GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Optra 🢒 Engine 🢒 Engine Controls - 1.4L DOHC 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position Sensor (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 (ECE 83 Emissions)
Table 6: Exhaust Gas Recirculation (EGR) Valve (Euro Emissions)
Table 7: Fuel Injector 1
Table 8: Fuel Injector 2
Table 9: Fuel Injector 3
Table 10: Fuel Injector 4
Table 11: Fuel Pump/Sender
Table 12: Heated Oxygen Sensor (HO2S) 1
Table 13: Heated Oxygen Sensor (HO2S) 2
Table 14: Ignition Coil Module (1 and 4)
Table 15: Ignition Coil Module (2 and 3)
Table 16: Intake Air Temperature (IAT) Sensor
Table 17: Intake Manifold Tuning Valve
Table 18: Knock Sensor (KS)
Table 19: Manifold Absolute Pressure (MAP) Sensor
Table 20: Octane Selection Switch
Table 21: Oxygen (O2) Sensor
Table 22: Rough Road Wheel Speed Sensor
Table 23: Throttle Body
Table 24: Engine Control Module (ECM)

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

PK/BK

1846

Ignition 1 Voltage

2

L-GN

632

Low Reference

3

BN/WH

633

Camshaft Position (CMP) Sensor Signal

Crankshaft Position Sensor (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/BK

1868

Low Reference

2

D-BU/WH

1869

Crankshaft Position (CKP) Sensor Signal

3

BK/WH

51

Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 62426 Size: CH

Connector Part Information
    • PED 12040753
    • 2-Way F Metri-Pack 150 Series, Sealed, Pull To Seat (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

2

BK/YE

808

Low Reference

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve


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

PK/BK

1846

Ignition 1 Voltage

2

D-GN/BK

428

EVAP Canister Purge Solenoid Control

Exhaust Gas Recirculation (EGR) Valve (ECE 83 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

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Control

2

PK

139

Ignition 1 Voltage

Exhaust Gas Recirculation (EGR) Valve (Euro Emissions)


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

GY

416

5-Volt Reference Voltage

2

BK/YE

808

Sensor Ground

3

BN

1456

Exhaust Gas Recirculation (EGR) Signal

4

PK

139

Ignition 1 Voltage

5

--

--

Not Used

6

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Low 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

PK

139

Ignition 1 Voltage

2

BK

1744

Fuel Injector 1 Control

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

PK

139

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector 2 Control

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

PK

139

Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector 3 Control

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

PK

139

Ignition 1 Voltage

2

L-BU/BK

844

Fuel Injector 4 Control

Fuel Pump/Sender


Object Number: 1468528 Size: CH

Connector Part Information
    • AMP 936039
    • 6-Way F FUEL PUMP 6POS CONN'R ASS'Y (BN)

Pin

Wire Color

Circuit Number

Function

1

D-BU

1936

Fuel Level Sensor Signal

2

BK

1250

Ground

3

GY

120

Fuel Pump Supply Voltage

4

BK

1250

Ground

5

PU

172

Low Fuel Indicator Control

6

PU/BK

632

Low Reference

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/WH

1665

Heated Oxygen Sensor (HO2S) 1 Low Reference

2

PK/BK

1846

Ignition 1 Voltage

3

OG/BK

469

Heated Oxygen Sensor (HO2S) 1 Heater Control

4

BN/WH

1666

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

PU

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

2

PK/BK

1846

Ignition 1 Voltage

3

L-GN

413

Heated Oxygen Sensor (HO2S) 2 Heater Control

4

BN/BK

1671

Heated Oxygen Sensor (HO2S) 2 Signal

Ignition Coil Module (1 and 4)


Object Number: 1467100 Size: CH

Connector Part Information
    • KET MG 641789-4
    • 2-Way F 090-II WP Series

Pin

Wire Color

Circuit Number

Function

1

OG

406

Ignition Coil Control (1 and 4)

2

PK

739

Ignition 1 Voltage

Ignition Coil Module (2 and 3)


Object Number: 1467099 Size: CH

Connector Part Information
    • KET MG 641637-5
    • 2-Way F 090-II WP Series (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

423

Ignition Coil Control (2 and 3)

2

PK

739

Ignition 1 Voltage

Intake Air Temperature (IAT) 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

BN

472

Intake Air Temperature (IAT) Sensor Signal

2

OG/BK

469

Low Reference

Intake Manifold Tuning Valve


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

WH/BK

962

Intake Manifold Tuning Valve Solenoid Control

2

PK/BU

539

Ignition 1 Voltage

Knock Sensor (KS)


Object Number: 1466993 Size: CH

Connector Part Information
    • AMP 368215-1
    • 3-Way F JPT 3P Ass'y for Knock Sensor (GY)

Pin

Wire Color

Circuit Number

Function

1

YE/BK

496

Knock Sensor (KS) Signal

2

D-BU/WH

1876

Low Reference

3

BK/WH

51

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

OG/BK

469

Low Reference

B

L-GN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

L-BU/BK

1688

5-Volt Reference

Octane Selection Switch


Object Number: 1467076 Size: CH

Connector Part Information
    • KET MG 640329
    • 3-Way M SWP Series (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

773

Octane Switch Signal

2

BK/WH

251

Ground

3

L-BU

772

Octane Switch Signal

Oxygen (O2) Sensor


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/WH

1665

Oxygen (O2) Sensor Signal

2

OG/BK

469

Low Reference

Rough Road Wheel Speed Sensor


Object Number: 537107 Size: CH

Connector Part Information
    • PED 12052644
    • 2-Way F Metri-Pack 150 Series, Sealed (GY)

Pin

Wire Color

Circuit Number

Function

1

WH

873

Rough Road Sensor Signal

2

OG

830

5-Volt Reference

Throttle Body


Object Number: 1466987 Size: CH

Connector Part Information
    • AMP 174982-2
    • 8-Way F 070 Series Econoseal J-Mark II + 8P (BK)

Pin

Wire Color

Circuit Number

Function

1

D-BU

426

Idle Motor Return

2

GY

416

5-Volt Reference

3

--

--

Not Used

4

D-GN

534

High Idle Switch Signal

5

L-BU

425

Idle Motor Feed

6

PK

427

Idle Speed Motor Switch Signal

7

D-BU

417

Throttle Position (TP) Sensor Signal

8

BK/YE

808

Low Reference

Engine Control Module (ECM)


Object Number: 1500001 Size: CF

Connector Part Information
    • FC-1
    • 90-Way F Connector (BK)

Pin

Wire Color

Circuit Number

Function

1-2

--

--

Not Used

3

BK/WH

251

Ground

4

--

--

Not Used

5

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Low Control

6

D-GN/WH

465

Fuel Pump Relay Control

7

D-BU/WH

471

Main Relay Control

8

D-GN

135

Engine Coolant Temperature (ECT) Gage Signal

9

D-BU

473

High Speed - Cooling Fan Relay Control

10

D-GN

335

Low Speed - Cooling Fan Relay Control

11

BK/WH

51

Shield Ground

12

D-BU/WH

1876

Low Reference

13

OG/BK

469

Heated Oxygen Sensor (HO2S) 1 Heater Control

14

PU

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

15

--

--

Not Used

16

BN

413

Heated Oxygen Sensor (HO2S) 2 Heater Control

17

L-GN

632

Low Reference

18

--

--

Not Used

19

BK/YE

808

Low Reference

20

L-BU

203

A/C Refrigerant Pressure Sensor Signal

21

D-BU

1936

Fuel Level Sensor Signal

22

BN/WH

633

Camshaft Position (CMP) Sensor Signal

23

--

--

Not Used

24

BK/WH

251

Ground

25

BK/WH

51

Shield Ground

26

--

--

Not Used

27

L-BU

772

Octane Switch Signal (Non-OBD)

BK/WH

251

Ground (Euro Emissions)

28

BK/WH

251

Ground

29

PK

539

Ignition 1 Voltage

30

OG

440

Battery Positive Voltage

31

WH

423

Ignition Coil (IC) Timing Control (2 and 3)

32

OG

406

Ignition Coil (IC) Timing Control (1 and 4)

33

BK/WH

251

Ground

34

--

--

Not Used

35

BN/WH

1666

Heated Oxygen Sensor (HO2S) 1 Signal

36

--

--

Not Used

37

WH/BK

962

Intake Manifold Tuning Valve Solenoid Control

38

--

--

Not Used

39

BN/WH

419

Multifunction Indicator Lamp (MIL) Control

40

PU

30

Fuel Level Sensor Signal

41

PU

67

A/C Compressor Clutch Coil Supply Voltage

42

YE/BK

496

Knock Sensor (KS) Signal

43

D-GN

534

High Idle Switch Signal

44

PU/WH

1665

Heated Oxygen Sensor (HO2S) 1 Low Reference (OBD)

O2 Sensor Signal (Non OBD)

45

BN

1456

Exhaust Gas Recirculation (EGR) Valve Position Signal

46

GY

605

Low Reference

47-49

--

--

Not Used

50

L-BU/BK

1688

5-Volt Reference

51

D-GN/WH

817

Vehicle Speed Signal (Manual Transmission)

52

D-GN/WH

762

A/C Request Signal

53

WH

873

Rough Road Sensor Signal

D-BU

876

Rough Road Sensor Signal w/ABS

54

D-BU/WH

1869

Low Reference

55

PK

427

Idle Speed Control Motor Switch Signal

56

BN

2000

Keyword Serial Data

57

YE

710

CAN Serial Data Low (Automatic Transmission)

58

--

--

Not Used

59

BK

1744

Fuel Injector 1 Control

60

PK/BK

1746

Fuel Injector 3 Control

61

D-BU

426

Idle Motor Return

62

L-BU

425

Idle Motor Feed

63

--

--

Not Used

64

BN/WH

1671

Heated Oxygen Sensor (HO2S) 2 Signal

65

D-GN/WH

428

EVAP Canister Purge Solenoid Control

66

PK/BK

1846

Ignition 1 Voltage

67

BK/WH

251

Ground

68

WH

121

Engine Speed Signal

69

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Low Control (Non OBD)

70-73

--

--

Not Used

74

D-BU

417

Throttle Position (TP) Sensor Signal

75

L-GN

432

Manifold Absolute Pressure (MAP) Sensor Signal

76

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

77

--

--

Not Used

78

BN

472

Intake Air Temperature (IAT) Sensor Signal

79

GY

416

5-Volt Reference

80

--

--

Not Used

81

PU

773

Octane Switch Signal

82

--

--

Not Used

83

BN

990

Power Steering Pressure Switch Signal

84

OG

830

5-Volt Reference

85

YE/BK

1868

Crankshaft Position Sensor Signal

86-87

--

--

Not Used

88

PU

1807

CAN Serial Data High

89

L-BU/BK

844

Fuel Injector 4 Control

90

L-GN/BK

1745

Fuel Injector 2 Control