GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 TrailBlazer - 2WD 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 SIR Connector End Views
Table 1: Electronic Frontal Sensor (EFS) - Left
Table 2: Electronic Frontal Sensor (EFS) - Right
Table 3: Inflatable Restraint I/P Module
Table 4: Inflatable Restraint Front Passenger Presence System (PPS) Module
Table 5: Inflatable Restraint Passenger Presence System (PPS) Sensor
Table 6: Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor
Table 7: Inflatable Restraint Roof Rail Module - Left (ASF)
Table 8: Inflatable Restraint Roof Rail Module - Right (ASF)
Table 9: Inflatable Restraint Seat Position Sensor (SPS) - Left
Table 10: Inflatable Restraint Seat Position Sensor (SPS) - Right
Table 11: Inflatable Restraint Sensing and Diagnostic Module (SDM)
Table 12: Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
Table 13: Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)
Table 14: Inflatable Restraint Steering Wheel Module C1
Table 15: Inflatable Restraint Steering Wheel Module C2
Table 16: Seat Belt Pretensioner - Left
Table 17: Seat Belt Pretensioner - Right
Table 18: Rollover Sensor

Electronic Frontal Sensor (EFS) - Left


Object Number: 877918 Size: CH

Connector Part Information
    • 15356727
    • 2-Way F GT 150 Series (YE)

Pin

Wire Color

Circuit No.

Function

A

YE

354

Discriminating Sensor - Signal

B

GY

349

Discriminating Sensor - Left - Signal

Electronic Frontal Sensor (EFS) - Right


Object Number: 877918 Size: CH

Connector Part Information
    • 15356727
    • 2-Way F GT 150 Series (YE)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1409

Discriminating Sensor - Right - Signal

B

YE

1834

Forward Discriminating Sensor Signal

Inflatable Restraint I/P Module


Object Number: 684931 Size: CH

Connector Part Information
    • 15336476
    • 4-Way M Metri-Pack 280 Series (YE)

Pin

Wire Color

Circuit No.

Function

A1

YE

3025

I/P Module - Stage 1 - High Control

A2

OG

3024

I/P Module - Stage 1 - Low Control

B1

GY

3027

I/P Module - Stage  2 - High Control

B2

PU

3026

I/P Module - Stage 2 - Low Control

Inflatable Restraint Front Passenger Presence System (PPS) Module


Object Number: 1468542 Size: CH

Connector Part Information
    • 15431682
    • 18-Way F Micro-Pack 100W Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

2307

Passenger Air Bag On Indicator Control (AL0)

2

BK

2308

Passenger Air Bag Off Indicator Control (AL0)

3

--

--

Not Used

4

PU

5611

Passenger Seat Belt Tension Sensor Signal

5

BK

751

Ground

6

YE

5608

Occupant Pressure Sensor Signal

7

D-GN

5609

Occupant Pressure Sensor Voltage Reference

8

--

--

Not Used

9

BK

1139

Ignition 1 Voltage

10-13

--

--

Not Used

14

TN

5613

Passenger Seat Belt Tension Sensor Low Reference

15

GY

5610

Occupant Pressure Sensor Low Reference

16

L-BU

5612

Passenger Seat Belt Tension Sensor Voltage Reference

17

--

--

Not Used

18

PK

2306

Occupant Sensor - Serial Data Link

Inflatable Restraint Passenger Presence System (PPS) Sensor


Object Number: 1424764 Size: CH

Connector Part Information
    • 15422250
    • 3-Way F GT 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

D-GN

5609

Occupant Pressure Sensor Voltage Reference

B

YE

5608

Occupant Pressure Sensor Signal

C

GY

5610

Occupant Pressure Sensor Low Reference

Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

5612

Passenger Seat Belt Tension Sensor Voltage Reference

B

TN

5613

Passenger Seat Belt Tension Sensor Low Reference

C

PU

5611

Passenger Seat Belt Tension Sensor Signal

Inflatable Restraint Roof Rail Module - Left (ASF)


Object Number: 295469 Size: CH

Connector Part Information
    • 12110505
    • 2-Way F Metri-Pack 150 Series (YE)

Pin

Wire Color

Circuit No.

Function

A

D-GN

2105

Side Impact Module - Left - High Control

B

BN

2106

Side Impact Module - Left - Low Control

Inflatable Restraint Roof Rail Module - Right (ASF)


Object Number: 295469 Size: CH

Connector Part Information
    • 12110505
    • 2-Way F Metri-Pack 150 Series (YE)

Pin

Wire Color

Circuit No.

Function

A

GY

2103

Side Impact Module - Right - High Control

B

D-BU

2104

Side Impact Module - Right - Low Control

Inflatable Restraint Seat Position Sensor (SPS) - Left


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2638

Driver Seat Position Sensor - High

B

BK

2644

Seat Position Sensor Return

Inflatable Restraint Seat Position Sensor (SPS) - Right


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2645

Passenger Seat Position - High

B

BK

2644

Seat Position Sensor Return

Inflatable Restraint Sensing and Diagnostic Module (SDM)


Object Number: 1468532 Size: CH

Connector Part Information
    • 15460259
    • 60-Way F 0.64 Series Unsealed (YE)

Pin

Wire Color

Circuit No.

Function

1

BK/WH

751

Ground

2-3

--

--

Not Used

4

WH

3023

Steering Wheel Module - Stage 2 - High Control

5

PK

3022

Steering Wheel Module - Stage 2 - Low Control

6

PU

3026

I/P Module - Stage 2 - Low Control

7

GY

3027

I/P Module - Stage 2 - High Control

8

TN

3021

Steering Wheel Module - Stage 1 - High Control

9

BN

3020

Steering Wheel Module - Stage 1 - Low Control

10

OG

3024

I/P Module - Stage 1 - Low Control

11

YE

3025

I/P Module - Stage 1 - High Control

12

D-GN

2105

Side Impact Module - Left - High Control

13

BN

2106

Side Impact Module - Left - Low Control

14

D-BU

2104

Side Impact Module - Right - Low Control

15

GY

2103

Side Impact Module - Right - High Control

16

BK/WH

2118

Seat Belt Pretensioner - Left - High Control

17

OG/BK

2119

Seat Belt Pretensioner - Left - High Control

18

OG

2117

Seat Belt Pretensioner - Right - Low Control

19

L-GN

2116

Seat Belt Pretensioner - Right - High Control

20-27

--

--

Not Used

28

BK/WH

2644

Seat Position Sensor Return

29

BK/WH

238

Seat Belt Switch - Left

30

RD

2484

Seat Belt Switch Signal - Passenger - Solenoid Reset

31

YE

1139

Ignition 1 Voltage

32

D-BU

1128

Class 2 Serial Data

33

--

--

Not Used

34

PK

2306

Occupant Sensor - Serial Data Link

35-46

--

--

Not Used

47

WH

2162

Side Impact Sensor - Left - Signal (ASF)

48

D-GN

2164

Side Impact Sensor - Right - Signal (ASF)

49

TN

2163

Side Impact Sensor - Right - Voltage (ASF)

50

YE

2161

Side Impact Sensor - Left - Voltage (ASF)

51-54

--

--

Not Used

55

YE

354

Discriminating Sensor - Signal

56

D-GN

1409

Discriminating Sensor - Right - Signal

57

YE

1834

Forward Discriminating Sensor Signal

58

GY

349

Discriminating Sensor - Left - Signal

59

L-GN/WH

2638

Driver Seat Position Sensor - High

60

L-BU

2645

Passenger Seat Position - High

Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)


Object Number: 684970 Size: CH

Connector Part Information
    • 15356726
    • 2-Way F GT 150 Series Sealed 4.0 (YE)

Pin

Wire Color

Circuit No.

Function

A

WH

2162

Side Impact Sensor - Left - Signal

B

YE

2161

Side Impact Sensor - Left - Voltage

Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)


Object Number: 684970 Size: CH

Connector Part Information
    • 15356726
    • 2-Way F GT 150 Series Sealed 4.0 (YE)

Pin

Wire Color

Circuit No.

Function

A

D-GN

2164

Side Impact Sensor - Right Signal

B

TN

2163

Side Impact Sensor - Right - Voltage

Inflatable Restraint Steering Wheel Module C1


Object Number: 966373 Size: CH

Connector Part Information
    • 54550271
    • 2-Way F ABX-3 Code B (WH)

Pin

Wire Color

Circuit No.

Function

A

TN

3021

Steering Wheel Module - Stage 1 - High Control

B

BN

3020

Steering Wheel Module - Stage 1 - Low Control

Inflatable Restraint Steering Wheel Module C2


Object Number: 966368 Size: CH

Connector Part Information
    • 54550271
    • 2-Way F ABX-3 Code G (PK)

Pin

Wire Color

Circuit No.

Function

A

WH

3023

Steering Wheel Module - Stage 2 - High Control

B

PK

3022

Steering Wheel Module - Stage 2 - Low Control

Seat Belt Pretensioner - Left


Object Number: 820231 Size: CH

Connector Part Information
    • 9098012138
    • 2-Way F (YE)

Pin

Wire Color

Circuit No.

Function

1

BK

2118

Seat Belt Pretensioner - Left - High Control

2

WH

2119

Seat Belt Pretensioner - Left - Low Control

Seat Belt Pretensioner - Right


Object Number: 820231 Size: CH

Connector Part Information
    • 9098012138
    • 2-Way F (YE)

Pin

Wire Color

Circuit No.

Function

1

BK

2116

Seat Belt Pretensioner - Right - High Control

2

WH

2117

Seat Belt Pretensioner - Right - Low Control

Rollover Sensor


Object Number: 1468541 Size: CH

Connector Part Information
    • 15418083
    • 6-Way F 0.64 Series Unsealed (YE)

Pin

Wire Color

Circuit No.

Function

1

YE

1139

Ignition 1 Voltage

2-4

--

--

Not Used

5

PK

2306

Occupant Sensor - Serial Data

6

BK/WH

751

Ground