Hummer H3. Manual — part 1347

DISPLAYS AND GAGES CONNECTOR END VIEWS

Engine Oil Pressure (EOP) Switch

Fig. 7: Engine Oil Pressure (EOP) Switch Connector End View
Courtesy of GENERAL MOTORS CORP.

Engine Oil Pressure (EOP) Switch Connector Parts Information

9

Engine Coolant Temperature (ECT) Sensor

10

Engine Coolant Temperature (ECT) Sensor Connector

11

C101 Fuel Injector Harness to Engine Harness

12

Ignition Coil 5

13

Ignition Coil 4

Connector Part Information

OEM: 12065400

Service: 12126436

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

Engine Oil Pressure (EOP) Switch Connector Terminal Identification

Instrument Panel Cluster (IPC)

Description: 2-Way F Metri-Pack 150 Series, Sealed (L-GN)

Terminal Part Information

Terminal/Tray: 12048074/2

Core/Insulation Crimp: E/1

Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

B

PU

114

Low Reference

C

-

-

Not Available

D

-

-

Not Available

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

Fig. 8: Instrument Panel Cluster (IPC) Connector End Views
Courtesy of GENERAL MOTORS CORP.

Instrument Panel Cluster (IPC) Connector Parts Information

Connector Part Information

OEM: 185304-1

Service: 89046871

Description: 18-Way F Micro Quadlok (BK)

Terminal Part Information

Terminal/Tray: 144969-1

Core/Insulation Crimp: See Terminal Kit

Release Tool/Test Probe: See Terminal Kit

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3

Instrument Panel Cluster (IPC) Connector Terminal Identification

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

DIAGNOSTIC STARTING POINT - DISPLAYS AND GAGES

Begin the displays and gages system diagnosis with Diagnostic System Check - Vehicle or the
audible warning system diagnosis with Diagnostic System Check - Vehicle . The Diagnostic
System Check will provide the following information:

The identification of the control modules which command the system

The ability of the control modules to communicate through the serial data circuit

The identification of any stored diagnostic trouble codes (DTCs) and their status

Pin

Wire Color

Circuit No.

Function

1

OG

1440

Battery Positive Voltage

2-3

-

-

Not Used

4

BK/WH

1151

Ground

5

BN/WH

419

MIL Control

6

L-BU

2114

Left Turn Signal Lamp Supply Voltage

7

D-BU

2115

Right Turn Signal Lamp Supply
Voltage

8-9

-

-

Not Used

10

PU

1807

Class 2 Serial Data

11

PU

1807

Class 2 Serial Data

12-14

-

-

Not Used

15

YE

234

Seat Belt Indicator Control

16

GY

728

Security Indicator Control

17-18

-

-

Not Used

DTC

Description

DTC P0461

Fuel Level Sensor Performance

DTC P0462

Fuel Level Sensor Circuit Low Voltage

DTC P0463

Fuel Level Sensor Circuit High Voltage

DTC P0520

Engine Oil Pressure (EOP) Sensor Circuit

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Displays and Gages - H3