS TO FUEL TANK LINK LEAD TOP OF FUEL TANK
CA10 22-WAY / GREY / ENGINE HARNESS TO CABIN HARNESS BELOW THE GLOVEBOX
CA170 16-WAY / GREEN / IN-LINE CONNECTOR LH LOWER A POST
EN4 12-WAY / BLACK / ENGINE HARNESS TO INJECTOR RAIL HARNESS ADJACENT TO THE TRANSMISSION BELL HOUSING
JB1 42-WAY / BLACK / JUNCTION BOX HARNESS TO ENGINE HARNESS ADJACENT TO LH SUSPENSION TURRET
JB2 16-WAY / GREEN / JUNCTION BOX HARNESS TO CABIN HARNESS ADJACENT TO CENTRAL JUNCTION FUSE BOX
JB129 22-WAY / GREY / INSTRUMENT PANEL HARNESS TO JUNCTION BOX HARNESS LH LOWER A POST
JB145 8-WAY / BLACK / ENGINE HARNESS TO JUNCTION BOX HARNESS ADJACENT TO CENTRAL JUNCTION FUSE BOX
JB187 2-WAY / BLACK / JUNCTION BOX HARNESS TO COOLING FAN MODULE LINK LEAD ADJACENT TO RADIATOR LH SIDE
GROUNDS
Ground Location
G8 ENGINE COMPARTMENT / RH INNER WHEEL ARCH
G11 ENGINE COMPARTMENT / UNDER LH HEADLAMP ASSEMBLY
G17 ENGINE COMPARTMENT / ON GENERATOR BRACKET
G35 PASSENGER COMPARTMENT / LH LOWER E POST
FOR CONTROL MODULE PIN-OUT INFORMATION, UNFOLD PAGE TO LEFT.
CONTROL MODULE PIN-OUT INFORMATION
Engine Control Module (2.5L & 3.0L)
Pin Description and Characteristic
I EN16-009 BRAKE CANCEL SWITCH: NORMALLY CLOSED / GROUND WHEN ACTIVATED
SS EN16-012 SENSOR POWER SUPPLY 1: NOMINAL 5 V
SG EN16-019 SENSOR GROUND 1: GROUND
I EN16-025 FUEL PUMP MODULE MONITOR: PWM, 1 Hz, 50% POSITIVE DUTY CYCLE = NORMAL, 25% POSITIVE DUTY CYCLE = NO CONTROL SIGNAL, 75% POSITIVE DUTY CYCLE = FUEL PUMP INOPERATIVE
O EN16-027 FUEL PUMP MODULE CONTROL: PWM, 250 Hz, NORMAL POSITIVE DUTY CYCLE RANGE = 4% – 51%
I EN16-033 CLUTCH CANCEL SWITCH: NORMALLY CLOSED / GROUND WHEN ACTIVATED
O EN16-034 AIR CONDITIONING COMPRESSOR CLUTCH RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
I EN16-047 SPEED CONTROL SWITCH REQUEST: STEPPED RESISTANCE
SG EN16-048 SPEED CONTROL SWITCHES SIGNAL GROUND: GROUND
O EN16-051 COOLING FAN MODULE CONTROL: PWM, 140 Hz, POSITIVE DUTY CYCLE RANGE 7% – 95%
O EN16-061 IGNITION COIL ACTIVATE – CYLINDER 2: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-062 IGNITION COIL ACTIVATE – CYLINDER 4: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-063 IGNITION COIL ACTIVATE – CYLINDER 6: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-087 IGNITION COIL ACTIVATE – CYLINDER 1: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-088 IGNITION COIL ACTIVATE – CYLINDER 3: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-089 IGNITION COIL ACTIVATE – CYLINDER 5: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-113 FUEL INJECTOR DRIVE – CYLINDER 5: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-114 FUEL INJECTOR DRIVE – CYLINDER 3: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-115 FUEL INJECTOR DRIVE – CYLINDER 1: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-118 FUEL INJECTOR DRIVE – CYLINDER 6: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-119 FUEL INJECTOR DRIVE – CYLINDER 4: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
O EN16-120 FUEL INJECTOR DRIVE – CYLINDER 2: TO ACTIV ATE, ECM SWITCHES CIRCUIT TO GROUND
I EN16-121 AIR CONDITIONING PRESSURE SENSOR SIGNAL, NOMINAL 0 – 5 V: TRANSDUCER – VOLTAGE INCREASES AS PRESSURE INCREASES
I EN16-131 IGNITION MONITOR BANK 1 (1, 3, 5): PULSED SIGNAL, 3 PULSES PER ENGINE CYCLE
I EN16-132 IGNITION MONITOR BANK 2 (2, 4, 6): PULSED SIGNAL, 3 PULSES PER ENGINE CYCLE
SG EN16-133 FUEL PUMP CONTROL CIRCUIT SHIELD: GROUND