GM Service Manual Online
For 1990-2009 cars only

SIR Connector End Views Switch and Sensor Views

Table 1: Inflatable Restraint Front End Discriminating Sensor Connector
Table 2: Inflatable Restraint IP Module Enable Switch Connector
Table 3: Inflatable Restraint IP Module
Table 4: Inflatable Restraint Sensing and Diagnostic Module (SDM) (Pick-Up)
Table 5: Inflatable Restraint Steering Wheel Module

Inflatable Restraint Front End Discriminating Sensor Connector


Object Number: 68712  Size: CH

Connector Part Information

    • 12160310
    • 2F Micro-Pack 280 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A

YEL

1834

SIR Forward Sensor Signal

B

BLK/WHT

1751

SIR Ground

Inflatable Restraint IP Module Enable Switch Connector


Object Number: 204351  Size: CH

Connector Part Information

    • 15305366
    • 6F Micro-Pack 150 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

371

SIR Defeat Switch Signal-Passenger

B

YEL

1139

Ignition

C

PPL/WHT

1392

Fuse Output - Ignition 1 - Type III Fuse - SIR

D

GRA

8

IP Lamp Feed

E

PNK

353

SIR Defeat Indicator Lamp Output-Passenger

F

BLK/WHT

150

Ground

Inflatable Restraint IP Module


Object Number: 68712  Size: CH

Connector Part Information

    • 12186799
    • 2M Metri-Pack 280 Series (YEL)

Pin

Wire Color

Circuit No.

Function

1

WHT/BLK

1403

SIR Inflator Feed-Passenger

2

DK GRN/WHT

1404

SIR Inflator Output-Passenger

Inflatable Restraint Sensing and Diagnostic Module (SDM) (Pick-Up)


Object Number: 203005  Size: CF

Connector Part Information

    • 12176325
    • 12-Way F Micro-Pack 100 Series (YEL)

Pin

Wire Color

Circuit No.

Function

1

WHT/BLK

1403

SIR Inflator Feed-Passenger

2

WHT

347

SIR Inflator Feed-Driver

3

DK GRN

348

SIR Inflator Output-Driver

4

DK GRN/WHT

1404

SIR Inflator Output-Passenger

5

TAN

800

Serial Data (UART)

6

BLK/WHT

1751

SIR Ground

7

BRN

358

SIR Indicator Lamp Output

8

BLK/WHT

238

Seat Belt Switch Signal

9

YEL

1834

SIR Forward Sensor Signal

10

YEL

1139

Ignition 1

11

TAN/BLK

371

SIR Defeat Switch Signal-Passenger

12

PNK

353

SIR Defeat Indicator Lamp Output-Passenger

Inflatable Restraint Steering Wheel Module


Object Number: 130675  Size: CH

Connector Part Information

    • 12092865
    • 2-Way F Metri-Pack 280 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A

WHT

347

SIR Inflator Feed-Driver

B

DK GRN

348

SIR Inflator Output-Driver

SIR Connector End Views SDM Connector View

Inflatable Restraint Sensing and Diagnostic Module (SDM)


Object Number: 203005  Size: CF

Connector Part Information

    • 12160341
    • 12-Way F Micro-Pack 100 Series (Yellow)

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

1

WHT/BLK

1403

Passenger Side High

1

B1015, B1016, B1017, B1018, B1019

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

2

WHT

347

Driver Side High

2

B1021, B1022, B1024, B1025, B1026

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

3

DK GRN

348

Driver Side Low

3

B1021, B1022, B1024, B1025, B1026

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

4

DR GRN/WHT

1404

Passenger Side Low

4

B1015, B1016, B1017, B1018, B1019

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

5

TAN

800

Serial Data (UART)

5

--

Scan Tool Does Not Communicate with SDM

6

BLK/WHT

1751

Ground

6

--

Air Bag Warning Lamp Comes On Steady

7

BRN

358

Inflatable Restraint Indicator

7

--

Air Bag Warning Lamp Comes On Steady, Air Bag Warning Lamp Does Not Come On

8

BLK/WHT

238

Seat Belt Switch Signal

8

--

Fasten Seat Belt Indicator Always On, Fasten Seat Belt Indicator Does Not Come On

9

YEL

1834

Inflatable Restraint Forward Sensor Signal

9

B1035, B1036

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

10

YEL

1139

Ignition 1

10

--

Air Bag Warning Lamp Comes On Steady

11

TAN/BLK

371

Inflatable Restraint Defeat Switch Signal-Passenger

11

B1054

Inflatable Restraint Defeat Is Inoperative

12

PNK

353

Inflatable Restraint Defeat Indicator Lamp Output-Passenger

12

B1054

Inflatable Restraint Defeat Indicator

Does Not Come On