Vehicle Communication Interface Module (VCIM) Connector End Views

Vehicle Communication Interface Module (VCIM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 917981-1 Service: 15306351 16-Way M MKII Hybrid (WH)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BN/WH	2517	Keypad Red LED Signal
3	YE/BK	2516	Keypad Green LED Signal
4-5	-	-	Not Used
6	L-GN/BK	2515	Keypad Supply Voltage
7	BK/WH	151	Ground
8-10	-	-	Not Used
11	D-GN/WH	2514	Keypad Signal
12-15	-	-	Not Used
16	RD/WH	1640	Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 917975-1 Service: 88952886 12-Way M MKII Hybrid (WH)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	2062	Cellular Telephone Voice Signal
2	OG/BK	2061	Cellular Telephone Voice Low Reference
3-5	-	-	Not Used
6	PU	1807	Class 2 Serial Data
7	-	-	Not Used
8	GY	814	Drain Wire
9	GY	655	Cellular Microphone Signal
10	WH	1489	Cellular Microphone Low Reference
11-12	-	-	Not Used

Vehicle Communication Interface Module (VCIM) C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 638695-2 Service: 88953373 12-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
3	TN	2501	High Speed GMLAN Serial Data Bus (-)
4-7	-	-	Not Used
8	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
9	TN	2501	High Speed GMLAN Serial Data Bus (-)
10-12	-	-	Not Used