GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Camshaft Position (CMP) Sensor
Connector 3: Crankshaft Position (CKP) Sensor
Connector 4: DPF Differential Pressure Sensor
Connector 5: Engine Coolant Temperature (ECT) Sensor 1
Connector 6: Engine Coolant Temperature (ECT) Sensor 2
Connector 7: Exhaust Gas Temperature Sensor 1
Connector 8: Exhaust Gas Temperature Sensor 2
Connector 9: Exhaust Gas Recirculation (EGR) Valve
Connector 10: Fuel Heater
Connector 11: Fuel Injector 1
Connector 12: Fuel Injector 2
Connector 13: Fuel Injector 3
Connector 14: Fuel Injector 4
Connector 15: Fuel Injector 5
Connector 16: Fuel Injector 6
Connector 17: Fuel Injector 7
Connector 18: Fuel Injector 8
Connector 19: Fuel Pressure Regulator
Connector 20: Fuel Pump (+31 Series -NQZ)
Connector 21: Fuel Rail Pressure (FRP) Sensor
Connector 22: Fuel Rail Temperature (FRT) Sensor
Connector 23: Glow Plug Control Module (GPCM) X1
Connector 24: Glow Plug Control Module (GPCM) X2
Connector 25: Intake Air Valve
Connector 26: Intake Air Heater (IAH) Module X1
Connector 27: Intake Air Temperature (IAT) Sensor 2
Connector 28: Manifold Absolute Pressure (MAP) Sensor
Connector 29: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 30: Turbocharger Vane Position Control Solenoid Valve
Connector 31: Turbocharger Vane Position Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 886053  Size: CH

Connector Part Information

  • OEM: 15326830
  • Service: 88953153
  • Description: 6-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

A

0.35 PU

1272

Low Reference

B

0.35 L-BU

1162

APP Sensor 2 Signal

C

0.35 TN

1274

5-Volt Reference

D

0.35 WH/BK

1164

5-Volt Reference

E

0.35 D-BU

1161

APP Sensor 1 Signal

F

0.35 BN

1271

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 1366572  Size: CH

Connector Part Information

  • OEM: 6248-5317
  • Service: 19169256
  • Description: 3-Way F Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 8100-0460/6
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A

Camshaft Position (CMP) Sensor

Pin

Wire Color

Circuit No.

Function

1

0.5 D-BU/WH

IC27

CMP Sensor Signal

2

0.5 BN

IC28

Low Reference

3

0.5 D-BU

IC26

5-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 1366572  Size: CH

Connector Part Information

  • OEM: 6248-5317
  • Service: 19169256
  • Description: 3-Way F Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 8100-0460/6
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

1

0.5 WH/BK

IC24

CKP Sensor Signal

2

0.5 GY/BK

IC25

Low Reference

3

0.5 PU/WH

IC23

5-Volt Reference

DPF Differential Pressure Sensor


Object Number: 826262  Size: CH

Connector Part Information

  • OEM: 15401052
  • Service: 88953311
  • Description: 3-Way F 090 II Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 7116-4025/11
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15313892/J-35616-18 (BK)

DPF Differential Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

0.5 YE/BK

6055

Low Reference

2

0.5 D-BU

6053

DPF Sensor Signal

3

0.5 GY

6054

5-Volt Reference

Engine Coolant Temperature (ECT) Sensor 1


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 12162195
  • Service: 88987993
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-14 (GN)

Engine Coolant Temperature (ECT) Sensor 1

Pin

Wire Color

Circuit No.

Function

A

0.5 TN

IC47

Low Reference

B

0.5 YE

IC41

ECT Sensor Signal

Engine Coolant Temperature (ECT) Sensor 2


Object Number: 1548270  Size: CH

Connector Part Information

  • OEM: 15487232
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Coolant Temperature (ECT) Sensor 2

Pin

Wire Color

Circuit No.

Function

A

0.5 D-BU/BK

IC51

Low Reference

B

0.5 L-GN

IC50

ECT Sensor Signal

Exhaust Gas Temperature Sensor 1


Object Number: 681875  Size: CH

Connector Part Information

  • OEM: 13510099
  • Service: 19151499
  • Description: 2-Way M GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326268/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Exhaust Gas Temperature Sensor 1

Pin

Wire Color

Circuit No.

Function

A

0.5 D-BU

5277

Exhaust Gas Temperature Sensor

B

0.5 BN

6782

Low Reference

Exhaust Gas Temperature Sensor 2


Object Number: 681875  Size: CH

Connector Part Information

  • OEM: 13533785
  • Service: 19151499
  • Description: 2-Way M GT 150 Series Sealed (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

Exhaust Gas Temperature Sensor 2

Pin

Wire Color

Circuit No.

Function

A

0.5 L-BU

5377

Exhaust Gas Temperature Sensor

B

0.5 GY/BK

6783

Low Reference

Exhaust Gas Recirculation (EGR) Valve


Object Number: 1366573  Size: CH

Connector Part Information

  • OEM: 6195-0021
  • Service: 97324702
  • Description: 6-Way F DL Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 8240-4862/Sumitomo 22
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-18 (BK)

Exhaust Gas Recirculation (EGR) Valve

Pin

Wire Color

Circuit No.

Function

A

0.5 GY

IC142

5-Volt Reference

B

0.5 TN

IC143

Low Reference

C

0.5 BN/WH

IC144

EGR Valve Sensor Signal

D

0.5 OG/BK

IC140

EGR Valve Motor High Control

E

--

--

Not Used

F

0.5 L-GN/BK

IC141

EGR Valve Motor Low Control

Fuel Heater


Object Number: 1428179  Size: CH

Connector Part Information

  • OEM: 7318-3324-30
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 7114-1050/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Fuel Heater

Pin

Wire Color

Circuit No.

Function

A

0.85 PK

IC95

Ignition 1 Voltage

B

0.85 BK

IC96

Ground

Fuel Injector 1


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

1

2 TN

IC15

Fuel Injector 1 Control

2

2 OG

IC10

Fuel Injector Supply Voltage 1

Fuel Injector 2


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

1

2 L-GN/BK

IC16

Fuel Injector 2 Control

2

2 PU

IC13

Fuel Injector Supply Voltage 3

Fuel Injector 3


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

1

2 PK/BK

IC17

Fuel Injector 3 Control

2

2 PK

IC12

Fuel Injector Supply Voltage 4

Fuel Injector 4


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

1

2 L-BU/BK

IC18

Fuel Injector 4 Control

2

2 OG

IC60

Fuel Injector Supply Voltage 1

Fuel Injector 5


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 5

Pin

Wire Color

Circuit No.

Function

1

2 TN/WH

IC19

Fuel Injector 5 Control

2

2 PU

IC63

Fuel Injector Supply Voltage 3

Fuel Injector 6


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 6

Pin

Wire Color

Circuit No.

Function

1

2 YE/BK

IC20

Fuel Injector 6 Control

2

2 YE

IC11

Fuel Injector Supply Voltage 2

Fuel Injector 7


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 7

Pin

Wire Color

Circuit No.

Function

1

2 OG/BK

IC21

Fuel Injector 7 Control

2

2 YE

IC61

Fuel Injector Supply Voltage 2

Fuel Injector 8


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928404213
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.8 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Injector 8

Pin

Wire Color

Circuit No.

Function

1

2 BU/WH

IC22

Fuel Injector 8 Control

2

2 PK

IC62

Fuel Injector Supply Voltage 4

Fuel Pressure Regulator


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1928000453
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 1928498055/Delphi 8
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Fuel Pressure Regulator

Pin

Wire Color

Circuit No.

Function

1

0.5 YE

2834

Fuel Pressure Regulator Solenoid Control

2

0.5 PU/WH

2530

Fuel Pressure Regulator Solenoid Supply Voltage

Fuel Pump (+31 Series -NQZ)


Object Number: 365945  Size: CH

Connector Part Information

  • OEM: 12059450
  • Service: 15306134
  • Description: 2-Way M Metri-Pack 280 Series Sealed (BK)

Terminal Part Information

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

Fuel Pump (+31 Series -NQZ)

Pin

Wire Color

Circuit No.

Function

A

0.5 GY

120

Fuel Pump Supply Voltage

B

2 BK

2150

Ground

Fuel Rail Pressure (FRP) Sensor


Object Number: 1331443  Size: CH

Connector Part Information

  • OEM: 1928403968
  • Service: 88988595
  • Description: 3-Way F Kompakt 2.8 Series Sealed (BK)

Terminal Part Information

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

Fuel Rail Pressure (FRP) Sensor

Pin

Wire Color

Circuit No.

Function

1

0.5 OG/BK

2919

Low Reference

2

0.5 YE

2918

FRP Sensor Signal

3

0.5 TN

2917

5-Volt Reference

Fuel Rail Temperature (FRT) Sensor


Object Number: 784094  Size: CH

Connector Part Information

  • OEM: 178392-6
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F (GY)

Terminal Part Information

  • Terminal/Tray: 184030-1/7
  • Core/Insulation Crimp: E/D
  • Release Tool/Test Probe: 12094429/J-35616-33 (YE)

Fuel Rail Temperature (FRT) Sensor

Pin

Wire Color

Circuit No.

Function

1

0.5 YE

IC43

Fuel Temperature Sensor Signal

2

0.5 BN

IC44

Low Reference

Glow Plug Control Module (GPCM) X1


Object Number: 1366585  Size: CH

Connector Part Information

  • OEM: 15499498
  • Service: Service by Harness - See Part Catalog
  • Description: 1-Way F Sealed (BK)

Terminal Part Information

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

Glow Plug Control Module (GPCM) X1

Pin

Wire Color

Circuit No.

Function

1

13 RD

2

Battery Positive Voltage

Glow Plug Control Module (GPCM) X2


Object Number: 1576764  Size: CH

Connector Part Information

  • OEM: 897386-6110
  • Service: Service by Harness - See Part Catalog
  • Description: 53-Way F MLK 1.2/SLK 2.8 Series, Sealed (BK)

Terminal Part Information

  • Pins: 1-4, 6-9
  • Terminal/Tray: 2 21 24 47297 0/27
  • Core/Insulation Crimp: 4/C/1
  • Release Tool/Test Probe: 15314260/J-35616-4A (PU)
  • Pins: 26-31, 43-46, 51-53
  • Terminal/Tray: 2 21 24 61420 0/15
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: J-38125-24/J-35616-16 (L-GN)

Glow Plug Control Module (GPCM) X2

Pin

Wire Color

Circuit No.

Function

1

2 RD/WH

HB13

Glow Plug 3 Supply Voltage

2

2 WH/GN

HB12

Glow Plug 2 Supply Voltage

3

2 RD/GN

HB11

Glow Plug 1 Supply Voltage

4

2 WH/YE

HB14

Glow Plug 4 Supply Voltage

5

--

--

Not Used

6

2 WH/RD

HB18

Glow Plug 8 Supply Voltage

7

2 RD/L-GN

HB15

Glow Plug 5 Supply Voltage

8

2 WH/L-GN

HB16

Glow Plug 6 Supply Voltage

9

2 PK

HB17

Glow Plug 7 Supply Voltage

10-25

--

--

Not Used

26

0.75 YE

IC182

IAH Command 2

27

0.75 RD

IC185

IAH Feedback Signal

28

0.75 BK

IC180

IAH Temperature Signal

29

0.75 PK

IC183

IAH Current Signal

30

0.75 TN

IC184

IAH Voltage Signal

31

1 OG

IC181

IAH Command 1

32-42

--

--

Not Used

43

0.75 TN

HB01

High Speed GMLAN Serial Data Bus (-)

44

0.75 TN/BK

HB20

High Speed GMLAN Serial Data Bus (+)

45

0.75 TN

HB05

High Speed GMLAN Serial Data Bus (-)

46

0.75 TN/BK

HB06

High Speed GMLAN Serial Data Bus (+)

47-50

--

--

Not Used

51

0.75 RD

HB03

Ground

52

0.75 PK

HB02

Ignition 1 Voltage

53

1 D-BU

HB04

Accessory Wakeup Serial Data

Intake Air Valve


Object Number: 1825564  Size: CH

Connector Part Information

  • OEM: 7283-8850-30
  • Service: Service by Harness - See Part Catalog
  • Description: 6-Way F RH Series Sealed (BK)

Terminal Part Information

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

Intake Air Valve

Pin

Wire Color

Circuit No.

Function

A

0.75 YE

IC156

Motor Control - 1

B

0.75 BN

IC151

Motor Control - 2

C

0.5 TN

IC154

Low Reference

D

--

--

Not Used

E

0.5 D-GN

IC153

TP Sensor Signal

F

0.5 GY

IC150

5-Volt Reference

Intake Air Heater (IAH) Module X1


Object Number: 1583743  Size: CH

Connector Part Information

  • DT16-6S-KP01
  • Service: Service by Harness - See Part Catalog
  • Description: 6-Way F Sealed (GN)

Terminal Part Information

  • Terminal/Tray: 1062-16-0622/Yazaki 27
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: J-38125-27/J-35616-66 (YE)

Intake Air Heater (IAH) Module X1

Pin

Wire Color

Circuit No.

Function

1

0.75 BK

IC180

IAH Temperature Signal

2

1 OG

IC181

IAH Command 1

3

0.75 YE

IC182

IAH Command 2

4

0.75 PK

IC183

IAH Current Signal

5

0.75 TN

IC184

IAH Voltage Signal

6

0.75 RD

IC185

IAH Feedback Signal

Intake Air Temperature (IAT) Sensor 2


Object Number: 1578317  Size: CH

Connector Part Information

  • OEM: 7283-7020-10
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F 2.3 Series Sealed (D-GY)

Terminal Part Information

  • Terminal/Tray: 7116-4025/11
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15313892/J-35616-18 (BK)

Intake Air Temperature (IAT) Sensor 2

Pin

Wire Color

Circuit No.

Function

A

0.5 L-BU

IC188

Air Temperature Sensor Signal

B

0.5 YE/BK

IC189

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

  • OEM: 12129945
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

A

0.5 OG/BK

IC93

Low Reference

B

0.5 L-GN

IC94

MAP Sensor Signal

C

0.5 GY

IC92

5-Volt Reference

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


Object Number: 1399241  Size: CH

Connector Part Information

  • OEM: 15443141
  • Service: 19151506
  • Description: 5-Way F TS Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 8100-3455/2
  • Core/Insulation Crimp: 8/8
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)

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

Pin

Wire Color

Circuit No.

Function

1

0.5 YE

492

MAF Sensor Signal

2

0.5 GY/BK

2931

Low Reference

3

0.5 PK

1839

Ignition 1 Voltage

4

0.5 TN

2760

Low Reference

5

0.5 TN

472

IAT Sensor 1 Signal

Turbocharger Vane Position Control Solenoid Valve


Object Number: 1366580  Size: CH

Connector Part Information

  • PR-IA020070097
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Sealed (WH)

Terminal Part Information

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

Turbocharger Vane Position Control Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

0.5 D-BU

IC170

Turbocharger Vane Position Control Solenoid Valve Control

B

0.5 WH

IC171

Low Reference

Turbocharger Vane Position Sensor


Object Number: 1556303  Size: CH

Connector Part Information

  • OEM: 12191366
  • Service: 88988603
  • Description: 4-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12160223/3
  • Core/Insulation Crimp: See E/1
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Turbocharger Vane Position Sensor

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

0.5 YE

IC162

Turbocharger Vane Position Sensor Signal

C

0.5 OG/BK

IC161

Low Reference

D

0.5 TN

IC160

5-Volt Reference