GM Service Manual Online
For 1990-2009 cars only
Table 1: Vehicle Communication Interface Module (VCIM) C1
Table 2: Vehicle Communication Interface Module (VCIM) C2

Vehicle Communication Interface Module (VCIM) C1


Object Number: 814530  Size: CH

Connector Part Information

    • 917981-1
    • 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

--

--

Not Used

8

BK/WH

751

Ground

9-10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal

12-14

--

--

Not Used

15

OR

1340

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2


Object Number: 814532  Size: CH

Connector Part Information

    • 917975-1
    • 12-Way M MKII Hybrid (WH)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

367

Remote Radio Left Audio Signal

2

BK/WH

372

Remote Radio Audio Output (-)

3-5

--

--

Not Used

6

PU

1807

Class 2 Serial Data

7

D-GN/WH

368

Remote Radio Right Audio Signal

8

BARE

814

Drain Wire

9

GY

655

Cellular Microphone Signal

10

BARE

654

Cellular Telephone Microphone Low Reference

12

YE/BK

693

Cellular Telephone Mute Signal