GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Express - AWD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position (APP) Sensor (JL4)
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Table 7: Fuel Injector 1
Table 8: Fuel Injector 2
Table 9: Fuel Injector 3
Table 10: Fuel Injector 4
Table 11: Fuel Injector 5
Table 12: Fuel Injector 6
Table 13: Fuel Injector 7
Table 14: Fuel Injector 8
Table 15: Fuel Pump and Sender Assembly
Table 16: Fuel Tank Pressure (FTP) Sensor
Table 17: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 18: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 19: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 20: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 21: Idle Air Control (IAC) Valve (w/o JL4)
Table 22: Ignition Coil/Module 1
Table 23: Ignition Coil/Module 2
Table 24: Ignition Coil/Module 3
Table 25: Ignition Coil/Module 4
Table 26: Ignition Coil/Module 5
Table 27: Ignition Coil/Module 6
Table 28: Ignition Coil/Module 7
Table 29: Ignition Coil/Module 8
Table 30: Manifold Absolute Pressure (MAP) Sensor
Table 31: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 32: Throttle Actuator Control (TAC) Module - C1 (JL4)
Table 33: Throttle Actuator Control (TAC) Module - C2 (JL4)
Table 34: Throttle Body (JL4)
Table 35: Throttle Position (TP) Sensor (w/o JL4)

Accelerator Pedal Position (APP) Sensor (JL4)


Object Number: 666638 Size: CH

Connector Part Information
    • 12177081
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1271

Low Reference

B

PU

1272

5-Volt Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

Low Reference

E

--

--

Not Used

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H-K

--

--

Not Used

Camshaft Position (CMP) Sensor


Object Number: 516611 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN/WH

633

CMP Sensor Signal

B

PK/BK

632

Low Reference

C

OG

631

12-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 366117 Size: CH

Connector Part Information
    • 15324165
    • 3-Way F Metri-Pack 150 Series Sealed (NA)

Pin

Wire Color

Circuit No.

Function

A

YE

573

CKP Sensor Signal

B

PU

574

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 900247 Size: CH

Connector Part Information
    • 15359366
    • 2-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

410

ECT Sensor Signal

B

TN

2761

Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 684829 Size: CH

Connector Part Information
    • 12124037
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Valve Control

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


Object Number: 684795 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

140

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Valve Control

Fuel Injector 1


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

OG/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 833727 Size: CH

Connector Part Information
    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


Object Number: 684908 Size: CH

Connector Part Information
    • 15326631
    • 4-Way F GT 280 Series Sealed 5.8 (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

150

Ground

B

PU

1589

Fuel Level Sensor Signal

C

TN

2759

Low Reference

D

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

2709

5-Volt Reference B

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 806613 Size: CH

Connector Part Information
    • 15326423
    • 4-Way M Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

L-BU

5038

HO2S Heater Low Control - Bank 1 Sensor 1

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 806613 Size: CH

Connector Part Information
    • 15326423 (5.3L)
    • 12160825 (4.8L/6.0L)
    • 4-Way M Metri-Pack 150 Series Sealed (GY) 5.3L or (BK) 4.8L/6.0L

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal - Bank 1 Sensor 2

C

PU

5035

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 806613 Size: CH

Connector Part Information
    • 12160825
    • 4-Way M Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

PU/WH

5037

HO2S Heater Low Control - Bank 2 Sensor 1

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 806613 Size: CH

Connector Part Information
    • 12160825 (5.3L)
    • 15326423 (4.8L/6.0L)
    • 4-Way M Metri-Pack 150 Series Sealed (BK) 5.3L or (GY) 4.8L/6.0L

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PU

1670

HO2S High Signal - Bank 2 Sensor 2

C

YE

5036

HO2S Heater Low Control - Bank 2 Sensor 2

D

PK

1539

Ignition 1 Voltage

Idle Air Control (IAC) Valve (w/o JL4)


Object Number: 684948 Size: CH

Connector Part Information
    • 15354716
    • 4-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

444

IAC Coil B Low Control

B

L-GN/WH

1749

IAC Coil B High Control

C

L-BU/BK

1748

IAC Coil A Low Control

D

L-BU/WH

1747

IAC Coil A High Control

Ignition Coil/Module 1


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 2


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2122

IC 2 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 3


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 4


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2124

IC 4 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 5


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 6


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2126

IC 6 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 7


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 8


Object Number: 1401799 Size: CH

Connector Part Information
    • 12162724
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2128

IC 8 Control

D

PK

39

Ignition 1 Voltage

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840 Size: CH

Connector Part Information
    • 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

597

5-Volt Reference A

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor


Object Number: 647974 Size: CH

Connector Part Information
    • 15326822
    • 5-Way F GT 150 Series Sealed 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

PK

139

Ignition 1 Voltage

C

BK/WH

1551

Ground

D

TN

472

IAT Sensor Signal

E

TN

470

Low Reference

Throttle Actuator Control (TAC) Module - C1 (JL4)


Object Number: 261930 Size: CH

Connector Part Information
    • 12191065
    • 16-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

D-GN

485

TP Sensor 1 Signal

2

GY

416

5-Volt Reference

3

BK

452

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Cruise Control Resume/Accel Switch Signal

6

L-BU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

7

PK

1339

Ignition 1 Voltage

8

BN

582

TAC Motor Control - 2

9

L-BU/BK

1688

5-Volt Reference

10

BK/WH

1704

Low Reference

11

PU

486

TP Sensor 2 Signal

12

OG/BK

1061

UART Serial Data

13

D-BU/WH

774

UART Serial Data

14

GY

397

Cruise Control On Switch Signal

15

BK

1250

Ground

16

YE

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module - C2 (JL4)


Object Number: 666638 Size: CH

Connector Part Information
    • 12177081
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PU

1272

5-Volt Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

Low Reference

E

--

--

Not Used

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

--

--

Not Used

Throttle Body (JL4)


Object Number: 831368 Size: CH

Connector Part Information
    • 15326836
    • 8-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

581

TAC Motor Control - 1

B

BK/WH

1704

Low Reference

C

BN

582

TAC Motor Control - 2

D

BK

452

Low Reference

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

G

D-GN

485

TP Sensor 1 Signal

H

GY

416

5-Volt Reference

Throttle Position (TP) Sensor (w/o JL4)


Object Number: 726824 Size: CH

Connector Part Information
    • 15344137
    • 3-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

2701

5-Volt Reference A

2

TN

2752

Low Reference

3

D-BU

411

TP Sensor Signal