GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
Table 5: Exhaust Gas Recirculation (EGR) Valve
Table 6: Fuel Injector 1
Table 7: Fuel Injector 2
Table 8: Fuel Injector 3
Table 9: Fuel Injector 4
Table 10: Fuel Pump/Sender
Table 11: Heated Oxygen Sensor (HO2S) 1
Table 12: Heated Oxygen Sensor (HO2S) 2
Table 13: Ignition Coil Module
Table 14: Intake Air Temperature (IAT) Sensor
Table 15: Knock Sensor (KS)
Table 16: Manifold Absolute Pressure (MAP) Sensor
Table 17: Octane Selection Switch
Table 18: Oxygen (O2) Sensor (ECE 96 Emissions)
Table 19: Rough Road Sensor
Table 20: Throttle Body (Main Throttle Idle Actuator (MTIA))
Table 21: Engine Control Module ECM (Sirius D4)

Camshaft Position (CMP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

    • AMP 85205-1
    • 3-Way F JR Power Timer 3P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

BN/RD

633

Camshaft Position (CMP) Sensor Signal

2

BN/YE

632

Low Reference

3

OG/BK

1733

Ignition 1 Voltage

Crankshaft Position (CKP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

    • AMP 85205-1
    • 3-Way F JR Power Timer 3P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

YE/RD

1868

Crankshaft Position (CKP) Sensor Signal

2

BK/YE

1869

Low Reference

3

BK/WH

1452

Shield Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

2

BK

808

Low Reference

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way FJR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

D-GN/WH

428

Evaporative Emissions (EVAP) Canister Purge Valve Solenoid Control

2

OG/BK

1733

Ignition 1 Voltage

Exhaust Gas Recirculation (EGR) Valve


Object Number: 1466981  Size: CH

Connector Part Information

    • AMP 174262-2
    • 6-Way F Econoseal J-Mark II + 6P (BK)

Pin

Wire Color

Circuit Number

Function

1

WH/RD

416

5-Volt Reference

2

BK

808

Low Reference

3

BN

1456

Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal

4

OG/BK

1733

Ignition 1 Voltage

5

--

--

Not Used

6

GY

435

Exhaust Gas Recirculation (EGR) Valve Control

Fuel Injector 1


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/YE

1744

Fuel Injector 1 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 2


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

D-BU/RD

1746

Fuel Injector 2 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 3


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

D-GN/RD

1745

Fuel Injector 3 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 4


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit Number

Function

1

BN

1743

Fuel Injector 4 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Pump/Sender


Object Number: 1468528  Size: CH

Connector Part Information

    • AMP 936039-1
    • 6-Way F Fuel Pump 6POS Conn'r Ass'y

Pin

Wire Color

Circuit Number

Function

1

RD/BK

1735

Fuel Level Sensor Signal

2

BK

550

Ground

3

PU

30

Fuel Pump Supply Voltage

4

BK

550

Ground

5

WH

172

Low Fuel Indicator Signal

6

BK

550

Ground

Heated Oxygen Sensor (HO2S) 1


Object Number: 1466979  Size: CH

Connector Part Information

    • AMP 174257-2
    • 4-Way M 070 Series Econoseal J MK-2 Plug Ass'y 4P (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

412

Heated Oxygen Sensor (HO2S) 1 Low Reference

2

BN/D-GN

1733

Ignition 1 Voltage

3

OG/BK

649

Heated Oxygen Sensor (HO2S) 1 Low Reference

4

OG/BK

413

Heated Oxygen Sensor (HO2S) 1 Signal

Heated Oxygen Sensor (HO2S) 2


Object Number: 1466979  Size: CH

Connector Part Information

    • AMP 174257-2
    • 4-Way M 070 Series Econoseal J MK-2 Plug Ass'y 4P (BK)

Pin

Wire Color

Circuit Number

Function

1

WH/YE

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

2

OG/BK

1733

Ignition 1 Voltage

3

YE/BK

414

Heated Oxygen Sensor (HO2S) 2 Low Reference

4

D-GN/RD

1671

Heated Oxygen Sensor (HO2S) 2 Signal

Ignition Coil Module


Object Number: 516611  Size: CH

Connector Part Information

    • PED 12059595
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

A

D-BU/RD

406

Ignition Coil 2 and 3 Control

B

RD/YE

39

Ignition 1 Voltage

C

RD

423

Ignition Coil 1 and 4 Control

Intake Air Temperature (IAT) Sensor


Object Number: 1468432  Size: CH

Connector Part Information

    • KUM PB 185-0206
    • 2-Way F JFC02P-B Ass'y

Pin

Wire Color

Circuit Number

Function

1

BN/D-GN

472

Intake Air Temperature (IAT) Sensor Signal

2

OG/BK

649

Low Reference

Knock Sensor (KS)


Object Number: 1466993  Size: CH

Connector Part Information

    • AMP 368215-1
    • 3-Way F JPT 3P Ass'y for Knock Sensor

Pin

Wire Color

Circuit Number

Function

1

D-BU/GY

496

Knock Sensor (KS) Signal

2

OOG/BK

469

Low Reference

3

BK/WH

952

Shield Ground

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • PED 12129946
    • 3-Way F Metri-Pack 150 Series, Sealed (GY)

Pin

Wire Color

Circuit Number

Function

A

D-BU/RD

1687

5-Volt Reference

B

D-GN/GY

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

OG/BK

649

Low Reference

Octane Selection Switch


Object Number: 1467062  Size: CH

Connector Part Information

    • KET MG 620395
    • 3-Way M SDL Series (WH)

Pin

Wire Color

Circuit Number

Function

1

D-GN/YE

2642

Octane Switch Signal

2

BK

750

Ground

3

D-GN/WH

2643

Octane Switch Signal

Oxygen (O2) Sensor (ECE 96 Emissions)


Object Number: 1466982  Size: CH

Connector Part Information

    • AMP 174352-2
    • 2-Way M Econoseal J Mark II + Connector Plug Housing (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

412

Oxygen Sensor (O2S) Signal

2

D-BU/BK

649

Low Reference

Rough Road Sensor


Object Number: 1466984  Size: CH

Connector Part Information

    • AMP 174359-2
    • 3-Way M 070 Series Econoseal Mark-2 Cap 3P (BK)

Pin

Wire Color

Circuit Number

Function

1

OG/BK

1733

Ignition 1 Voltage

2

BN/D-GN

833

Rough Road Signal (w/o ABS)

3

BN/YE

632

Low Reference

Throttle Body (Main Throttle Idle Actuator (MTIA))


Object Number: 1466987  Size: CH

Connector Part Information

    • AMP 174982-2
    • 8-Way M 070 Series Econoseal J-Mark II + 8P (BK)

Pin

Wire Color

Circuit Number

Function

1

D-BU/WH

1747

Idle Motor Speed Return

2

WH/RD

416

5-Volt Reference

3

--

--

Not Used

4

D-BU/RD

1688

Idle Motor Position Signal

5

D-BU/RD

1748

Idle Motor Speed Signal

6

D-GN/RD

444

Idle Switch Position Signal

7

D-BU/GY

417

Throttle Position (TP) Sensor Signal

8

BK

808

Low Reference

Engine Control Module ECM (Sirius D4)


Object Number: 1500001  Size: CF

Connector Part Information

    • FC1
    • 90-Way F Connector (BK)

Pin

Wire Color

Circuit Number

Function

1-2

--

--

Not Used

3

BK/WH

407

Shield Ground

4

--

--

Not Used

5

GY

435

Exhaust Gas Recirculation (EGR) Valve Control (Euro Emissions)

6

D-GN/BK

1799

Fuel Pump Relay Control

7

GY/BK

1798

Main Relay Control

8

--

--

Not Used

9

D-GN/BK

335

High Speed Cooling Fan Relay Control

10

D-BU/GY

473

Low Speed Cooling Fan Relay Control

11

BK/WH

951

Shield Ground

12

OG/BK

469

Low Reference

13

D-BU/BK

649

Low Reference

14

WH/YE

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference (Euro Only)

15

--

--

Not Used

16

OG/BK

414

Low Reference

OG/BK

414

Low Reference (Euro Emissions)

17

BN/YE

632

Low Reference

18

--

--

Not Used

19

BK

808

Low Reference

BK

808

Low Reference

20

--

--

Not Used

21

D-GN/RD

1753

Fuel Level Sensor Signal (Euro Only)

22

BN/RD

633

Camshaft Position (CMP) Sensor Signal

23

D-GN/OG

987

Serial Data

24

BK

750

Ground

25

BK/WH

1451

Shield Ground

26

OG/BK

1061

Serial Data

27

D-GN/YE

2642

Octane Selection Switch Signal

28

BK

750

Ground

29

RD/YE

39

Ignition 1 Voltage

30

OG

240

Battery Positive Voltage

31

D-BU/RD

406

Ignition Coil and 2 and 3 Control

32

RD

423

Ignition Coil and 1 and 4 Control

33

BK

750

Ground

34

--

--

Not Used

35

BN/D-GN

413

Heated Oxygen Sensor (HO2S) 1 Heater Control (Euro Emissions)

36-38

--

--

Not Used

39

BN/WH

419

Malfunction Indicator Lamp (MIL) Control (Euro 2000 Only)

40

PU

30

Fuel Gage Control (Euro 2000 Only)

41

D-GN/WH

459

A/C Clutch Relay Control

42

D-BU/GY

496

Knock Sensor (KS) Signal

43

D-BU/RD

1688

Idle Motor Position Signal

44

PU

412

Heated Oxygen Sensor (HO2S) 1 Signal

45

BN

1456

Exhaust Gas Recirculation (EGR) Valve Control

46

D-GN/YE

1752

Low Reference (Euro 2000 Only)

47-48

--

--

Not Used

49

D-BU/GY

732

Evaporator Temperature Sensor Signal

50

D-BU/RD

1687

Manifold Absolute Pressure (MAP) Sensor Signal

51

BN

437

Vehicle Speed Sensor (VSS) Signal

52

D-GN/WH

762

A/C Request Signal

53

GY/YE

886

Rough Road Signal w/ABS (Euro 2000 Only)

BN/D-GN

833

Rough Road Signal w/o ABS (Euro 2000 Only)

54

YE/RD

1868

Crankshaft Position (CKP) Sensor Signal

55

D-GN/RD

444

Idle Switch Position Signal

56

D-BU/YE

774

Serial Data

57-58

--

--

Not Used

59

RD/YE

1744

Fuel Injector 1 Control

60

D-GN/RD

1745

Fuel Injector 3 Control

61

D-BU/WH

1747

Idle Speed Motor Return

62

D-BU/RD

1748

Idle Speed Motor Feed

63

--

--

Not Used

64

D-GN/RD

1672

Heated Oxygen Sensor (HO2S) 2 Heater Control (Euro 2000 Only)

65

D-GN/WH

428

EVAP Canister Purge Valve Solenoid Control

66

OG/BK

1733

Ignition 1 Voltage

67

BK

750

Ground

68-69

--

--

Not Used

70

YE/D-BU

983

Overspeed Warning Signal (Euro 96, ECE 83)

71

BN/WH

419

Malfunction Indicator Lamp (MIL) Control (Euro 96, ECE 83)

72-73

--

--

Not Used

74

D-BU/GY

417

Throttle Position (TP) Sensor Signal

75

D-GN/GY

432

Manifold Absolute Pressure (MAP) Sensor Signal

76

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

77

--

--

Not Used

78

BN/D-GN

472

Intake Air Temperature (IAT) Sensor Signal

79

WH/RD

416

5-Volt Reference

WH/RD

416

5-Volt Reference (Euro Emissions)

80

--

--

Not Used

81

D-GN/WH

2643

Octane Switch Signal (ECE 83 Emissions)

82

--

--

Not Used

83

OG/BK

495

Power Steering Pressure Switch Signal

84

--

--

Not Used

85

BK/YE

1869

Low Reference

86

D-BU

1346

Headlamp Supply Voltage/Headlamp Control

87-88

--

--

Not Used

89

BN

1743

Fuel Injector 4 Control

90

D-BU/RD

1746

Fuel Injector 2 Control