GM Service Manual Online
For 1990-2009 cars only
Table 1: Input Shaft Speed (ISS) Sensor
Table 2: Over Drive Switch
Table 3: Park/Neutral Position (PNP) Diode
Table 4: Park/Neutral Position (PNP) Switch
Table 5: Transmission Control Module (TCM) - C1
Table 6: Transmission Control Module (TCM) - C2
Table 7: Vehicle Speed Sensor (VSS)

Input Shaft Speed (ISS) Sensor


Object Number: 1348542  Size: CH

Connector Part Information

    • Sumitomo E02-FGY
    • 2-Way (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/YE

328

Low Reference

2

BN/RD

325

Input Shaft Speed (ISS) Sensor Signal

Over Drive Switch


Object Number: 1467109  Size: CH

Connector Part Information

    • KET MG 651026
    • 2-Way F 090-II Series (WH)

Pin

Wire Color

Circuit No.

Function

1

RD/YE

139

Ignition 1 Voltage

2

D-BU/RD

956

Over Drive Switch Signal

Park/Neutral Position (PNP) Diode


Object Number: 1468507  Size: CH

Connector Part Information

    • KET MG 621538
    • 3-Way DIODE Connector

Pin

Wire Color

Circuit No.

Function

A

OG/BK

971

Park/Neutral Position (PNP) Switch Park Signal

B

D-BU

1786

Transmission Park Neutral Signal 1

C

OG/D-BU

973

Park/Neutral Position (PNP) Switch Neutral Signal

Park/Neutral Position (PNP) Switch


Object Number: 1348540  Size: CH

Connector Part Information

    • Samitomo 6195-0238
    • 9-Way (BK)

Pin

Wire Color

Circuit Number

Function

1

BK/WH

1739

Ignition 1 Voltage

2

D-GN/RD

976

Park/Neutral Position (PNP) Switch Low 2 Signal

3

OG/D-BU

973

Park/Neutral Position (PNP) Switch Neutral Signal

4

OG/BK

971

Park/Neutral Position (PNP) Switch Park Signal

5

D-GN/GY

24

Backup Lamp Supply Voltage

6

YE/BK

6

Starter Solenoid Crank Voltage

7

D-GN/D-BU

977

Park/Neutral Position (PNP) Switch Low Signal

8

D-GN

974

Park/Neutral Position (PNP) Switch Drive Signal

9

BK/RD

7

Crank Voltage

Transmission Control Module (TCM) - C1


Object Number: 1506603  Size: CH

Connector Part Information

    • AMP 316317
    • 24-Way F .040II SRS MULTI - LOCK CONN 24POS PLUG HSG ASSY (L)(WH)

Pin

Wire Color

Circuit Number

Function

1

L-GN/BK

323

Line Pressure Solenoid Control

2

BK

325

Low Reference

3

L-GN/RD

324

Lock-up Duty Solenoid Control

4-7

--

--

Not Used

8

D-GN/YE

328

Low Reference

9

BN/RD

326

Input Shaft Speed (ISS) Sensor Signal

10

BK/WH

1739

Ignition 1 Voltage

11

BK/WH

1739

Ignition 1 Voltage

12

PK/D-BU

941

Transmission Control Module (TCM) Warning Lamp Control

13-16

--

--

Not Used

17

PU

952

Diagnosis Enable

18

D-BU/RD

956

Overdrive (O/D) OFF SW

19

OG

240

Battery Positive Voltage

20

D-GN/BK

1222

Shift Solenoid B Control

21

D-GN/WH

1223

Shift Solenoid A Control

22-23

--

--

Not Used

24

RD/WH

812

A/C Compressor Status Signal

Transmission Control Module (TCM) - C2


Object Number: 1506604  Size: CH

Connector Part Information

    • AMP 316372
    • 24-Way F .040II SRS MULTI - LOCK CONN 24POS PLUG ASSY (R) (GY)

Pin

Wire Color

Circuit Number

Function

25

BK

750

Ground

26

OG/BK

971

Park/Neutral Position (PNP) Switch Park Signal

27

D-GN/RD

976

Park/Neutral Position (PNP) Switch Low 2 Signal

28-31

--

--

Not Used

32

WH

1230

Vehicle Speed Signal

33

--

--

Not Used

34

D-GN/D-BU

977

Park/Neutral Position (PNP) Switch Low Signal

35

D-GN

974

Park/Neutral Position (PNP) Switch Drive Signal

36

D-GN/GY

24

Backup Lamp Supply Voltage

37

--

--

Not Used

38

OG/D-BU

973

Park/Neutral Position (PNP) Switch Neutral Signal

39

BN

948

Engine Speed Signal

40

BN

437

Vehicle Speed Signal

41-42

--

--

Not Used

43

BK

750

Ground

44-45

--

--

Not Used

46

PK/D-GN

420

Throttle Position (TP) Signal

47

--

--

Not Used

48

D-GN/RD

327

Automatic Transmission Fluid (ATF) Temperature Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 1348541  Size: CH

Connector Part Information

    • Sumitomo 6248-5317
    • 3-Way (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

1230

Vehicle Speed Signal

2

BK

750

Ground

3

BK/WH

1739

Ignition 1 Voltage