Powertrain Control Module (PCM) Connector End View C2

Fig 1: Powertrain Control Module (PCM) C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Powertrain Control Module (PCM) C2 Connector & Terminal Parts Information

Connector Part Information

Terminal Part Information

Powertrain Control Module (PCM) C2 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	PK/YE	1456	EGR Valve Position Signal
2	WH/BK	1061	UART Serial Data Secondary
3	TN/OG	800	UART Serial Data Primary
4	TN/PK	845	Fuel Injector 5 Control
5	TN/OG	1744	Fuel Injector 1 Control
6	YE/BK	846	Fuel Injector 6 Control
7	PK/BK	1746	Fuel Injector 3 Control
8	TN/D-GN	2753	Low Reference
9	L-GN/BK	1745	Fuel Injector 2 Control
10	YE/BK	844	Fuel Injector 4 Control
11	PU/WH	424	IC Timing Signal
12	GY	3112	HO2S Heater Low Control Sensor 1
13	OG/WH	1676	EGR Solenoid High Control
14-15	-	-	Not Used
16	D-GN	435	EGR Solenoid Low Control
17	-	-	Not Used
18	YE/GY	469	MAP Sensor Signal
19-25	-	-	Not Used
26	TN/YE	630	Camshaft Position Signal
27	PU/WH	430	Low Resolution Engine Speed Signal
28	L-BU/BK	647	Medium Resolution Engine Speed Signal
29	TN/L-BU	2761	Low Reference
30	L-GN	432	Low Reference
31	BN	1174	Oil Level Switch Signal
32	-	-	Not Used
33	GY/BK	2702	5-Volt Reference 1
34	OG/WH	2704	5-Volt Reference 2
35	BN/WH	6790	Air Injection Pressure Sensor 5 Volt Reference 2 (NU6)
36	-	-	Not Used
37	OG/BK	453	Low Reference
38-40	-	-	Not Used
41	D-GN/WH	428	EVAP Canister Purge Solenoid Control
42-44	-	-	Not Used
45	GY/WH	23	Generator Field Duty Cycle Signal
46	D-BU	496	Knock Sensor Signal 1
47	TN/PK	3111	HO2S Low Reference Sensor 1
48	PU/WH	3110	HO2S Reference Voltage Sensor 1
49-52	-	-	Not Used
53	OG	225	Generator Turn On Signal
54	-	-	Not Used
55	YE	410	ECT Sensor Signal
56	-	-	Not Used
57	TN/BK	231	Oil Pressure Switch Signal
58	L-BU	1876	Knock Sensor 2 Signal
59	PU	421	AIR Solenoid Relay Control (NU6)
60	-	-	Not Used
61	WH	423	IC Timing Control
62-72	-	-	Not Used
73	BK/WH	1551	Ground