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. 02.1
COMPONENTS
Component Connector(s) Connector Description Location
BATTERY — — ENGINE COMPARTMENT
CLUTCH PEDAL SAFETY SWITCH PA5 2-WAY / BLACK TOP OF CLUTCH PEDAL
ENGINE CONTROL MODULE (2.5L & 3.0L) EN16 134-WAY / BLACK ENGINE COMPARTMENT, FRONT BULKHEAD RH SIDE
GENERAL ELECTRONIC CONTROL MODULE CA86 23-WAY / GREY BEHIND INSTRUMENT PANEL RH SIDE
CA87 23-WAY / GREEN
IP5 23-WAY / BROWN
IP6 23-WAY / WHITE
JB172 23-WAY / BLUE
GENERATOR EN49 4-WAY / BLACK ENGINE BANK 1, FRONT
IGNITION SWITCH IP18 7-WAY / BLACK STEERING COLUMN
INSTRUMENT CLUSTER IP10 26-WAY / YELLOW INSTRUMENT PANEL
IP11 26-WAY / YELLOW
PASSIVE ANTI-THEFT SYSTEM TRANSCEIVER IP15 4-WAY / GREEN STEERING COLUMN, IGNITION SWITCH
POWER DISTRIBUTION FUSE BOX — — ENGINE COMPARTMENT LH SIDE
STARTER MOTOR ST2 1-WAY EYELET ENGINE BLOCK RH SIDE
ST3 / EN700 1-WAY EYELET
STARTER RELAY — — POWER DISTRIBUTION FUSE BOX R10
TRANSMISSION RANGE SENSOR JB156 10-WAY / BLACK TOP OF TRANSMISSION
HARNESS IN-LINE CONNECTORS
Connector Connector Description Location
EN700 1-WAY / JUNCTION BOX HARNESS TO ENGINE HARNESS STARTER SOLENOID
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
GROUNDS
Ground Location
G13 ENGINE COMPARTMENT / ENGINE BLOCK
G16 ENGINE COMPARTMENT / UNDER BATTERY TRAY
G37 PASSENGER COMPARTMENT / LH CROSS CAR BEAM
FOR CONTROL MODULE PIN-OUT INFORMATION, UNFOLD PAGE TO LEFT.
CONTROL MODULE PIN-OUT INFORMATION
General Electronic Control Module
Pin Description and Characteristic
S IP5-18 SCP –
S IP5-19 SCP +
I IP6-8 KEY-IN IGNITION SWITCH: B+ WHEN KEY IN
Instrument Cluster
Pin Description and Characteristic
D IP10-3 PATS 1: ENCODED COMMUNICATION
D IP10-4 PATS 2: ENCODED COMMUNICATION
I IP10-5 PATS GROUND: GROUND
O IP10-6 PATS TRANSCEIVER POWER: B+
C IP10-17 CAN +
C IP10-18 CAN –
S IP10-22 SCP +
S IP10-23 SCP –
I IP11-7 BATTERY POWER SUPPLY: B+
I IP11-8 POWER GROUND: GROUND
I IP11-11 IGNITION SWITCHED POWER SUPPLY (II): B+
Engine Control Module (2.5L & 3.0L)
Pin Description and Characteristic
I EN16-006 ENGINE CRANK: B+
I EN16-031 PARK / NEUTRAL SWITCH (AUTOMATIC TRANSMISSION): NORMALLY CLOSED / GROUND WHEN ACTIVATED
I EN16-031 CLUTCH PEDAL SAFETY SWITCH (MANUAL TRANSMISSION): NORMALLY OPEN / B+ WHEN ACTIVATED
O EN16-041 STARTER RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
I EN16-053 GENERATOR CHARGE: VARIABLE VOLTAGE
O EN16-065 GENERATOR FIELD RETURN SIGNAL: VARIABLE VOLTAGE BY GENERATOR OPERATING CONDITION
I EN16-079 GENERATOR LOAD: B+ = NORMAL, AFTER-START SWITCH-ON; GROUND = GENERATOR FAILURE, AFTER-START SWITCH-ON
C EN16-123 CAN –
C EN16-124 CAN +
NOTE: Refer to the Appendix at the rear of this book for Network Messages.