GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM) C1
Table 2: Dash Integration Module (DIM) C2
Table 3: Dash Integration Module (DIM) C3
Table 4: Data Link Connector (DLC)
Table 5: Instrument Panel Integration Module (IPM) C1
Table 6: Instrument Panel Integration Module (IPM) C2
Table 7: Rear Integration Module (RIM) C1
Table 8: Rear Integration Module (RIM) C2

Dash Integration Module (DIM) C1


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A-D

--

--

Not Used

E

BLK/WHT

351

Ground

F

--

--

Not Used

G

ORN

540

Battery Positive Voltage

H

YEL

32

I/P Lamps Fuse Supply Voltage

J

--

--

Not Used

K

YEL

1491

Backlight Lamps Control

Dash Integration Module (DIM) C2


Object Number: 73156  Size: CH

Connector Part Information

    • 12160778
    • 24-Way F Micro-Pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU

1796

Steering Wheel Controls Signal

A2-A5

--

--

Not Used

A6

BLK/WHT

2261

A/C Refrigerant Low Temperature Sensor Low Reference (4.6L)

A7

GRY

731

A/C Refrigerant Low Temperature Sensor Signal (4.6L)

A8-A10

--

--

Not Used

A11

PPL

1807

Class 2 Serial Data

A12

PPL

1807

Class 2 Serial Data

B1

--

--

Not Used

B2

WHT

103

Headlamp Switch Headlamps ON Signal

B3

BRN/WHT

301

Park Lamp Switch ON Signal

B4

WHT

1538

Windshield Wiper Switch ON Signal

B5-B7

--

--

Not Used

B8

PNK/BLK

1484

Flash To Pass Signal

B9-B12

--

--

Not Used

Dash Integration Module (DIM) C3


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

WHT

1390

OFF/RUN/CRANK Voltage

A2

BRN

4

Accessory Voltage

A3

PNK

3

Ignition Voltage

A4

LT GRN/BLK

592

DRL Relay Control

A5

--

--

Not Used

A6

BLK

28

Horn Relay Control

A7

DK GRN/WHT

1317

Fog Lamp Relay Control

A8-A11

--

--

Not Used

A12

ORN

3340

Battery Positive Voltage

B1

ORN

300

Ignition 3 Voltage

B2

--

--

Not Used

B3

PPL

1375

Remote Radio Control Supply Voltage

B4

PNK/WHT

1970

Headlamp Low Beam Relay Control

B5

WHT

1080

Park Lamp Relay Control

B6

--

--

Not Used

B7

BLK/WHT

1969

Headlamp High Beam Relay Control

B8

DK GRN

1483

Control Power - Output

B9-B11

--

--

Not Used

B12

BLK/WHT

51

Ground

Data Link Connector (DLC)


Object Number: 68793  Size: CH

Connector Part Information

    • 12110250
    • 16-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PPL

1807

Class 2 Serial Data

3

--

--

Not Used

4

BLK

450

Ground

5

BLK/WHT

451

Ground

6-15

--

--

Not Used

16

ORN

3640

Battery Positive Voltage

Instrument Panel Integration Module (IPM) C1


Object Number: 333019  Size: CH

Connector Part Information

    • 12110245
    • 32-Way F Micro-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

C1

ORN

1140

Battery Positive Voltage

C2

BRN

141

Ignition 3 Voltage

C3-C5

--

--

Not Used

C6

PNK/BLK

1597

Courtesy Lamps Switch ON Signal

C7

PPL

1807

Class 2 Serial Data

C8

PPL

1807

Class 2 Serial Data

C9

ORN

192

Front Fog Lamp Switch Signal

C10

--

--

Not Used

C11

LT BLU

1788

Traction Control Switch Signal

C12

LT BLU

1880

HVAC Control Module Data Signal

C13

PPL

1881

HVAC Control Module Clock Signal

C14-C16

--

--

Not Used

D1-D2

--

--

Not Used

D3

BLK

520

Lower Right Air Temperature Sensor Signal

D4

--

--

Not Used

D5

BLK

1576

Trunk Release Switch Signal

D6

--

--

Not Used

D7

LT GRN

80

Key In Ignition Switch Signal

D8

PPL

1783

Twilight Sentinel Delay Signal

D9-D10

--

--

Not Used

D11

GRY/BLK

754

Blower Motor Speed Control

D12

--

--

Not Used

D13

LT BLU/WHT

1595

Key Cylinder Lamp Control

D14-D15

--

--

Not Used

D16

BLK/WHT

451

Ground

Instrument Panel Integration Module (IPM) C2


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24-Way F Micro-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

A1

GRY

705

5-Volt Reference

A2

YEL/BLK

1814

Lower Mode Door Position Signal

A3

--

--

Not Used

A4

PPL

1838

Recirculation Door Position Signal

A5

LT BLU

733

Left Air Temperature Door Position Signal

A6

DK BLU

1646

Right Air Temperature Door Position Signal

A7

YEL

1791

Low Reference

A8

YEL

1318

Mode Door Control

A9

--

--

Not Used

A10

DK GRN

1614

Recirculation Door Control

A11

DK BLU

1199

Air Temp Door Control - Left

A12

WHT/BLK

1236

Air Temp Door Control - Right

B1

LT GRN/BLK

735

Ambient Air Temperature Sensor Signal

B2

LT BLU/BLK

590

Driver Solar Sensor Signal

B3

GRY

1548

Passenger Solar Sensor Signal

B4

DK GRN

734

Inside Air Temperature Sensor Signal

B5

WHT

278

Ambient Light Sensor Signal

B6

BLK

516

Upper Left Air Temp Sensor Signal

B7

TAN

517

Upper Right Air Temp Sensor Signal

B8

YEL

61

Low Reference

B9

BLK

518

Lower Left Air Temp Sensor Signal

B10

--

--

Not Used

B11

DK GRN

44

I/P Lamps Dimmer Switch Signal

B12

LT BLU/BLK

1688

5-Volt Reference

Rear Integration Module (RIM) C1


Object Number: 73152  Size: CH

Connector Part Information

    • 12084944
    • 16-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1267

Automatic Level Control Reset Signal

A2-A3

--

--

Not Used

A4

PNK

1039

Ignition 1 Voltage

A5

DK BLU/WHT

149

Courtesy Lamps Supply Voltage

A6

GRY

2165

Automatic Level Control Position Sensor 5-Volt Reference

A7

--

--

Not Used

A8

BLK/WHT

851

Ground

B1-B2

--

--

Not Used

B3

RED/BLK

744

Trunk Ajar Switch Signal

B4

--

--

Not Used

B5

LT BLU/WHT

181

Heated Seat Control Module Status Signal

B6

PPL

2185

Automatic Level Control Position Sensor Low Reference

B7

--

--

Not Used

B8

BLK/WHT

851

Ground

Rear Integration Module (RIM) C2


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24-Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A1

BLK

755

RAP Relay Coil Control

A2

YEL

182

Heated Seat Control Module Inhibit Signal

A3-A4

--

--

Not Used

A5

PNK/BLK

1615

Park Brake Relay Control

A6

--

--

Not Used

A7

YEL

321

Automatic Level Control (ALC) Relay Coil Supply Voltage

A8

--

--

Not Used

A9

BRN

2184

ALC Position Sensor Signal

A10

GRY

157

Courtesy Lamp Control

A11

ORN

540

Battery Positive Voltage

A12

PPL

1807

Class 2 Serial Data

B1

WHT

193

Rear Defog Relay Control

B2

LT BLU

2182

Reverse Lamp Relay Control

B3

--

--

Not Used

B4

LT BLU

1344

Trunk Release Relay Control

B5

TAN

2183

Inadvertent Power Relay Control

B6-B7

--

--

Not Used

B8

WHT

320

ALC Exhaust Solenoid Control

B9

--

--

Not Used

B10

GRY

157

Courtesy Lamp Control

B11

--

--

Not Used

B12

PPL

1807

Class 2 Serial Data