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Wiring diagrams Section: Testing & Diagnostics

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Engine Control System - System Testing & Engine Component Tests: Overview Saturn SL II

Testing & Diagnostics ~405 words

MODEL IDENTIFICATION

Vehicle model is identified by fourth character of Vehicle Identification Number (VIN). VIN is stamped on metal pad on top of left end of instrument panel, near windshield. See MODEL IDENTIFICATION table.

Body Code (1)	Model
"C"	Park Avenue
"E"	Eldorado
"F"	Camaro & Firebird
"G"	Aurora & Riviera
"H"	Bonneville, Eighty Eight, LeSabre & LSS
"J"	Cavalier & Sunfire
"K"	(2) DeVille & Seville
"N"	Alero, Cutlass, Grand Am & Malibu
"V"	Catera
"W"	Century, Grand Prix, Intrigue, Lumina, Monte Carlo & Regal
"Y"	Corvette
"Z"	Saturn
(1) Vehicle body code is fourth character of VIN. (2) Includes Concours and D'Elegance.

(1)	Vehicle body code is fourth character of VIN.

(2)	Includes Concours and D'Elegance.

MODEL IDENTIFICATION

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (2.2L & 2.4L)

Connector	Terminal No.	Wire Color	Function
C1	1-5	—	Not Used
C1	6	(2) BLK	Fuel Tank Pressure Sensor Ground
C1	7	BRN/WHT	Camshaft Position Sensor Signal
C1	8	PPL/WHT	Crankshaft Position Sensor 7x Reference Signal
C1	9	—	Not Used
C1	10	GRY	Fuel Tank Pressure Sensor Reference Voltage
C1	11-13	—	Not Used
C1	14	TAN	(3) (4) Serial Data (UART)
C1	15-17	—	Not Used
C1	18	BLK/WHT	Powertrain Control Module Ground
C1	19	PNK	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	DK BLU	Throttle Position Sensor Signal
C1	22-24	—	Not Used
C1	25	ORG	Ignition Control Output 2-3
C1	26	WHT	Ignition Control Output 1-4
C1	27	TAN/BLK	Engine Oil Pressure Sensor Signal
C1	28	RED	Transaxle Range "C" Input
C1	29	BLK/WHT	Transaxle Range "A" Input
C1	30 & 31	—	Not Used
C1	32	GRY	(5) Knock Sensor Reference Low (W/O EGR)
C1	33	DK BLU	(3) (6) Knock Sensor Signal (With EGR)
C1	34	DK BLU	(5) Knock Sensor Signal (W/O EGR)
C1	35	PPL	Torque Converter Clutch Brake Switch Input
C1	36-44	—	Not Used
C1	45	DK GRN	Fuel Tank Pressure Sensor Signal
C1	46	YEL/BLK	Transmission Fluid Temperature Sensor Signal
C1	47 & 48	—	Not Used
C1	49	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C1	50	YEL/BLK	(3) (4) Engine Coolant Level Switch Input
C1	51	—	Not Used
C1	52	BLK	A/C Refrigerant Pressure Sensor Ground
C1	53	GRY	Generator Terminal "F" Signal
C1	54	YEL	Engine Coolant Temperature Sensor Signal
C1	55	—	(3) (5) (6) Fuel Level Input Reference Voltage
C1	56	—	Not Used
C1	57	BLK	Throttle Position Sensor Ground
C1	58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	(7) TAN/WHT	Powertrain Control Module Ground
C1	61	(8) PNK	Ignition Positive Voltage
C1	62	LT GRN	Manifold Absolute Pressure Sensor Signal
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	—	Not Used
C1	66	BLK	(3) (5) (6) EGR Valve Ground
C1	67	DK BLU	Transmission Range "B" Input
C1	68	PNK	Transmission Range "A" Input
C1	69	YEL	Transmission Range Switch Input "B"
C1	70 & 71	—	Not Used
C1	72	GRY	Transmission Range Switch Input "C"
C1	73	WHT	Transmission Range Switch Input "P"
C1	74	RED	Generator Terminal "L" Output
C1	75	BLK	Fuel Injector No. 1 Driver
C1	76	LT GRN/BLK	Fuel Injector No. 2 Driver
C1	77-80	—	Not Used
C2	1-5	—	Not Used
C2	6	RED/BLK	Pressure Control Solenoid High Control
C2	7	RED	(3) (5) (6) EGR Valve Ignition Feed
C2	8	DK GRN/WHT	Fuel Pump Relay Control
C2	9	LT BLU/WHT	Pressure Control Solenoid Low Control
C2	10	WHT	(4) (5) (6) Tachometer Output
C2	11-13	—	Not Used
C2	14	(9) BLK/WHT	Manifold Absolute Pressure Sensor Ground
C2	15	—	Not Used
C2	16	DK GRN/WHT	Vehicle Speed Sensor Output
C2	17 & 18	—	Not Used
C2	19	BRN	(3) (5) (6) EGR Pintle Position Signal
C2	20	TAN	Intake Air Temperature Sensor Signal
C2	21	(10) TAN	Heated Oxygen Sensor No. 1 Low
C2	22	PPL	Heated Oxygen Sensor No. 1 Signal
C2	23	TAN/WHT	Heated Oxygen Sensor No. 2 Low
C2	24	PPL/WHT	Heated Oxygen Sensor No. 2 Signal
C2	25 & 26	—	Not Used
C2	27	(7) BRN	Engine Coolant Temperature Sensor Ground
C2	28	(11) GRY	Intake Air Temperature Sensor Ground
C2	29	(12) BLK	Transmission Fluid Temperature Sensor Ground
C2	30	—	Not Used
C2	31	RED/BLK	Ignition Control Module Reference Low
C2	32	BRN/WHT	(3) (5) (6) EGR Valve Reference Voltage
C2	33	(13) GRY	Throttle Position Sensor Reference Voltage
C2	34	GRY	A/C Refrigerant Pressure Sensor Reference Voltage
C2	35	(14) GRY	Manifold Absolute Pressure Sensor Reference Voltage
C2	36	RED	Camshaft Position Sensor Battery Positive Voltage
C2	37-44	—	Not Used
C2	45	DK GRN	Cruise Disable Output
C2	46	BRN/WHT	Malfunction Indicator Light Control
C2	47	—	Not Used
C2	48	LT BLU/BLK	Cruise Engaged Input
C2	49	YEL	Torque Converter Clutch Release Switch Input
C2	50	TAN/BLK	(3) (4) (5) Torque Converter Clutch Solenoid Control
C2	51	YEL/BLK	2-3 Shift Solenoid Valve Control
C2	52	—	Not Used
C2	53	LT GRN	1-2 Shift Solenoid Valve Control
C2	54	DK GRN	Cooling Fan Relay Control
C2	55	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	56	DK GRN/WHT	EVAP Canister Purge Valve Driver
C2	57	BRN	Torque Converter Clutch PWM Solenoid Valve Control
C2	58	WHT	EVAP Canister Vent Solenoid Driver
C2	59	DK BLU	(5) (6) Cooling Fan Relay Control
C2	60	—	Not Used
C2	61	PPL	Vehicle Speed Sensor Low
C2	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C2	63	PNK/BLK	Camshaft Position Sensor Ground
C2	64	BLK/WHT	Powertrain Control Module Ground
C2	65-70	—	Not Used
C2	71	LT BLU/WHT	Idle Air Control Coil "A" High
C2	72	LT GRN/WHT	Idle Air Control Coil "B" High
C2	73	LT GRN/BLK	Idle Air Control Coil "B" Low
C2	74	LT BLU/BLK	Idle Air Control Coil "A" Low
C2	75	LT BLU/BLK	Fuel Injector No. 4 Driver
C2	76	PNK/BLK	Fuel Injector No. 3 Driver
C2	77-80	—	Not Used
(1) (Схема №1) (2) Orange/Black wire on 2.2L Cavalier and Sunfire. (3) Not used on 2.4L Malibu. (4) Not used on 2.4L Alero and Grand Am. (5) Not used on 2.2L Cavalier and Sunfire. (6) Not used on 2.4L Cavalier and Sunfire. (7) Black/White wire on Alero, Grand Am and Malibu. (8) Purple wire on Alero, Grand Am and Malibu. (9) Orange/Black wire on Alero, Grand Am and Malibu. (10) Black/White wire on Malibu. (11) Black wire on Alero, Grand Am and Malibu. (12) White/Black wire on Alero, Grand Am and Malibu. (13) Gray/Black wire on Alero, Grand Am and Malibu. (14) Brown wire on Alero, Grand Am and Malibu.

(1)	(Схема №1)

(2)	Orange/Black wire on 2.2L Cavalier and Sunfire.

(3)	Not used on 2.4L Malibu.

(4)	Not used on 2.4L Alero and Grand Am.

(5)	Not used on 2.2L Cavalier and Sunfire.

(6)	Not used on 2.4L Cavalier and Sunfire.

(7)	Black/White wire on Alero, Grand Am and Malibu.

(8)	Purple wire on Alero, Grand Am and Malibu.

(9)	Orange/Black wire on Alero, Grand Am and Malibu.

(10)	Black/White wire on Malibu.

(11)	Black wire on Alero, Grand Am and Malibu.

(12)	White/Black wire on Alero, Grand Am and Malibu.

(13)	Gray/Black wire on Alero, Grand Am and Malibu.

(14)	Brown wire on Alero, Grand Am and Malibu.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (2.2L & 2.4L) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - CENTURY)

Connector	Terminal No.	Wire Color	Function
C1	1	BLK	Transmission Fluid Temperature Sensor Ground
C1	2 & 3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position PWM Input
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 24x Sensor Reference
C1	10	GRY	Manifold Absolute Pressure High
C1	11 & 12	—	Not Used
C1	13	ORG/BLK	Engine Coolant Temperature/Manifold Absolute Pressure Sensor Ground
C1	14 & 15	—	Not Used
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PPL	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BLK	EGR Pintle Position Sensor Ground
C1	32	GRY	EGR Valve Control
C1	33	DK BLU	Knock Sensor Signal
C1	34-37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39-42	—	Not Used
C1	43	BLK	Fuel Injector No. 1 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve
C1	45	—	Not Used
C1	46	PNK/BLK	Fuel Injector No. 3 Control
C1	47	LT GRN/BLK	Fuel Injector No. 2 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Sensor Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	DK GRN	Serial Data (Class II)
C1	59	—	Not Used
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62 & 63	—	Not Used
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70 & 71	—	Not Used
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	BLK/WHT	Fuel Injector No. 5 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN/WHT	EVAP Canister Purge Valve Control
C1	77 & 78	—	Not Used
C1	79	YEL/BLK	Fuel Injector No. 6 Control
C1	80	BLK	A/C Refrigerant Pressure Sensor Ground
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Solenoid Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	WHT	EGR Valve Ignition Positive Voltage
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	—	Not Used
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8 & 9	—	Not Used
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal High
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal High
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "P"
C2	17	—	Not Used
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19	TAN/BLK	Engine Oil Pressure Switch Input
C2	20 & 21	—	Not Used
C2	22	DK GRN/WHT	A/C Request
C2	23	PPL	Ignition Positive Voltage (Start Only)
C2	24	PNK	Ignition Positive Voltage (Run/Start)
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" Monitor
C2	30	GRY	5-Volt Reference "A"
C2	31 & 32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	BLK	Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	LT BLU/BLK	Fuel Injector No. 4 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45-48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	—	Not Used
C2	58	BRN	Engine Oil Level Switch Input
C2	59	WHT	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62-65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	PPL	Fuel Level Sensor Input
C2	70	LT GRN	Crankshaft Position Sensor Battery Positive Voltage
C2	71	—	Not Used
C2	72	RED/WHT	Camshaft Position Sensor Battery Positive Voltage
C2	73	BLK	Camshaft Position Sensor Ground
C2	74	YEL/BLK	Crankshaft Position Sensor Ground
C2	75	—	Not Used
C2	76	YEL/BLK	Starter Enable Control
C2	77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79	TAN/BLK	Torque Converter Clutch Solenoid Control
C2	80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - CENTURY) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - CUTLASS & MALIBU)

Connector	Terminal No.	Wire Color	Function
C1	1	BLK	Transaxle Fluid Temperature Sensor Ground
C1	2 & 3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BRN/WHT	Camshaft Position Sensor Signal
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference Signal
C1	9	LT BLU/BLK	Crankshaft Position 24x Sensor Signal
C1	10	GRY	Manifold Absolute Pressure Sensor Reference Voltage
C1	11	—	Not Used
C1	12	BLK	Engine Coolant Temperature Sensor Ground
C1	13	BLK/WHT	Manifold Absolute Pressure Sensor Ground
C1	14 & 15	—	Not Used
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	GRY	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PPL	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A" Input
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch
C1	31	BLK	EGR Pintle Position Sensor Ground
C1	32	GRY/BLK	EGR Control Ground
C1	33	DK BLU	Knock Sensor Signal
C1	34-37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39-42	—	Not Used
C1	43	BLK	Fuel Injector No. 1 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Control
C1	45	—	Not Used
C1	46	PNK/BLK	Fuel Injector No. 3 Control
C1	47	LT GRN/BLK	Fuel Injector No. 2 Control
C1	48	RED/BLK	IC Control
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Sensor Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B" Signal
C1	69	YEL	Mass Airflow Sensor Signal
C1	70 & 71	—	Not Used
C1	72	DK GRN	Cruise Control Disable/Inhibit Signal
C1	73	BLK/WHT	Fuel Injector No. 5 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN/WHT	EVAP Canister Purge Valve Control
C1	77 & 78	—	Not Used
C1	79	YEL/BLK	Fuel Injector No. 6 Control
C1	80	BLK	A/C Refrigerant Pressure Sensor Ground
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	RED	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	—	Not Used
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8	WHT	Tachometer Control
C2	9	—	Not Used
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "P"
C2	17	RED	Transmission Range "C" Input
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19	TAN/BLK	Engine Oil Pressure Sensor Signal
C2	20 & 21	—	Not Used
C2	22	DK GRN/WHT	A/C Request
C2	23	—	Not Used
C2	24	PNK	Ignition Positive Voltage (Run/Crank)
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN/WHT	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" Monitor
C2	30	GRY	EGR Valve Reference Voltage
C2	31	—	Not Used
C2	32	GRY	Fuel Tank Pressure Sensor Reference Voltage
C2	33	GRY	Throttle Position Sensor Reference Voltage
C2	34	GRY	A/C Refrigerant Pressure Sensor Reference Voltage
C2	35	ORG/BLK	Fuel Tank Pressure Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	LT BLU/BLK	Fuel Injector No. 4 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Switch Input
C2	59	LT BLU/BLK	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Transaxle TCC Release Switch Input
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	—	Not Used
C2	70	LT GRN	Crankshaft Position 24x Sensor Ignition Positive Voltage
C2	71	—	Not Used
C2	72	RED	Camshaft Position Sensor Ignition Positive Voltage
C2	73	PNK/BLK	Camshaft Position Sensor Ground
C2	74	YEL/BLK	Crankshaft Position 24x Sensor Ground
C2	75-77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - CUTLASS & MALIBU) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - GRAND PRIX, LUMINA & MONTE CARLO)

Connector	Terminal No.	Wire Color	Function
C1	1	BLK	(2) Transmission Fluid Temperature Sensor Ground
C1	2	—	Not Used
C1	3	ORG	Fuel Gauge Control
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	(3) BLK	Camshaft Position Sensor Signal
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference High
C1	9	LT BLU/BLK	Crankshaft Position 24x Sensor Signal
C1	10	GRY	(2) Manifold Absolute Pressure Sensor Reference Voltage
C1	11 & 12	—	Not Used
C1	13	ORG/BLK	(2) MAP & ECT Sensor Ground
C1	14	—	Not Used
C1	15	TAN	Serial Data (UART)
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PNK	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Low
C1	30	PPL	Torque Converter Clutch/Brake Light Switch
C1	31	BLK	(2) EGR Sensor Ground
C1	32	(4) GRY/BLK	EGR Valve Control Low
C1	33	DK BLU	Knock Sensor Signal
C1	34 & 35	—	Not Used
C1	36	BRN	Charge Warning Indicator Control
C1	37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39-42	—	Not Used
C1	43	BLK	Fuel Injector No. 1 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	PNK/BLK	Fuel Injector No. 3 Control
C1	47	LT GRN/BLK	Fuel Injector No. 2 Control
C1	48	RED/BLK	Crankshaft Position 3x Sensor Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN	Vehicle Speed Sensor Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	(2) Throttle Position Sensor Return
C1	62 & 63	—	Not Used
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70	DK BLU	Theft Deterrent Fuel Enable Signal
C1	71	—	Not Used
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	BLK/WHT	Fuel Injector No. 5 Control
C1	74	—	Not Used
C1	75	DK GRN	(2) Hot Coolant Temperature Indicator Control
C1	76	DK GRN/WHT	EVAP Canister Purge Valve Control
C1	77 & 78	—	Not Used
C1	79	YEL/BLK	Fuel Injector No. 6 Control
C1	80	BLK	(2) AC Pressure Sensor Ground
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	(5) RED	EGR Valve Ignition System Voltage
C2	5	BRN/WHT	Malfunction Control
C2	6	BRN/WHT	Low Oil Level Indicator Control
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8	WHT	(2) Tachometer Control
C2	9	—	Not Used
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "D"
C2	17	—	Not Used
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19-21	—	Not Used
C2	22	(6) LT GRN	A/C Request
C2	23 & 24	—	Not Used
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	—	Not Used
C2	30	GRY	(2) 5-Volt Reference
C2	31 & 32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	BLK	(2) Fuel Tank Pressure Sensor Ground
C2	36	GRY	Change Oil Soon Indicator Control Circuit
C2	37 & 38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	LT BLU/BLK	Fuel Injector No. 4 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45-48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	—	Not Used
C2	58	BRN	Engine Oil Level Sensor Input
C2	59	WHT	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62-65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	(7) YEL	Transaxle Fluid Temperature Sensor
C2	69	PPL	Fuel Level Sensor Signal
C2	70	LT GRN	(2) Crankshaft Position 24x Sensor Battery Positive Voltage
C2	71	—	Not Used
C2	72	RED/WHT	CMP/CKP Sensor Battery Positive Voltage
C2	73	BLK	Camshaft Position/Crankshaft Position Sensor Ground
C2	74	YEL/BLK	(2) Crankshaft Position 24x Sensor Ground
C2	75-77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79	TAN/BLK	Torque Converter Clutch Solenoid
C2	80	—	Not Used
(1) (Схема №1) (2) Not used on Lumina and Monte Carlo. (3) Black/White wire on Grand Prix. (4) Red wire on Grand Prix. (5) Gray wire on Grand Prix. (6) Dark Green/White wire on Grand Prix. (7) Yellow/Black wire on Grand Prix.

(1)	(Схема №1)

(2)	Not used on Lumina and Monte Carlo.

(3)	Black/White wire on Grand Prix.

(4)	Red wire on Grand Prix.

(5)	Gray wire on Grand Prix.

(6)	Dark Green/White wire on Grand Prix.

(7)	Yellow/Black wire on Grand Prix.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - GRAND PRIX, LUMINA & MONTE CARLO) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.4L - ALERO & GRAND AM)

Connector	Terminal No.	Wire Color	Function
C1	1	WHT/BLK	Transmission Fluid Temperature Sensor Low
C1	2 & 3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BRN/WHT	Camshaft Position Sensor Signal
C1	8	PPL/WHT	Crankshaft Position 3x Reference High
C1	9	LT BLU/BLK	Crankshaft Position 24x Sensor Signal
C1	10	BRN	5-Volt Reference "A"
C1	11	—	Not Used
C1	12	BLK/WHT	Engine Coolant Temperature Sensor Ground
C1	13	BLK/WHT	Manifold Absolute Pressure Sensor Ground
C1	14 & 15	—	Not Used
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PPL	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Pressure Switch Manifold
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Low
C1	30	PPL	Torque Converter Clutch Brake Switch
C1	31	BLK	EGR Sensor Ground
C1	32	GRY	EGR Valve Ignition Positive Voltage
C1	33	DK BLU	Knock Sensor Signal
C1	34-37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39-42	—	Not Used
C1	43	BLK	Fuel Injector No. 1 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	LT PNK/BLK	Fuel Injector No. 3 Control
C1	47	LT GRN/BLK	Fuel Injector No. 2 Control
C1	48	RED/BLK	Crankshaft Position 3x Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	PPL	Serial Data (Class II)
C1	59	—	Not Used
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	Transmission Input Shaft Speed Low
C1	63	RED/BLK	Transmission Input Shaft Speed High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70 & 71	—	Not Used
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	BLK/WHT	Fuel Injector No. 5 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN/WHT	EVAP Canister Purge Valve Control
C1	77 & 78	—	Not Used
C1	79	YEL/BLK	Fuel Injector No. 6 Control
C1	80	BLK	A/C Refrigerant Pressure Sensor Ground
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Solenoid Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	RED	EGR Valve Ignition System Voltage
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	—	Not Used
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8 & 9	—	Not Used
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "P"
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19	TAN/BLK	Engine Oil Pressure Switch
C2	20-23	—	Not Used
C2	24	PNK	Ignition Positive Voltage
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN/WHT	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" Monitor
C2	30	BRN/WHT	EGR 5-Volt Reference
C2	31	—	Not Used
C2	32	GRY	Fuel Tank Pressure Sensor 5-Volt Reference
C2	33	GRY/BLK	Throttle Position Sensor 5-Volt Reference
C2	34	GRY	A/C Refrigerant Pressure Sensor 5-Volt Reference
C2	35	ORG/BLK	Fuel Tank Pressure Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	LT BLU/BLK	Fuel Injector No. 4 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Trans Force Motor High
C2	46	LT BLU/WHT	Trans Force Motor Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch Manifold "B"
C2	58	BRN	Engine Oil Level Switch Input
C2	59	LT BLU/BLK	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Torque Converter Clutch Release
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	PPL	Fuel Level Sensor Input
C2	70	RED/WHT	Crankshaft Position 24x Sensor Battery Positive Voltage
C2	71	—	Not Used
C2	72	RED/WHT	Camshaft Position Sensor Battery Positive Voltage
C2	73	BLK	Camshaft Position Sensor Ground
C2	74	BLK	Crankshaft Position 24x Sensor Ground
C2	75-77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.4L - ALERO & GRAND AM) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.5L - INTRIGUE)

Connector	Terminal No.	Wire Color	Function
C1	1-3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan Relays No. 2 & 3 Control
C1	6	DK GRN	Cooling Fan Relay No. 1 Control
C1	7	ORG	Camshaft Position Sensor Signal
C1	8	LT BLU/WHT	Crankshaft Position Sensor "A" Signal
C1	9	YEL	Crankshaft Position Sensor "B" Signal
C1	10 & 11	—	Not Used
C1	12	BLK	Engine Coolant Temperature Sensor Ground
C1	13	ORG/BLK	Manifold Absolute Pressure Sensor Ground
C1	14 & 15	—	Not Used
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PPL	Powertrain Control Module Ignition Feed
C1	20	ORG	Powertrain Control Module Battery
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A"
C1	23	LT BLU	Power Steering Pressure Switch Input
C1	24-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 (Post-Converter) Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BRN	EGR Pintle Sensor Ground
C1	32	GRY	EGR Valve Control Ground
C1	33	DK BLU	Knock Sensor Signal
C1	34-37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Coil "B" High
C1	39-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	PPL	AIR Solenoid Valve (If Equipped)
C1	46	LT GRN/BLK	Fuel Injector No. 2 Control
C1	47	BLK	Fuel Injector No. 1 Control
C1	48	RED/BLK	Reference Low (Ignition Coil Modules)
C1	49	PPL	Ignition Control No. 1
C1	50	RED/WHT	Ignition Control No. 2
C1	51	LT BLU/WHT	Ignition Control No. 6
C1	52	DK GRN	Ignition Control No. 5
C1	53	DK GRN/WHT	Ignition Control No. 4
C1	54	LT BLU	Ignition Control No. 3
C1	55	DK GRN/WHT	Vehicle Speed Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	DK GRN	Serial Data (Class II)
C1	59	—	Not Used
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch Input "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70	—	Not Used
C1	71	ORG/BLK	Desired Torque Input
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	LT BLU/BLK	Fuel Injector No. 4 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN/WHT	EVAP Canister Purge Solenoid Valve Control
C1	77 & 78	—	Not Used
C1	79	BLK/WHT	Fuel Injector No. 5 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Solenoid Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	RED	EGR Valve Solenoid Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	—	Not Used
C2	7	LT BLU/WHT	Idle Air Control Coil "A" High
C2	8	WHT	TACH Output
C2	9	TAN/BLK	Delivered Torque Output
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 (Post-Converter) Signal
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch Parity Input
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch Input "A"
C2	19	TAN/BLK	Engine Oil Pressure Switch Input
C2	20 & 21	—	Not Used
C2	22	DK GRN/WHT	A/C Request Signal
C2	23	PPL	Crank Request
C2	24	PNK	Powertrain Control Module Ignition Feed
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" (Field) Input
C2	30-32	—	Not Used
C2	33	GRY	5-Volt Reference "A" (TP, MAP, EGR)
C2	34	GRY	5-Volt Reference "B" (FTP, A/C Refrigerant Pressure Sensor)
C2	35	BLK	Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Coil "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Coil "B" Low
C2	50	TAN	Intake Air Temperature Sensor Signal
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Input
C2	56	GRY	Transaxle Range Switch Input "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Indicator Input
C2	59	WHT	Cruise Control Engaged Input
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Output
C2	62	—	Not Used
C2	63	YEL	Torque Converter Clutch Release Switch
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor Signal
C2	69	PPL	Fuel Level Sensor Input
C2	70 & 71	—	Not Used
C2	72	RED	Camshaft Position/Crankshaft Position Sensor Power
C2	73	PNK/BLK	Reference Low
C2	74	—	Not Used
C2	75	BRN	AIR Pump Relay Control (If Equipped)
C2	76	YEL/BLK	Crank Relay Control
C2	77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Valve Control
C2	79 & 80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.5L - INTRIGUE) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - BONNEVILLE, EIGHTY EIGHT, LE SABRE & RIVIERA)

Connector	Terminal No.	Wire Color	Function
C1	1	—	Not Used
C1	2	PPL	(2) CCR Brake Throttle Input
C1	3	PPL/WHT	(2) Fuel Level Output
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position PCM Input
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 18x Sensor Reference
C1	10 & 11	—	Not Used
C1	12	BLK	Engine Coolant Temperature Sensor Ground
C1	13	ORN/BLK	Manifold Absolute Pressure Sensor Ground
C1	14	—	Not Used
C1	15	TAN	Serial Data (UART)
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	RED/BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PNK	Ignition Positive Voltage
C1	20	RED	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A" Input
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BLK	EGR Pintle Position Sensor Ground
C1	32	GRY	EGR Valve Ground
C1	33	DK BLU	Bank No. 1 Knock Sensor Signal
C1	34	LT BLU	Bank No. 2 Knock Sensor Signal
C1	35	—	Not Used
C1	36	BRN	(2) Volt Indicator Control
C1	37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39	BRN	(2) Fuel Pump PWM Control
C1	40-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	LT BLU/BLK	Fuel Injector No. 4 Control
C1	47	BLK/WHT	Fuel Injector No. 5 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Sensor Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66	—	Not Used
C1	67	PNK/BLK	(2) Oil Life Reset Input
C1	68	YEL	Transaxle Range Switch Input "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70	DK BLU	Theft Deterrent Fuel Enable Input
C1	71	ORN/BLK	Traction Control Desired Torque Input
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	LT GRN/BLK	Fuel Injector No. 2 Control
C1	74	—	Not Used
C1	75	DK GRN	(2) Hot Coolant Indicator Control
C1	76	DK GRN/WHT	EVAP Canister Purge Control
C1	77 & 78	—	Not Used
C1	79	BLK	Fuel Injector No. 1 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	WHT	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	BRN/WHT	Oil Level Indicator Control
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8	—	Not Used
C2	9	TAN/BLK	Traction Control Delivered Torque Control
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch Input "P"
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch Input "A"
C2	19-21	—	Not Used
C2	22	LT GRN	(2) A/C Request
C2	23	PPL	Crank Signal
C2	24	PNK	(3) Ignition Positive Voltage
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" Monitor
C2	30-32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	BLK	Sensor Ground
C2	36	GRY	(2) Oil Life Indicator Control
C2	37-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" High
C2	50	TAN	Intake Air Temperature Sensor Signal
C2	51	—	Not Used
C2	52	LT BLU	(2) Shift Select Switch Input
C2	53 & 54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch Input "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Sensor Signal
C2	59	(4) WHT	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Torque Converter Clutch Release Switch Input
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	PPL	(2) Fuel Level Input
C2	70-75	—	Not Used
C2	76	YEL	Starter Enable
C2	77	GRY	Boost Control Solenoid Control
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1) (2) Not used on Riviera. (3) Not used on Bonneville, Eighty Eight and Le Sabre. (4) Light Blue/Black wire on Riviera.

(1)	(Схема №1)

(2)	Not used on Riviera.

(3)	Not used on Bonneville, Eighty Eight and Le Sabre.

(4)	Light Blue/Black wire on Riviera.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - BONNEVILLE, EIGHTY EIGHT, LE SABRE & RIVIERA) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - CAMARO & FIREBIRD)

Connector	Terminal No.	Wire Color	Function
C1	1	—	Not Used
C1	2	PPL/WHT	2nd Gear Start Indicator (4L60E Only)
C1	3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position Sensor Signal
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 18x Sensor Reference
C1	10 & 11	—	Not Used
C1	12	BRN	Engine Coolant Temperature Sensor Ground
C1	13	ORG/BLK	Manifold Absolute Pressure Sensor Ground
C1	14	ORG/BLK	TAC Serial Data
C1	15	TAN	TAC Serial Data
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	PPL	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PNK	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Range "A" Input (4L60E Only)
C1	23-26	—	Not Used
C1	27	TAN/WHT	Heated Oxygen Sensor No. 1 Signal Low (Bank No. 1)
C1	28	GRY	Heated Oxygen Sensor No. 3 Signal Low (Bank No. 1)
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low (Bank No. 2)
C1	30	PPL	Torque Converter Clutch Brake Switch Signal (4L60E Only)
C1	31	BLK	Sensor Ground (EGR)
C1	32	GRY	EGR Valve Ground
C1	33	DK BLU	Bank No. 1 Knock Sensor Signal
C1	34	LT BLU	Bank No. 2 Knock Sensor Signal
C1	35-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Control (4L60E Only)
C1	45	—	Not Used
C1	46	LT BLU/BLK	Fuel Injector No. 4 Control
C1	47	BLK/WHT	Fuel Injector No. 5 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Sensor Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	—	Not Used
C1	59	DK GRN	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61-63	—	Not Used
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66-68	—	Not Used
C1	69	YEL	Mass Airflow Signal
C1	70	DK BLU	Theft Deterrent Fuel Enable
C1	71	ORG/BLK	Requested Torque Input
C1	72	—	Not Used
C1	73	LT GRN/BLK	Fuel Injector No. 2 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN	EVAP Canister Purge Control
C1	77 & 78	—	Not Used
C1	79	BLK	Fuel Injector No. 1 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	LT BLU	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6 & 7	—	Not Used
C2	8	WHT	Engine Speed Output
C2	9	TAN/BLK	Delivered Torque Output
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal (Bank No. 2)
C2	11	DK BLU	Heated Oxygen Sensor No. 3 Signal (Bank No. 1)
C2	12	PPL/WHT	Heated Oxygen Sensor No. 1 Signal (Bank No. 1)
C2	13-15	—	Not Used
C2	16	ORG/BLK	Park Neutral Position Switch Signal
C2	17	RED	Transmission Range "C" Input (4L60E Only)
C2	18	GRY	Cruise Control/Clutch Anticipate Switch
C2	19 & 20	—	Not Used
C2	21	BRN/WHT	2nd Gear Start Signal
C2	22	DK GRN/WHT	A/C Request Signal
C2	23	PPL/WHT	Crank Signal
C2	24	BRN	Cruise Control Release Signal
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29-32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	LT BLU/BLK	5-Volt Reference "B"
C2	35	GRY	A/C Refrigerant Pressure Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43 & 44	—	Not Used
C2	45	RED/BLK	Pressure Control Solenoid High (4L60E Only)
C2	46	LT BLU/WHT	Pressure Control Solenoid Low (4L60E Only)
C2	47	—	Not Used
C2	48	WHT	3-2 Shift Solenoid Control (4L60E Only)
C2	49	—	Not Used
C2	50	TAN	Intake Air Temperature Sensor Signal
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	—	Not Used
C2	57	DK BLU	Transmission Range "B" Input (4L60E Only)
C2	58	BRN	Engine Oil Level Sensor Signal
C2	59 & 60	—	Not Used
C2	61	RED	Generator Control
C2	62-67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor (4L60E Only)
C2	69	PPL	Fuel Level Signal
C2	70-75	—	Not Used
C2	76	DK GRN	Starter Enable (If Equipped)
C2	77	—	Not Used
C2	78	BRN	TCC PWM Solenoid Control (4L60E Only)
C2	79	TAN/BLK	TCC Enable Solenoid Control (4L60E Only)
C2	80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - CAMARO & FIREBIRD) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - PARK AVENUE & REGAL)

Connector	Terminal No.	Wire Color	Function
C1	1-3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position PCM Input
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 18x Sensor Reference
C1	10 & 11	—	Not Used
C1	12	BLK	(2) Engine Coolant Temperature Sensor Ground
C1	13	ORN/BLK	(2) Manifold Absolute Pressure Sensor Ground
C1	14	—	Not Used
C1	15	TAN	(3) Serial Data (UART)
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	(4) Engine Coolant Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PNK	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A" Input
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BLK	EGR Pintle Position Sensor Ground
C1	32	RED	(5) EGR Valve Ignition Positive Voltage
C1	33	DK BLU	Bank No. 1 Knock Sensor Signal
C1	34	LT BLU	Bank No. 2 Knock Sensor Signal
C1	35	—	Not Used
C1	36	BRN	(3) Charging Warning Indicator Control
C1	37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39	LT GRN	(6) Fuel Pump Speed Control (VIN 1 Only)
C1	40-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	LT BLU/BLK	Fuel Injector No. 4 Control
C1	47	BLK/WHT	Fuel Injector No. 5 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	(7) DK GRN	Vehicle Speed Sensor Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	PPL	(2) Serial Data (Class II)
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
+ C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70	DK BLU	(3) Theft Deterrent Fuel Enable
C1	71	ORN/BLK	Traction Control Desired Torque Input (VIN 1 Only)
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	LT GRN/BLK	Fuel Injector No. 2 Control
C1	74	—	Not Used
C1	75	DK GRN	(3) Engine Hot Light Control
C1	76	DK GRN/WHT	EVAP Canister Purge Control
C1	77 & 78	—	Not Used
C1	79	BLK	Fuel Injector No. 1 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Solenoid Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	(8) GRY	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	BRN/WHT	(3) Low Oil Light Control
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8	WHT	Tachometer Control
C2	9	TAN/BLK	Traction Control Delivered Torque Control (VIN 1 Only)
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal High
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal High
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "P"
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19 & 20	—	Not Used
C2	21	DK BLU	(3) Normal/Performance Switch Input
C2	22	DK GRN/WHT	(3) A/C Request
C2	23	PPL	(2) Crank Signal
C2	24	PNK	(2) Ignition Positive Voltage
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	GRY	(2) Generator Terminal "F" Monitor
C2	30-32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	(9) ORG/BLK	Sensor Ground
C2	36	GRY	(3) Change Oil Light Control
C2	37 & 38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor Signal
C2	51 & 52	—	Not Used
C2	53	TAN/WHT	(2) Engine Oil Pressure Sensor Signal
C2	54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Switch Input
C2	59	WHT	Cruise Control Status
C2	60	TAN	(2) ABS/Torque Converter Clutch Brake Switch Input
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Transaxle TCC Release Switch Input
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69-75	—	Not Used
C2	76	YEL/BLK	(2) Starter Enable
C2	77	GRY	Boost Control Solenoid Control Circuit (VIN 1 Only)
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1) (2) Not used on Regal. (3) Not used on Park Avenue. (4) Intake air temperature sensor ground (Red/Black wire) on Park Avenue. (5) EGR control ground (Gray wire) on Park Avenue. (6) Fuel Pump PWM Control (Brown wire) on Park Avenue. (7) Dark Green/White wire on Park Avenue. (8) White wire on Park Avenue. (9) Black wire on Park Avenue.

(1)	(Схема №1)

(2)	Not used on Regal.

(3)	Not used on Park Avenue.

(4)	Intake air temperature sensor ground (Red/Black wire) on Park Avenue.

(5)	EGR control ground (Gray wire) on Park Avenue.

(6)	Fuel Pump PWM Control (Brown wire) on Park Avenue.

(7)	Dark Green/White wire on Park Avenue.

(8)	White wire on Park Avenue.

(9)	Black wire on Park Avenue.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - PARK AVENUE & REGAL) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - GRAND PRIX, LUMINA & MONTE CARLO)

Connector	Terminal No.	Wire Color	Function
C1	1 & 2	—	Not Used
C1	3	ORG	Fuel Level Output Control
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position PCM Input
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 18x Sensor Reference
C1	10-14	—	Not Used
C1	15	TAN	Serial Data (UART)
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Engine Coolant Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PNK	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A" Input
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BLK	(2) EGR Pintle Position Sensor Ground
C1	32	RED	(3) EGR Valve Ignition Positive Voltage
C1	33	DK BLU	Bank No. 1 Knock Sensor Signal
C1	34	LT BLU	Bank No. 2 Knock Sensor Signal
C1	35	—	Not Used
C1	36	BRN	Charging Warning Indicator Control
C1	37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39	LT GRN	(2) Fuel Pump Speed Control (VIN 1 Only)
C1	40-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	LT BLU/BLK	Fuel Injector No. 4 Control
C1	47	BLK/WHT	Fuel Injector No. 5 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN	Vehicle Speed Sensor Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	(2) Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch "B"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70	DK BLU	Theft Deterrent Fuel Enable
C1	71	ORN/BLK	(2) Traction Control Desired Torque Input (VIN 1 Only)
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	LT GRN/BLK	Fuel Injector No. 2 Control
C1	74	—	Not Used
C1	75	DK GRN	(2) Engine Hot Light Control
C1	76	DK GRN/WHT	EVAP Canister Purge Control
C1	77 & 78	—	Not Used
C1	79	BLK	Fuel Injector No. 1 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Solenoid Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	(4) GRY	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	BRN/WHT	Low Oil Light Control
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8	WHT	(2) Tachometer Control
C2	9	TAN/BLK	(2) Traction Control Delivered Torque Control (VIN 1 Only)
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal High
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal High
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "P"
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch "A"
C2	19 & 20	—	Not Used
C2	21	DK BLU	(2) Normal/Performance Switch Input
C2	22	(5) DK GRN/WHT	A/C Request
C2	23 & 24	—	Not Used
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29-32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	ORG/BLK	(2) Sensor Ground
C2	36	GRY	Change Oil Light Control
C2	37 & 38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor Signal
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	GRY	Transaxle Range Switch "C"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Switch Input
C2	59	WHT	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Transaxle TCC Release Switch Input
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	(6) YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	PPL	(7) Fuel Level Sensor Input
C2	70-76	—	Not Used
C2	77	GRY	(2) Boost Control Solenoid Control Circuit (VIN 1 Only)
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1) (2) Not used on Lumina and Monte Carlo. (3) EGR Control Ground (Gray wire) on Lumina and Monte Carlo. (4) Red wire on Lumina and Monte Carlo. (5) Light Green wire on Lumina and Monte Carlo. (6) Yellow wire on Lumina and Monte Carlo. (7) Not used on Grand Prix.

(1)	(Схема №1)

(2)	Not used on Lumina and Monte Carlo.

(3)	EGR Control Ground (Gray wire) on Lumina and Monte Carlo.

(4)	Red wire on Lumina and Monte Carlo.

(5)	Light Green wire on Lumina and Monte Carlo.

(6)	Yellow wire on Lumina and Monte Carlo.

(7)	Not used on Grand Prix.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - GRAND PRIX, LUMINA & MONTE CARLO) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - INTRIGUE)

Connector	Terminal No.	Wire Color	Function
C1	1-3	—	Not Used
C1	4	LT GRN	1-2 Shift Solenoid Valve Control
C1	5	DK BLU	Cooling Fan High Speed Control
C1	6	DK GRN	Cooling Fan Low Speed Control
C1	7	BLK	Camshaft Position PCM Input
C1	8	PPL/WHT	Crankshaft Position 3x Sensor Reference
C1	9	LT BLU/BLK	Crankshaft Position 18x Sensor Reference
C1	10 & 11	—	Not Used
C1	12	BLK	Engine Coolant Temperature Sensor Ground
C1	13	ORN/BLK	Manifold Absolute Pressure Sensor Ground
C1	14 & 15	—	Not Used
C1	16	BLK/WHT	Powertrain Control Module Ground
C1	17	BLK	Intake Air Temperature Sensor Ground
C1	18	—	Not Used
C1	19	PPL	Ignition Positive Voltage
C1	20	ORG	Battery Positive Voltage
C1	21	—	Not Used
C1	22	PNK	Transmission Fluid Pressure Switch "A" Input
C1	23-27	—	Not Used
C1	28	TAN/WHT	Heated Oxygen Sensor No. 2 Signal Low
C1	29	TAN	Heated Oxygen Sensor No. 1 Signal Low
C1	30	PPL	Torque Converter Clutch Brake Switch Input
C1	31	BLK	EGR Sensor Ground
C1	32	GRY	EGR Control Ground
C1	33	DK BLU	Bank No. 1 Knock Sensor Signal
C1	34	LT BLU	Bank No. 2 Knock Sensor Signal
C1	35-37	—	Not Used
C1	38	LT GRN/WHT	Idle Air Control Valve "B" High
C1	39-42	—	Not Used
C1	43	YEL/BLK	Fuel Injector No. 6 Control
C1	44	YEL/BLK	2-3 Shift Solenoid Valve Control
C1	45	—	Not Used
C1	46	LT BLU/BLK	Fuel Injector No. 4 Control
C1	47	BLK/WHT	Fuel Injector No. 5 Control
C1	48	RED/BLK	Reference Low
C1	49-52	—	Not Used
C1	53	TAN/BLK	By-Pass Valve Control
C1	54	WHT	Ignition Control
C1	55	DK GRN/WHT	Vehicle Speed Sensor Signal Output
C1	56	BLK/WHT	Powertrain Control Module Ground
C1	57	BLK/WHT	Powertrain Control Module Ground
C1	58	DK GRN	Serial Data (Class II)
C1	59	—	Not Used
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	BLK	Throttle Position Sensor Ground
C1	62	DK BLU/WHT	A/T Input Shaft Speed Sensor Low
C1	63	RED/BLK	A/T Input Shaft Speed Sensor High
C1	64	YEL	Vehicle Speed Sensor High
C1	65	PPL	Vehicle Speed Sensor Low
C1	66 & 67	—	Not Used
C1	68	YEL	Transaxle Range Switch Input "C"
C1	69	YEL	Mass Airflow Sensor Signal
C1	70 & 71	—	Not Used
C1	72	DK GRN	Cruise Control Disable/Inhibit Control
C1	73	LT GRN/BLK	Fuel Injector No. 2 Control
C1	74 & 75	—	Not Used
C1	76	DK GRN/WHT	EVAP Canister Purge Control
C1	77 & 78	—	Not Used
C1	79	BLK	Fuel Injector No. 1 Control
C1	80	—	Not Used
C2	1	—	Not Used
C2	2	WHT	EVAP Canister Vent Valve Control
C2	3	DK GRN/WHT	Fuel Pump Relay Control
C2	4	WHT	EGR Valve Control
C2	5	BRN/WHT	Malfunction Indicator Light Control
C2	6	—	Not Used
C2	7	LT BLU/WHT	Idle Air Control Valve "A" High
C2	8 & 9	—	Not Used
C2	10	PPL	Heated Oxygen Sensor No. 1 Signal High
C2	11	PPL/WHT	Heated Oxygen Sensor No. 2 Signal High
C2	12-15	—	Not Used
C2	16	WHT	Transaxle Range Switch "A"
C2	17	RED	Transmission Fluid Pressure Switch "C"
C2	18	BLK/WHT	Transaxle Range Switch "P"
C2	19	TAN/BLK	Engine Oil Pressure Sensor Signal
C2	20 & 21	—	Not Used
C2	22	DK GRN/WHT	A/C Request
C2	23	PPL	Ignition Positive Voltage (Start Only)
C2	24	PNK	Ignition Positive Voltage (Run/Start)
C2	25	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	26	YEL	Engine Coolant Temperature Sensor Signal
C2	27	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	28	BRN	EGR Pintle Position Signal
C2	29	GRY	Generator Terminal "F" Monitor
C2	30-32	—	Not Used
C2	33	GRY	5-Volt Reference "A"
C2	34	GRY	5-Volt Reference "B"
C2	35	BLK	Sensor Ground
C2	36-38	—	Not Used
C2	39	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	40 & 41	—	Not Used
C2	42	PNK/BLK	Fuel Injector No. 3 Control
C2	43	—	Not Used
C2	44	LT BLU/BLK	Idle Air Control Valve "A" Low
C2	45	RED/BLK	Pressure Control Solenoid High
C2	46	LT BLU/WHT	Pressure Control Solenoid Low
C2	47 & 48	—	Not Used
C2	49	LT GRN/BLK	Idle Air Control Valve "B" Low
C2	50	TAN	Intake Air Temperature Sensor
C2	51-54	—	Not Used
C2	55	DK GRN	Fuel Tank Pressure Sensor Signal
C2	56	DK GRN	Transaxle Range Switch "B"
C2	57	DK BLU	Transmission Fluid Pressure Switch "B"
C2	58	BRN	Engine Oil Level Switch Signal
C2	59	WHT	Cruise Control Status
C2	60	—	Not Used
C2	61	RED	Generator Terminal "L" Control
C2	62	—	Not Used
C2	63	YEL	Torque Converter Clutch Release Switch Input
C2	64 & 65	—	Not Used
C2	66	DK BLU	Throttle Position Sensor Signal
C2	67	—	Not Used
C2	68	YEL/BLK	Transaxle Fluid Temperature Sensor
C2	69	PPL	Fuel Level Input
C2	70-75	—	Not Used
C2	76	YEL/BLK	Starter Enable
C2	77	—	Not Used
C2	78	BRN	Torque Converter Clutch PWM Solenoid Control
C2	79 & 80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - INTRIGUE) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.0L - AURORA)

Connector	Terminal No.	Wire Color	Function
C1	1-4	—	Not Used
C1	5	DK BLU/WHT	Transaxle Input Speed Sensor Input Low
C1	6	RED/BLK	Transaxle Input Speed Sensor Input High
C1	7	BLK	Sensor Ground
C1	8	LT GRN/BLK	Idle Air Control
C1	9	LT BLU/BLK	Idle Air Control
C1	10	LT BLU/WHT	Idle Air Control
C1	11	LT GRN/WHT	Idle Air Control
C1	12	—	Not Used
C1	13	TAN/WHT	Transaxle Oil Temperature Sensor
C1	14	DK BLU	A/C High Temperature Sensor
C1	15	TAN	Serial Data (UART)
C1	16	GRY	Fuel Pump Feedback
C1	17	—	Not Used
C1	18	PNK	Powertrain Control Module Ignition 1 Feed
C1	19	PNK	Powertrain Control Module Ignition 1 Feed
C1	20	RED	Powertrain Control Module Battery Feed
C1	21	BLK/WHT	Powertrain Control Module Ground
C1	22	TAN/BLK	Torque Converter Clutch Solenoid Control
C1	23	LT GRN	Shift Solenoid "A" Control
C1	24 & 25	—	Not Used
C1	26	DK GRN	Cruise Inhibit Output
C1	27	DK GRN/WHT	A/C Compressor Clutch Relay Control
C1	28	YEL/BLK	Shift Solenoid "B" Control
C1	29	RED	Transaxle Pressure Switch Input
C1	30	DK BLU	Transaxle Pressure Switch Input
C1	31	PNK	Transaxle Pressure Switch Input
C1	32	ORG/BLK	Transaxle Range Switch Input
C1	33	—	Not Used
C1	34	DK BLU	A/C Compressor High Pressure Switch
C1	35	ORG/BLK	Power Steering Pressure Switch Input
C1	36	PPL	Torque Converter Clutch Brake Switch Input
C1	37	RED/BLK	Transaxle Pressure Control Solenoid
C1	38	LT BLU/WHT	Transaxle Pressure Control Solenoid
C1	39-45	—	Not Used
C1	46	BLK	Manifold Absolute Pressure Sensor Return
C1	47	PPL/WHT	Post-Converter Heated Oxygen Sensor Input High
C1	48	TAN/WHT	Post-Converter Heated Oxygen Sensor Input Low
C1	49	BLK/WHT	A/C High Temperature Sensor Return
C1	50	—	Not Used
C1	51	BLK	EVAP Fuel Tank Pressure Senor Return
C1	52	GRY	A/C Low Temperature Sensor Input
C1	53	DK BLU	PASS-Key® II Module
C1	54	GRY	Generator Terminal "F" Feedback
C1	55-58	—	Not Used
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	RED	Powertrain Control Module Battery Feed
C1	62	LT BLU/WHT	EGR Position Sensor 5-Volt Feed
C1	63	—	Not Used
C1	64	GRY	Manifold Absolute Pressure Sensor 5-Volt Feed
C1	65	—	Not Used
C1	66	GRY	EVAP Fuel Tank Pressure Sensor 5-Volt Feed
C1	67	—	Not Used
C1	68	DK BLU	Throttle Position Sensor Input
C1	69	LT GRN	Manifold Absolute Pressure Sensor Input
C1	70	—	Not Used
C1	71	BLK	Intake Air Temperature Sensor Return
C1	72	—	Not Used
C1	73	BLK	A/C Low Temperature Sensor Return
C1	74	DK BLU	Transmission Shift Select
C1	75	RED	Generator Terminal "L" Feedback
C1	76	DK GRN	A/C Request
C1	77	LT BLU/BLK	Cruise Engaged Input
C1	78-80	—	Not Used
C2	1-3	—	Not Used
C2	4	BLK	Camshaft Position High Input
C2	5	LT BLU/BLK	Crankshaft Position 24x Reference High Input
C2	6	—	Not Used
C2	7	YEL	Vehicle Speed Sensor Input High
C2	8	PPL	Vehicle Speed Sensor Input Low
C2	9	BLK	Fuel Injector No. 1 Control
C2	10	LT GRN/BLK	Fuel Injector No. 2 Control
C2	11	RED/BLK	Fuel Injector No. 7 Control
C2	12	PNK/BLK	Fuel Injector No. 3 Control
C2	13	LT BLU/BLK	Fuel Injector No. 4 Control
C2	14-16	—	Not Used
C2	17	BLK/WHT	Fuel Injector No. 5 Control
C2	18	YEL/BLK	Fuel Injector No. 6 Control
C2	19-20	—	Not Used
C2	21	BLK/WHT	Powertrain Control Module Ground
C2	22	DK BLU/WHT	Fuel Injector No. 8 Control
C2	23	—	Not Used
C2	24	DK GRN/WHT	EVAP Control Solenoid Control
C2	25	DK GRN/WHT	Vehicle Speed Output
C2	26	BRN/WHT	Malfunction Indicator Light Control
C2	27	TAN/BLK	Delivered Torque Output
C2	28	—	Not Used
C2	29	WHT	EVAP Vent Valve Control
C2	30	—	Not Used
C2	31	DK GRN	PASS-Key® II Module Start Inhibit
C2	32	DK GRN	Cooling Fan Low Speed Control
C2	33	DK BLU	Cooling Fan High Speed Control
C2	34	PNK	EGR Valve Control Ignition Feed
C2	35	GRY	EGR Valve Control
C2	36	DK GRN/WHT	Fuel Pump Control
C2	37	PNK	Powertrain Control Module Ignition 1 Feed
C2	38-43	—	Not Used
C2	44	PPL/WHT	Crankshaft Position 4x Reference High Input
C2	45	YEL	Mass Airflow Sensor Input
C2	46	ORG/BLK	Desired Torque Input
C2	47	—	Not Used
C2	48	RED/BLK	Reference Low Input
C2	49	WHT	Ignition Control Feedback
C2	50	—	Not Used
C2	51	TAN/BLK	By-Pass Spark Output
C2	52-55	—	Not Used
C2	56	LT GRN	Low Coolant Switch Input
C2	57	—	Not Used
C2	58	BRN	Oil Level Switch Input
C2	59	—	Not Used
C2	60	BLK/WHT	Powertrain Control Module Ground
C2	61	—	Not Used
C2	62	DK BLK	Knock Sensor Input
C2	63 & 64	—	Not Used
C2	65	TAN	Rear Heated Oxygen Sensor Input Low
C2	66	PPL	Rear Heated Oxygen Sensor Input High
C2	67	PPL/WHT	Pre-Converter Heated Oxygen Sensor Input High (Early Production)
C2	68	TAN/WHT	Pre-Converter Heated Oxygen Sensor Input Low (Early Production)
C2	69	PPL	Front Heated Oxygen Sensor Input High
C2	70	TAN	Front Heated Oxygen Sensor Input Low
C2	71-73	—	Not Used
C2	74	YEL	Engine Coolant Temperature Sensor Input
C2	75	DK GRN	EVAP Fuel Tank Pressure Sensor Input
C2	76	TAN	Intake Air Temperature Sensor Input
C2	77	BRN	EGR Valve Feedback
C2	78-80	—	Not Used
(1) (Схема №1)

(1)	(Схема №1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.0L - AURORA) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.6L - DEVILLE, ELDORADO & SEVILLE)

Connector	Terminal No.	Wire Color	Function
C1	1-4	—	Not Used
C1	5	DK BLU/WHT	Transaxle Input Speed Sensor Low
C1	6	RED/WHT	Transaxle Input Speed Sensor High
C1	7	BLK	(2) Sensor Ground
C1	8	LT GRN/BLK	Idle Air Control
C1	9	LT BLU/BLK	Idle Air Control
C1	10	LT BLU/WHT	Idle Air Control
C1	11	LT GRN/WHT	Idle Air Control
C1	12	BLK	Throttle Position Sensor Return
C1	13	YEL	Transaxle Fluid Temperature Sensor
C1	14 & 15	—	Not Used
C1	16	GRY	Fuel Pump Feedback
C1	17	BLK	Engine Coolant Temperature Sensor Return
C1	18	LT GRN	(3) Powertrain Control Module Ignition 0 Feed
C1	19	PNK	Powertrain Control Module Ignition 1 Feed
C1	20	ORG	Powertrain Control Module Battery Feed
C1	21	BLK/WHT	Powertrain Control Module Ground
C1	22	TAN/BLK	Torque Converter Clutch Solenoid Control
C1	23	LT GRN	Shift Solenoid "A" Control
C1	24	PPL	Lift/Drive Signal Output
C1	25	—	Not Used
C1	26	DK GRN	Cruise Control Inhibit Output
C1	27	DK GRN/WHT	A/C Compressor Clutch Relay Control
C1	28	YEL/BLK	Shift Solenoid "B" Control
C1	29	RED	Transaxle Pressure Switch "C" Input
C1	30	DK BLU	Transaxle Pressure Switch "B" Input
C1	31	(4) PNK	Transaxle Pressure Switch "A" Input
C1	32	WHT	Transaxle Range Switch Parity Input
C1	33	GRY	Transaxle Range Switch "C" Input
C1	34	YEL	Transaxle Range Switch "B" Input
C1	35	ORG/BLK	Power Steering Pressure Switch Input
C1	36	(5) PPL	Torque Converter Clutch Brake Switch Input
C1	37	RED/BLK	Transaxle Pressure Control Solenoid
C1	38	LT BLU/WHT	Transaxle Pressure Control Solenoid
C1	39-45	—	Not Used
C1	46	ORG/BLK	Manifold Absolute Pressure Sensor Return
C1	47	(6) PPL/WHT	Post-Converter Heated Oxygen Sensor Input High
C1	48	(7) TAN/WHT	Post-Converter Heated Oxygen Sensor Input Low
C1	49	—	Not Used
C1	50	BLK	(8) A/C Refrigerant Pressure Sensor Return
C1	51	BLK	EVAP Fuel Tank Pressure Sensor Return
C1	52 & 53	—	Not Used
C1	54	GRY	Generator Terminal "F" Feedback
C1	55	—	Not Used
C1	56	RED/BLK	(8) A/C Refrigerant Pressure Sensor Input
C1	57	—	Not Used
C1	58	PPL	Serial Data (Class II)
C1	59	PPL	Serial Data (Class II)
C1	60	BLK/WHT	Powertrain Control Module Ground
C1	61	ORG	Powertrain Control Module Battery Feed
C1	62	GRY	EGR Position Sensor 5-Volt Feed
C1	63	GRY	Throttle Position Sensor 5-Volt Feed
C1	64	GRY	Manifold Absolute Pressure Sensor 5-Volt Feed
C1	65	—	Not Used
C1	66	GRY	EVAP Fuel Tank Pressure Sensor 5-Volt Feed
C1	67	GRY	(8) A/C Refrigerant Pressure Sensor 5-Volt Feed
C1	68	DK BLU	Throttle Position Sensor Input
C1	69	LT GRN	Manifold Absolute Pressure Sensor Input
C1	70	—	Not Used
C1	71	BLK	Intake Air Temperature Sensor Return
C1	72	BLK	Transaxle Temperature Sensor Return
C1	73	—	Not Used
C1	74	BLK/WHT	Transaxle Range Switch "A" Input
C1	75	RED	(8) Generator Terminal "L" Feedback
C1	76	GRY	Extended Travel Brake Switch Input
C1	77	LT BLU/BLK	Cruise Control Engaged Input
C1	78-80	—	Not Used
C2	1-3	—	Not Used
C2	4	BLK	Camshaft Position High Input
C2	5	LT BLU/BLK	Crankshaft Position 24x Reference High Input
C2	6	—	Not Used
C2	7	YEL	Vehicle Speed Sensor Input High
C2	8	PPL	Vehicle Speed Sensor Input Low
C2	9	BLK	Fuel Injector No. 1 Control
C2	10	LT GRN/BLK	Fuel Injector No. 2 Control
C2	11	RED/BLK	Fuel Injector No. 7 Control
C2	12	PNK/BLK	Fuel Injector No. 3 Control
C2	13	LT BLU/BLK	Fuel Injector No. 4 Control
C2	14-16	—	Not Used
C2	17	BLK/WHT	Fuel Injector No. 5 Control
C2	18	YEL/BLK	Fuel Injector No. 6 Control
C2	19 & 20	—	Not Used
C2	21	BLK/WHT	Powertrain Control Module Ground
C2	22	DK BLU/WHT	Fuel Injector No. 8 Control
C2	23	—	Not Used
C2	24	DK GRN/WHT	EVAP Control Solenoid Control
C2	25	DK GRN/WHT	Vehicle Speed Output
C2	26	BRN/WHT	Malfunction Indicator Light Control
C2	27	TAN/BLK	Delivered Torque Output
C2	28	(9) WHT	Tachometer Output
C2	29	(9) WHT	EVAP Vent Valve Control
C2	30 & 31	—	Not Used
C2	32	DK GRN	Cooling Fan Low Speed Control
C2	33	DK BLU	Cooling Fan High Speed Control
C2	34	(10) PNK/BLK	EGR Valve Control Ignition Feed
C2	35	GRY	EGR Valve Control
C2	36	DK GRN/WHT	Fuel Pump Control
C2	37	PNK	Powertrain Control Module Ignition 1 Feed
C2	38-43	—	Not Used
C2	44	PPL/WHT	Crankshaft Position 4x Reference High Input
C2	45	YEL	Mass Airflow Sensor Input
C2	46	ORN/BLK	Desired Torque Input
C2	47	—	Not Used
C2	48	RED/BLK	Reference Low Input
C2	49	WHT	Ignition Control Feedback
C2	50	—	Not Used
C2	51	TAN/BLK	By-Pass Spark Output
C2	52-56	—	Not Used
C2	57	TAN/BLK	Oil Pressure Switch Input
C2	58	BRN	Oil Level Switch Input
C2	59	—	Not Used
C2	60	BLK/WHT	Powertrain Control Module Ground
C2	61	—	Not Used
C2	62	DK BLU	Knock Sensor Input
C2	63 & 64	—	Not Used
C2	65	TAN	Rear Bank Heated Oxygen Sensor Input Low
C2	66	PPL	Rear Bank Heated Oxygen Sensor Input High
C2	67	PPL/WHT	Pre-Converter Heated Oxygen Sensor Input High (Early Production)
C2	68	TAN/WHT	Pre-Converter Heated Oxygen Sensor Input Low (Early Production)
C2	69	(5) PPL	Front Bank Heated Oxygen Sensor Input High
C2	70	(11) TAN	Front Bank Heated Oxygen Sensor Input Low
C2	71-73	—	Not Used
C2	74	YEL	Engine Coolant Temperature Sensor Input
C2	75	DK GRN	EVAP Fuel Tank Pressure Sensor Input
C2	76	TAN	Intake Air Temperature Sensor Input
C2	77	BRN	EGR Valve Feedback
C2	78-80	—	Not Used
(1) (Схема №1) (2) EGR valve position sensor return on Seville. (3) White wire on Seville. (4) Pink/Black wire on Seville. (5) Purple/White wire on Seville. (6) Purple wire on Seville. (7) Tan wire on Seville. (8) Not used on Eldorado and DeVille. (9) White/Black wire on Seville. (10) Pink wire on Seville. (11) Tan/White wire on Seville.

(1)	(Схема №1)

(2)	EGR valve position sensor return on Seville.

(3)	White wire on Seville.

(4)	Pink/Black wire on Seville.

(5)	Purple/White wire on Seville.

(6)	Purple wire on Seville.

(7)	Tan wire on Seville.

(8)	Not used on Eldorado and DeVille.

(9)	White/Black wire on Seville.

(10)	Pink wire on Seville.

(11)	Tan/White wire on Seville.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.6L - DEVILLE, ELDORADO & SEVILLE) (1)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (5.7L - CAMARO, CORVETTE & FIREBIRD)

Connector	Terminal No.	Wire Color	Function
C1	1	(2) BLK	Powertrain Control Module Ground
C1	2	LT GRN	Crankshaft Position Sensor Battery Positive Supply
C1	3	PNK/BLK	Fuel Injector No. 3 Control
C1	4	LT GRN/BLK	Fuel Injector No. 2 Control
C1	5 & 6	—	Not Used
C1	7	GRY	(3) Engine Oil Pressure Sensor 5-Volt Reference
C1	8	GRY	(4) Throttle Position Sensor 5-Volt Reference
C1	9 & 10	—	Not Used
C1	11	LT BLU	Knock Sensor Signal Rear
C1	12	DK BLU/WHT	Crankshaft Position Sensor Signal
C1	13	ORG/BLK	(3) Requested Torque Signal
C1	14	TAN	(3) Throttle Actuator Control Serial Data
C1	15	ORG/BLK	(3) Throttle Actuator Control Serial Data
C1	16	—	Not Used
C1	17	DK BLU	Transmission Range Signal "B"
C1	18	RED	Transmission Range Signal "C"
C1	19	PNK	Powertrain Control Module Ignition Supply
C1	20	ORG	Powertrain Control Module Battery Supply
C1	21	YEL/BLK	Crankshaft Position Sensor Ground
C1	22	—	Not Used
C1	23	GRY	Fuel Tank Pressure Sensor Ground
C1	24	—	Not Used
C1	25	TAN	Heater Oxygen Sensor Signal Low (Bank No. 2; Sensor No. 2)
C1	26	TAN	Heater Oxygen Sensor Signal Low (Bank No. 2; Sensor No. 1)
C1	27	—	Not Used
C1	28	TAN/WHT	Heater Oxygen Sensor Signal Low (Bank No. 1; Sensor No. 2)
C1	29	TAN/WHT	Heater Oxygen Sensor Signal Low (Bank No. 1; Sensor No. 1)
C1	30 & 31	—	Not Used
C1	32	GRY	(5) Clutch Pedal Position Switch Signal
C1	33	PPL	Torque Converter Clutch Brake Switch
C1	34	ORG/BLK	(6) Park Neutral Position Switch Signal
C1	35	GRY	(3) Clutch Switch
C1	36	BLK	Fuel Injector No. 1 Control
C1	37	YEL/BLK	Fuel Injector No. 6 Control
C1	38	PNK/WHT	(3) Powertrain Induced Chassis Pitch Signal (If Equipped)
C1	39	—	Not Used
C1	40	BLK/WHT	Powertrain Control Module Ground
C1	41	BLK	(4) EGR Pintle Position Sensor Ground
C1	42	DK GRN	Engine Cooling Fan Relay No. 1 Control
C1	43	RED/BLK	Fuel Injector No. 7 Control
C1	44	LT BLU/BLK	Fuel Injector No. 4 Control
C1	45	GRY	A/C Refrigerant Pressure Sensor 5-Volt Reference
C1	46	GRY	Fuel Tank Pressure Sensor 5-Volt Reference
C1	47	GRY	(4) EGR Pintle Position Sensor 5-Volt Reference
C1	48	GRY	Manifold Absolute Pressure Sensor 5-Volt Reference
C1	49 & 50	—	Not Used
C1	51	DK BLU	Knock Sensor Signal Front
C1	52	—	Not Used
C1	53	(7) BLK	Transmission Temperature Sensor Ground
C1	54	(7) BLK	Manifold Absolute Pressure Sensor Ground
C1	55	BRN	(4) EGR Pintle Position Sensor Signal
C1	56	—	Not Used
C1	57	ORG	Powertrain Control Module Battery Supply
C1	58	DK GRN	Serial Data
C1	59	YEL	(3) Serial Data
C1	60	BLK	(8) Throttle Position Sensor Ground
C1	61	PNK/BLK	Camshaft Position Sensor Ground
C1	62	GRY	(3) Extended Travel Brake Switch Signal
C1	63	BLK	(3) Engine Oil Pressure Sensor Ground
C1	64	—	Not Used
C1	65	PPL	Heater Oxygen Sensor Signal High (Bank No. 2; Sensor No. 2)
C1	66	PPL	Heater Oxygen Sensor Signal High (Bank No. 2; Sensor No. 1)
C1	67	—	Not Used
C1	68	PPL/WHT	Heater Oxygen Sensor Signal High (Bank No. 1; Sensor No. 2)
C1	69	PPL/WHT	Heater Oxygen Sensor Signal High (Bank No. 1; Sensor No. 1)
C1	70	BRN	Low Oil Level Switch
C1	71	—	Not Used
C1	72	YEL	(3) PRND B
C1	73	BRN/WHT	Camshaft Position Sensor Signal
C1	74	YEL	Engine Coolant Temperature Sensor Signal
C1	75	—	Not Used
C1	76	BLK/WHT	Fuel Injector No. 5 Control
C1	77	DK BLU/WHT	Fuel Injector No. 8 Control
C1	78	—	Not Used
C1	79	GRY	(9) Skip Shift Solenoid Control (M/T)
C1	80	(10) BLK	Engine Coolant Temperature Sensor Ground
C2	1	(2) BLK	Powertrain Control Module Ground
C2	2	BRN	Torque Converter Clutch Control Solenoid
C2	3	—	Not Used
C2	4	PPL	AIR Solenoid Relay Control
C2	5	TAN/BLK	(3) Torque Delivered
C2	6	RED/BLK	Transmission Fluid Pressure Control Solenoid High
C2	7	RED	(4) EGR Control
C2	8	LT BLU/WHT	Transmission Fluid Pressure Control Solenoid Low
C2	9	DK GRN/WHT	Fuel Pump Relay Control
C2	10	WHT	Engine Speed (Tach) Output Signal
C2	11 & 12	—	Not Used
C2	13	WHT	(4) Cruise Control Enable Signal
C2	14	RED/BLK	A/C Refrigerant Pressure Sensor Signal
C2	15	RED	Generator Terminal "L"
C2	16	—	Not Used
C2	17	DK GRN/WHT	A/C Request Signal
C2	18	DK GRN	A/C Status Signal
C2	19	—	Not Used
C2	20	(11) LT GRN/BLK	Vehicle Speed Sensor Reference Low
C2	21	(12) PPL/WHT	Vehicle Speed Sensor Signal
C2	22 & 23	—	Not Used
C2	24	DK BLU	(4) Throttle Position Sensor Signal
C2	25	TAN	Intake Air Temperature Signal
C2	26	PPL	Ignition Control No. 1
C2	27	RED	Ignition Control No. 7
C2	28	LT BLU/WHT	Ignition Control No. 6
C2	29	DK GRN/WHT	Ignition Control No. 4
C2	30	DK BLU	(4) VTD Fuel Enable Signal
C2	31	YEL	Mass Airflow Sensor Signal
C2	32	LT GRN	Manifold Absolute Pressure Sensor Signal
C2	33	DK BLU	Engine Cooling Fan Relay No. 2 & 3 Control
C2	34	DK GRN/WHT	EVAP Canister Purge Valve Control
C2	35	—	Not Used
C2	36	BRN	AIR Pump Relay Control
C2	37	DK GRN	(4) Cruise Control Inhibit
C2	38	—	Not Used
C2	39	RED	Camshaft Position Sensor Battery Positive Supply
C2	40	BLK/WHT	Powertrain Control Module Ground
C2	41	GRY	(4) EGR Position Sensor Ground
C2	42	TAN/BLK	Torque Converter Clutch Enable Circuit
C2	43	DK GRN/WHT	A/C Compressor Clutch Relay Control
C2	44	LT GRN	Reverse Inhibit Solenoid Control
C2	45	WHT	EVAP Canister Vent Valve Control
C2	46	BRN/WHT	Malfunction Indicator Light Control
C2	47	YEL/BLK	(13) Transmission Shift Solenoid "B"
C2	48	LT GRN	Transmission Shift Solenoid "A"
C2	49	—	Not Used
C2	50	DK GRN	Vehicle Speed Output Circuit
C2	52	GRY	(3) Generator Terminal "L"
C2	53	GRY/BLK	(4) Spark Retard Signal
C2	54	(14) PPL	Fuel Level Sensor Signal
C2	55 & 56	—	Not Used
C2	57	PPL	Intake Air Temperature Sensor Ground
C2	58	TAN/WHT	(3) Engine Oil Pressure Sensor Signal
C2	59	—	Not Used
C2	60	BRN	Ignition Control Reference Low Bank No. 1
C2	61	BRN/WHT	Ignition Control Reference Low Bank No. 2
C2	62	GRY	(3) PRND C
C2	63	PNK	Transmission Range Signal "A"
C2	64	DK GRN	Fuel Tank Pressure Sensor Signal
C2	65	—	Not Used
C2	66	PPL/WHT	Ignition Control No. 8
C2	67	RED/WHT	Ignition Control No. 2
C2	68	DK GRN	Ignition Control No. 5
C2	69	LT BLU	Ignition Control No. 3
C2	70-72	—	Not Used
C2	73	LT BLU	(3) Fuel Level Sensor Signal (Secondary)
C2	74 & 75	—	Not Used
C2	76	LT GRN/WHT	(4) Idle Air Control Coil "B" High
C2	77	LT GRN/BLK	(4) Idle Air Control Coil "B" Low
C2	78	LT BLU/BLK	(4) Idle Air Control Coil "A" Low
C2	79	LT BLU/WHT	(4) Idle Air Control Coil "A" High
C2	80	—	Not Used
(1) (Схема №1) (2) Black/White wire on Corvette. (3) Not used on Camaro and Firebird. (4) Not used on Corvette. (5) PRND A (Black/White wire) on Corvette. (6) PRND P (White wire) on Corvette. (7) Orange/Black wire on Corvette. (8) A/C refrigerant pressure sensor ground on Corvette. (9) 3-2 shift solenoid (White wire) on A/T models. (10) Brown wire on Corvette. (11) Purple wire on Corvette. (12) Yellow wire on Corvette. (13) 1-4 up-shift light control (White wire) on Corvette. (14) Dark Blue wire on Corvette.

(1)	(Схема №1)

(2)	Black/White wire on Corvette.

(3)	Not used on Camaro and Firebird.

(4)	Not used on Corvette.

(5)	PRND A (Black/White wire) on Corvette.

(6)	PRND P (White wire) on Corvette.

(7)	Orange/Black wire on Corvette.

(8)	A/C refrigerant pressure sensor ground on Corvette.

(9)	3-2 shift solenoid (White wire) on A/T models.

(10)	Brown wire on Corvette.

(11)	Purple wire on Corvette.

(12)	Yellow wire on Corvette.

(13)	1-4 up-shift light control (White wire) on Corvette.

(14)	Dark Blue wire on Corvette.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (5.7L - CAMARO, CORVETTE & FIREBIRD) (1)

Engine Control System - System Testing & Engine Component Tests: Overview Saturn SL II

MODEL IDENTIFICATION

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POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.1L - CENTURY)

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POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - CAMARO & FIREBIRD)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - PARK AVENUE & REGAL)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - GRAND PRIX, LUMINA & MONTE CARLO)

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POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.0L - AURORA)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (4.6L - DEVILLE, ELDORADO & SEVILLE)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (5.7L - CAMARO, CORVETTE & FIREBIRD)

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