GM Service Manual Online
For 1990-2009 cars only
Connector 1: Power Steering Control Module (PSCM) C1
Connector 2: Power Steering Control Module (PSCM) C2
Connector 3: Power Steering Control Module (PSCM) C3
Connector 4: Power Steering Control Module (PSCM) C4
Connector 5: Power Steering Control Module (PSCM) C5

Power Steering Control Module (PSCM) C1


Object Number: 1881316  Size: CH

Connector Part Information

  • OEM: 6098-0601
  • Service: Service by Harness - See Part Catalog
  • Description: 3-Way F TS 187 Series (L-GY)

Terminal Part Information

  • Terminal/Tray: See Catalog
  • Core/Insulation Crimp: See Catalog
  • Release Tool/Test Probe: See Catalog

Power Steering Control Module (PSCM) C1

Pin

Wire Color

Circuit No.

Function

1

RD

--

Motor W Phase

2

WH

--

Motor V Phase

3

BK

--

Motor U Phase

Power Steering Control Module (PSCM) C2


Object Number: 1881393  Size: CH

Connector Part Information

  • OEM: 1747085-1
  • Service: 19168086
  • Description: 6-Way F 0.64 Series (NA)

Terminal Part Information

  • Terminal/Tray: See Catalog
  • Core/Insulation Crimp: See Catalog
  • Release Tool/Test Probe: See Catalog

Power Steering Control Module (PSCM) C2

Pin

Wire Color

Circuit No.

Function

1

RD

--

Rotational Sensor Exciting

2

--

--

Not Used

3

BK

--

Rotational Sensor Exciting GND

4

--

--

Not Used

5

D-BU

--

Rotational Sensor COS

6

YE

--

Rotational Sensor SN

Power Steering Control Module (PSCM) C3


Object Number: 1881391  Size: CH

Connector Part Information

  • OEM: 1747088-1
  • Service: Service by Harness - See Part Catalog
  • Description: 8-Way F 0.64 Series (NA)

Terminal Part Information

  • Terminal/Tray: See Catalog
  • Core/Insulation Crimp: See Catalog
  • Release Tool/Test Probe: See Catalog

Power Steering Control Module (PSCM) C3

Pin

Wire Color

Circuit No.

Function

1

GY

--

Torque Sensor GND

2

WH

--

Torque Sensor Exciting GND

3

--

--

Not Used

4

D-GN

--

Torque Sensor Exciting

5

L-BU

--

Torque Sensor Output Shaft Side COS

6

YE

--

Torque Sensor Output Shaft Side SN

7

BK

--

Torque Sensor Input Shaft Side COS

8

PK

--

Torque Sensor Input Shaft Side SN

Power Steering Control Module (PSCM) C4


Object Number: 1866124  Size: CH

Connector Part Information

  • OEM: 1565287-1
  • Service: 19168086
  • Description: 12-Way F 0.64 Unsealed (NA)

Terminal Part Information

  • Terminal/Tray: 1123343-2/7
  • Core/Insulation Crimp: Pins 1, 2, 6, 7, 8 - J/J
  • Core/Insulation Crimp: Pins 2, 8 - K/K
  • Release Tool/Test Probe: J-38125-24/J-35616-64B (L-BU)

Power Steering Control Module (PSCM) C4

Pin

Wire Color

Circuit No.

Function

1

TN/BK

2500

High Speed GMLAN Serial Data Bus+

2

TN/BK

2500

High Speed GMLAN Serial Data Bus+

3-5

--

--

Not Used

6

L-BU

5986

Serial Data Communications Enable

7

TN

2501

High Speed GMLAN Serial Data Bus-

8

TN

2501

High Speed GMLAN Serial Data Bus-

9-12

--

--

Not Used

Power Steering Control Module (PSCM) C5


Object Number: 1866125  Size: CH

Connector Part Information

  • OEM: 7283-3521-40
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F (L-GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Power Steering Control Module (PSCM) C5

Pin

Wire Color

Circuit No.

Function

1

RD/BK

42

Battery Positive Voltage

2

BK

2050

Ground