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
Table 3: Vehicle Communication Interface Module (VCIM) C3
Table 4: Noise Compensation Microphone

Vehicle Communication Interface Module (VCIM) C1


Object Number: 814530  Size: CH

Connector Part Information

    • 97981-1
    • 16-Way F MKII Hybrid (WH)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

PU

1156

Handset Keypad Data Signal

3

GY/BK

1798

Ground

4-5

--

--

Not Used

6

BN

1941

Ignition 3 Voltage

7

BK/WH

1051

Ground

8

BK/WH

1051

Ground

9-10

--

--

Not Used

11

PU

679

Radio Master Request Display Signal

12-14

--

--

Not Used

15

RD/WH

2240

Battery Positive Voltage

16

RD/WH

2240

Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) C2


Object Number: 814532  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

1

D-BU

658

Cellular Telephone Voice Signal

2

L-BU/BK

659

Cellular Telephone Voice Low Reference

3-5

--

--

Not Used

6

PU

1807

Class 2 Serial Data (Primary)

7

--

--

Not Used

8

BARE

814

Drain Wire

9

GY

655

Cellular Microphone Low Reference

10

BARE

1782

Drain Wire

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C3


Object Number: 814531  Size: CH

Connector Part Information

    • 917983-1
    • 16-Way F MKII Hybrid (BK)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

PK

5149

MIC Out Feed

3

--

--

Not Used

4

PK/BK

5152

MIC Out Return

5

BARE

1792

Drain Wire

6-8

--

--

Not Used

9

YE/BK

5143

Ground

10

BARE

701

Drain Wire

11-16

--

--

Not Used

Noise Compensation Microphone


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way Mm Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

Bare

1489

Drain Wire

B

D-GN

1488

Noise Reduction Microphone Supply Voltage