GM Service Manual Online
For 1990-2009 cars only
Connector 1: Air Suspension Control Module (ASCM) C1 (F38)
Connector 2: Air Suspension Control Module (ASCM) C2 (F38)
Connector 3: Suspension Position Sensor - Left Rear (F38)
Connector 4: Suspension Position Sensor - Right Rear (F38)

Air Suspension Control Module (ASCM) C1 (F38)


Object Number: 646372  Size: CH

Connector Part Information

  • OEM: 15326654
  • Service: 88986254
  • Description: 8-Way F GT 280 Series Sealed 5.8 (BK)

Terminal Part Information

  • Pins: A, E
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B, C, D, G, H
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Air Suspension Control Module (ASCM) C1 (F38)

Pin

Wire Color

Circuit No.

Function

A

D-GN

322

Automatic Level Control Compressor Motor Supply Voltage

B

OG/YE

5727

High Speed GMLAN Serial Data Wake Up

C

RD/WH

3340

Battery Positive Voltage

D

PU

5956

Levelling Compressor Relay Coil Supply Voltage

E

BK

1050

Ground (Compressor)

F

--

--

Not Used

G

BK

850

Ground (ECU)

H

BN

5955

Levelling Compressor Relay Coil Low Reference

Air Suspension Control Module (ASCM) C2 (F38)


Object Number: 632344  Size: CH

Connector Part Information

  • OEM: 15326842
  • Service: 15326842
  • Description: 10-Way F 150 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Air Suspension Control Module (ASCM) C2 (F38)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

1208

Left Rear Strut Position Sensor Voltage Reference

B

L-GN/WH

1210

Left Rear Strut Position Sensor Signal

C

L-GN/BK

1209

Left Rear Strut Position Sensor Low Reference

D

TN

2501

High Speed GMLAN Serial Data Bus -

E

TN/BK

2500

High Speed GMLAN Serial Data Bus +

F

L-GN/BK

1215

Right Rear Strut Position Sensor Voltage Reference

G

L-GN/WH

1216

Right Rear Strut Position Sensor Signal

H

OG/BK

1214

Right Rear Strut Position Sensor Low Reference

J

TN

2501

High Speed GMLAN Serial Data Bus -

K

TN/BK

2500

High Speed GMLAN Serial Data Bus +

Suspension Position Sensor - Left Rear (F38)


Object Number: 831393  Size: CH

Connector Part Information

  • OEM: 1-967616-1
  • Service: 15306420
  • Description: 6-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 3
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Suspension Position Sensor - Left Rear (F38)

Pin

Wire Color

Circuit No.

Function

1

OG/BK

1208

Left Rear Strut Position Sensor Voltage Reference

2

L-GN/WH

1210

Left Rear Strut Position Sensor Signal

3

L-GN/BK

1209

Left Rear Strut Position Sensor Low Reference

4-6

--

--

Not Used

Suspension Position Sensor - Right Rear (F38)


Object Number: 831393  Size: CH

Connector Part Information

  • OEM: 1-967616-1
  • Service: 15306420
  • Description: 6-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 3
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Suspension Position Sensor - Right Rear (F38)

Pin

Wire Color

Circuit No.

Function

1

OG/BK

1214

Right Rear Strut Position Sensor Low Reference

2

L-GN/WH

1216

Right Rear Strut Position Sensor Signal

3

L-GN/BK

1215

Right Rear Strut Position Sensor Voltage Reference

4-6

--

--

Not Used