GM Service Manual Online
For 1990-2009 cars only
Table 1: Air Suspension Compressor (Early Production SUV)
Table 2: Air Suspension Compressor - 1 (Except Early Production SUV)
Table 3: Air Suspension Compressor - 2 (Except Early Production SUV)
Table 4: Air Suspension Exhaust Valve
Table 5: Air Suspension Inflator Switch
Table 6: Air Suspension Inlet Valve - LR/RR
Table 7: Air Suspension Module
Table 8: Air Suspension Pressure Sensor
Table 9: Air Suspension Sensor - LR
Table 10: Air Suspension Sensor - RR
Table 11: Electronically Controlled Air Suspension Compressor Relay
Table 12: Air Suspension Ride Height Switch

Air Suspension Compressor (Early Production SUV)


Object Number: 668832  Size: CH

Connector Part Information

    • 12124685
    • 3-Way F Metri-Pack 680 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

1A

Compressor Battery Positive Voltage

B

BK

2A

Ground

C

YE

3L

Over Temperature Signal

Air Suspension Compressor - 1 (Except Early Production SUV)


Object Number: 848685  Size: CH

Connector Part Information

    • 344080-1
    • 4-Way F Econoseal 3 High Current(BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

3L

Over Temperature Signal

3

BK

2F

Ground

4

RD

1C

Battery Positive Voltage

Air Suspension Compressor - 2 (Except Early Production SUV)


Object Number: 848685  Size: CH

Connector Part Information

    • 344080-1
    • 4-Way F Econoseal 3 High Current(BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

3W

Over Temperature Signal

3

BK

2G

Ground

4

RD

1D

Battery Positive Voltage

Air Suspension Exhaust Valve


Object Number: 848685  Size: CH

Connector Part Information

    • 344270-3
    • 4-Way F AMP 070 Series Sealed (BU)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

3P

Air Suspension Exhaust Valve Control

3

YE

3U

Low Reference

4

--

--

Not Used

Air Suspension Inflator Switch


Object Number: 632353  Size: CH

Connector Part Information

    • 15326813
    • 3-Way M 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

5523

Inflator Switch Signal

B

L-GN

5522

Inflator Switch Low Reference

C

OR

5524

Inflator Switch Indicator Control

Air Suspension Inlet Valve - LR/RR


Object Number: 848683  Size: CH

Connector Part Information

    • 344270-1
    • 4-Way F AMP 070 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

YE

3S

Low Reference

2

YE

3N

Inlet Valve - LR Control

3

YE

3T

Low Reference

4

YE

3O

Inlet Valve - RR Control

Air Suspension Module


Object Number: 39784  Size: CH

Connector Part Information

    • 12129225
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

YE

3P

Air Suspension Exhaust Valve Control

2

YE

3O

Air Suspension Inlet Valve-RR Control

3

YE

3A

5-Volt Reference

4

YE

3C

Air Suspension Sensor Signal - RR

5

YE

3B

Air Suspension Sensor Signal - LR

6

YE

3G

Ride Height Switch Signal

7

YE

2D

Low Reference

8

YE

2B

Ground

9

YE

3W

Overtemp Signal (Execpt Early Production SUV)

10

YE

3J

Class 2 Serial Data

11

YE

3K

Air Suspension Pressure Sensor Signal

12

YE

1B

Battery Positive Voltage

13

YE

3M

Air Suspension Relay Control

14

YE

3N

Air Suspension Inlet Valve-LR Control

15

YE

3E

Ride Height Active Indicator Control

16

YE

3D

Inflator Switch Indicator Control

17

YE

3H

Inflator Switch Signal

18

YE

3L

Overtemperature Signal

19

YE

2E

Low Reference

20

YE

2C

Inflator Switch Low Reference

21

YE

3F

Ignition 3 Voltage

22

YE

3J

Class 2 Serial Data (Except Early Production SUV)

23

YE

3R

Low Reference

24

YE

3S

Low Reference

Air Suspension Pressure Sensor


Object Number: 848684  Size: CH

Connector Part Information

    • 9800426
    • 4-Way F Schlemmer DIN Sealed (GN)

Pin

Wire Color

Circuit No.

Function

1

YE

3A

5-Volt Reference

2

YE

2E

Low Reference

3

YE

3K

Air Suspension Pressure Sensor Signal

4

--

--

Not Used

Air Suspension Sensor - LR


Object Number: 831393  Size: CH

Connector Part Information

    • 15355474
    • 6-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

2165

5-Volt Reference

2

BN

2184

Air Suspension Sensor Signal - LR

3

PU

2185

Low Reference

4-6

--

--

Not Used

Air Suspension Sensor - RR


Object Number: 831393  Size: CH

Connector Part Information

    • 15355474
    • 6-Way F MQS Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

2185

Low Reference

2

BN

2227

Air Suspension Sensor Signal - RR

3

GY

2165

5-Volt Reference

4-6

--

--

Not Used

Electronically Controlled Air Suspension Compressor Relay


Object Number: 603108  Size: CH

Connector Part Information

    • 15336745
    • 4-Way F GR 280 Series Metri-Pack 800 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

30

D-GN

322

Air Suspension Compressor Motor Control

85

GY

2672

Air Suspension Relay Control

86

YE

321

Low Reference

87

RD

4042

Air Suspension Relay Supply Voltage

Air Suspension Ride Height Switch


Object Number: 40446  Size: CH

Connector Part Information

    • 12177194
    • 6-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

L-BU

5521

Ride Height Switch Signal

B

BK

1050

Ground

C

WH

5520

Ride Height Active Indicator Control

D

PU/WH

1382

LED Dimming Signal

E

BN/WH

230

Instrument Panel Lamps Dimming Control

F

BN

241

Ignition 3 Voltage