GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Driveline/Axle 🢒 Transfer Case 🢒 SIR Connector End Views
Table 1: Inflatable Restraint Front End Discriminating Sensor
Table 2: Inflatable Restraint I/P Module Connector
Table 3: Inflatable Restraint IP Module Trim Cover
Table 4: Inflatable Restraint Sensing and Diagnostic Module (SDM)

Inflatable Restraint Front End Discriminating Sensor


Object Number: 68712 Size: CH

Connector Part Information
    • 12160310
    • 2-Way Female M/P 280 (YEL)

Pin

Wire Color

Circuit No.

Function

A

GRY

349

Front End Sensor Feed

B

BLK/WHT

1751

Ground

Inflatable Restraint I/P Module Connector


Object Number: 288135 Size: CF

Connector Part Information
    • 12077921
    • 2-Way Female M/P 280 (YEL)

Connector Part Information
    • 12077918
    • 2-Way Male M/P 280 (YEL)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

WHT/BLK

1403

Passenger Sense High

A

WHT/BLK

1403

Passenger Sense High

B

DK GRN/WHT

1404

Passenger Sense Low

B

DK GRN/WHT

1404

Passenger Sense Low

Inflatable Restraint IP Module Trim Cover


Object Number: 68765 Size: CH

Connector Part Information
    • 12162476
    • 4-Way P/C Edgeboard STD (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT/BLK

1403

Passenger Side High

B

DK GRN/WHT

1404

Passenger Side Low

C-D

--

--

Not Used

Inflatable Restraint Sensing and Diagnostic Module (SDM)


Object Number: 362757 Size: CH

Connector Part Information
    • 12160341
    • 12-Way Female MIC/P 100 (YEL)

Pin

Wire Color

Circuit No.

Function

DTC(s) Affected

Possible Symptoms From a Faulty Cirtuit

1

WHT/BLK

1403

Passenger Side High

B1015,B1016, B1017, B1018, B1019

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

2

WHT

347

Driver Side High

B1021, B1022, B1024, B1025, B1026

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

3

DK GRN

348

Driver Side Low

B1021, B1022, B1024, B1025, B1026

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

4

DK GRN/WHT

1404

Passenger Side Low

B1015,B1016, B1017, B1018, B1019

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

5

TAN

800

Serial Data (UART)

--

Scan Tool Does Not Communicate With SDM

6

BLK/WHT

1751

Ground

--

Air Bag Warning Lamp Comes ON Steady

7

BRN

358

Inflatable Restraint Indicator

--

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

8

BLK/WHT

238

Seat Belt Switch Signal

--

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

9

Gry

349

Front End Sensor Feed

B1035, B1038

Air Bag Warning Lamp Flashes Seven Times Then Stays ON Steady

10

YEL

1139

Air Bag Fuse - 10

--

--

11-12

--

--

Not Used

--

--