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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. 03.3
COMPONENTS
Component Connector(s) Connector Description Location
BRAKE ON / OFF SWITCH PA3 3-WAY / BLACK TOP OF BRAKE PEDAL
CENTRAL JUNCTION FUSE BOX CA75 8-WAY / GREY PASSENGER COMPARTMENT, FRONT BULKHEAD LH SIDE
CA76 16-WAY / GREEN
CA77 2-WAY / GREY
CA78 16-WAY / GREY
IP1 14-WAY / GREEN
IP2 16-WAY / GREY
IP3 2-WAY / GREY
IP4 14-WAY / GREY
JB50 4-WAY / GREY
JB51 16-WAY / BLUE
JB52 2-WAY / BLACK
CKP SENSOR EN12 2-WAY / BLACK ADJACENT TO ENGINE CRANKSHAFT PULLEY
CMP SENSOR 1 EN43 2-WAY / BLACK BANK 1 CYLINDER HEAD, FRONT
CMP SENSOR 2 EN33 2-WAY / BLACK BANK 2 CYLINDER HEAD, FRONT
ECT SENSOR EN18 2-WAY / BLACK ENGINE VEE, FRONT
ENGINE CONTROL MODULE (2.0L) EN65 104-WAY / BLACK ENGINE COMPARTMENT, FRONT BULKHEAD RH SIDE
EOT SENSOR EN25 2-WAY / BLACK ADJACENT TO ENGINE OIL FILTER
EVAP CANISTER PURGE VALVE JB170 2-WAY / BLACK REARWARD OF FUEL TANK
HO2 SENSOR DOWNSTREAM 1/2 EN14 4-WAY / BLACK BANK 1 EXHAUST
HO2 SENSOR DOWNSTREAM 2/2 EN9 4-WAY / BLACK BANK 2 EXHAUST
HO2 SENSOR UPSTREAM 1/1 EN37 4-WAY / GREY BANK 1 EXHAUST
HO2 SENSOR UPSTREAM 2/1 EN32 4-WAY / GREY BANK 2 EXHAUST
IDLE SPEED CONTROL VALVE EN87 2-WAY / BLACK THROTTLE ASSEMBLY
IMT SOLENOID VALVE 1 EN999 2-WAY / BLACK INTAKE MANIFOLD TOP
IMT SOLENOID VALVE 2 EN998 2-WAY / BLACK INTAKE MANIFOLD BOTTOM
KNOCK SENSOR EN23 2-WAY / BLACK ENGINE VEE
MAF SENSOR EN6 5-WAY / BLACK ENGINE AIR INTAKE DUCT
MAP SENSOR EN8 4-WAY / BLACK INTAKE MANIFOLD, REAR
TP SENSOR (2.0L) EN88 3-WAY / BLACK ENGINE INTAKE MANIFOLD
VVT SOLENOID VALVE 1 EN61 2-WAY / BLACK BANK 1 CYLINDER HEAD
VVT SOLENOID VALVE 2 EN42 2-WAY / BLACK BANK 2 CYLINDER HEAD
HARNESS IN-LINE CONNECTORS
Connector Connector Description Location
CA10 22-WAY / GREY / ENGINE HARNESS TO CABIN HARNESS BELOW THE GLOVEBOX
CA170 16-WAY / GREEN / IN-LINE CONNECTOR LH LOWER A POST
JB1 42-WAY / BLACK / JUNCTION BOX HARNESS TO ENGINE HARNESS ADJACENT TO LH SUSPENSION TURRET
JB196 1O-WAY / GREY / JUNCTION BOX HARNESS TO CABIN HARNESS ADJACENT TO FOOT PEDALS
GROUNDS
Ground Location
G8 ENGINE COMPARTMENT / RH INNER WHEEL ARCH
FOR CONTROL MODULE PIN-OUT INFORMATION, UNFOLD PAGE TO LEFT.
CONTROL MODULE PIN-OUT INFORMATION
Engine Control Module (2.0L)
Pin Description and Characteristic
I EN65-001 MAP SENSOR SIGNAL, NOMINAL 0 – 5 V: VOLTAGE INCREASES AS MANIFOLD ABSOLUTE PRESSURE INCREASES
I EN65-002 AIR CONDITIONING PRESSURE SENSOR SIGNAL, NOMINAL 0 – 5 V: TRANSDUCER – VOLTAGE INCREASES AS PRESSURE INCREASES
SG EN65-003 SENSOR GROUND: GROUND
SG EN65-004 SMALL SIGNAL GROUND1: GROUND
SG EN65-005 SMALL SIGNAL GROUND 2: GROUND
I EN65-006 ENGINE CRANK: B+
SS EN65-011 SENSOR POWER SUPPLY: NOMINAL 5 V
PG EN65-018 POWER GROUND 2: GROUND
PG EN65-019 POWER GROUND 1: GROUND
B+ EN65-021 BATTERY POWER SUPPLY: B+
B+ EN65-022 EMS SWITCHED POWER SUPPLY 1: B+
B+ EN65-023 EMS SWITCHED POWER SUPPLY 2: B+
I EN65-025 HO2 SENSOR 2/1 SIGNAL: CONSTANT CURRENT
I EN65-026 HO2 SENSOR 2/1 SIGNAL: VARIABLE CURRENT
I EN65-027 THROTTLE POSITION SENSOR SIGNAL: CLOSED THROTTLE = 0.89 V; FULL THROTTLE = 4.50 V
SG EN65-028 SENSOR SHIELD: GROUND
SG EN65-029 MASS AIR FLOW SENSOR GROUND: GROUND
I EN65-030 MASS AIR FLOW SENSOR SIGNAL: NOMINAL 0 – 5 V BY ENGINE OPERATING CONDITION
SG EN65-031 MASS AIR FLOW SENSOR GROUND: GROUND
I EN65-034 BRAKE ON / OFF SWITCH: NORMALLY OPEN / B+ WHEN ACTIVATED
I EN65-035 GENERATOR LOAD: B+ = NORMAL, AFTER-START SWITCH-ON; GROUND = GENERATOR FAILURE, AFTER-START SWITCH-ON
I EN65-036 INERTIA SWITCH: NORMALLY CLOSED / GROUND WHEN ACTIVATED
I EN65-037 KNOCK SENSOR SIGNAL: PULSED SIGNAL
SG EN65-038 SENSOR SHIELD: GROUND
D EN65-039 SERIAL DATA LINK: SERIAL COMMUNICATION
I EN65-043 GENERATOR CHARGE: VARIABLE VOLTAGE
O EN65-044 COOLING FAN MODULE CONTROL: PWM, 140Hz, POSITIVE DUTY CYCLE RANGE 7% – 95%
O EN65-046 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%
O EN65-047 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%
SG EN65-048 HO2 SENSOR HEATER GROUND – 1/2 AND 2/2: GROUND
I EN65-050 HO2 SENSOR 1/1 SIGNAL: CONSTANT CURRENT
I EN65-051 HO2 SENSOR 1/1 SIGNAL: VARIABLE CURRENT
SG EN65-052 HO2 SENSOR HEATER GROUND – 2/1: GROUND
I EN65-053 HO2 SENSOR 1/2 SIGNAL, NOMINAL 1 V SWING: 0.1 – 0.9 V SWING
I EN65-054 HO2 SENSOR 2/2 SIGNAL, NOMINAL 1 V SWING: 0.1 – 0.9 V SWING
SG EN65-055 HO2 SENSORS SHIELD: GROUND
I EN65-059 BANK 1 CAMSHAFT SENSOR SIGNAL: PULSED SIGNAL, 4 PULSES PER ENGINE CYCLE
SG EN65-060 BANK 1 CAMSHAFT SENSOR GROUND: GROUND
I EN65-061 CRANKSHAFT SENSOR SIGNAL: PULSED SIGNAL, 70 PULSES PER ENGINE CYCLE
SG EN65-062 CRANKSHAFT SENSOR SIGNAL GROUND: GROUND
I EN65-063 IGNITION ON: B+
SG EN65-064 BANK 2 FUEL INJECTORS (2, 4, 6) GROUND: GROUND
O EN65-068 STARTER RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN65-069 EMS CONTROL RELAY DRIVE: TO ACTIVATE, ECM SWITCHES CIRCUIT TO GROUND
O EN65-070 INTAKE MANIFOLD TUNING VALVE SOLENOID DRIVE – 2 / BOTTOM: GROUND WHEN ACTIVATED
O EN65-071 INTAKE MANIFOLD TUNING VALVE SOLENOID DRIVE – 1 / TOP: GROUND WHEN ACTIVATED
O EN65-074 EVAP CANISTER PURGE VALVE DRIVE: PWM, 10 Hz, POSITIVE DUTY CYCLE RANGE 0.04% – 100%
SG EN65-075 HO2 SENSOR HEATER GROUND – 1/1: GROUND
O EN65-077 HO2 SENSOR HEATER CONTROL – 1/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
SG EN65-078 HO2 SENSOR HEATER GROUND – 2/1: GROUND
I EN65-079 ENGINE OIL TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
I EN65-080 ENGINE COOLANT TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
I EN65-081 INTAKE AIR TEMPERATURE SENSOR SIGNAL, NOMINAL 0 – 5 V: NTC SENSOR – VOLTAGE DECREASES AS TEMPERATURE INCREASES
I EN65-085 PARK / NEUTRAL SWITCH (AUTOMATIC TRANSMISSION) : NORMALLY CLOSED / GROUND WHEN ACTIVATED
I EN65-085 CLUTCH SAFETY CIRCUIT (MANUAL TRANSMISSION) : B+
I EN65-086 BANK 2 CAMSHAFT SENSOR SIGNAL: PULSED SIGNAL, 4 PULSES PER ENGINE CYCLE
SG EN65-087 BANK 2 CAMSHAFT SENSOR GROUND: GROUND
C EN65-088 CAN –
C EN65-089 CAN +
SG EN65-091 BANK 1 FUEL INJECTORS (1, 3, 5) GROUND: GROUND
O EN65-095 BANK 2 VVT SOLENOID VALVE: PWM, 300Hz, POSITIVE DUTY CYCLE RANGE 0% – 100%
O EN65-096 BANK 1 VVT SOLENOID VALVE: PWM, 300Hz, POSITIVE DUTY CYCLE RANGE 0% – 100%
O EN65-097 IDLE SPEED CONTROL VALVE MOTOR DRIVE (–): PWM
O EN65-098 IDLE SPEED CONTROL VALVE MOTOR DRIVE (+): PWM
SG EN65-102 HO2 SENSOR HEATER GROUND – 1/1: GROUND
O EN65-103 HO2 SENSOR HEATER CONTROL – 2/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
O EN65-104 HO2 SENSOR HEATER CONTROL – 1/1: PWM, 1 CYCLE PER 128 mS, VARIABLE DUTY CYCLE
NOTE: Refer to the Appendix at the rear of this book for Network Messages.