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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Displays And Gages) >> Diagnostic Information and Procedures >> Instrument Cluster Inoperative

Instrument Cluster Inoperative

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Instrument Cluster Inoperative

Step
 
Action Yes No
Schematic Reference: Instrument Cluster Schematics 
Connector End View Reference:  Displays and Gauges Connector End Views  
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Turn the ignition ON, with the engine OFF.
  2. Observe the instrument cluster.
Does the instrument cluster perform the displays test?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Turn the ignition OFF.
  2. Disconnect the instrument panel cluster (IPC).
  3. Turn the ignition ON, with the engine OFF.
  4. Connect a test lamp between the ignition 1 voltage circuit and a good ground.
Does the test lamp illuminate?
Go to Step 4  Go to Step 7 
4 Connect a test lamp between the ignition 1 voltage circuit of the instrument cluster and the ground circuit of the instrument cluster.
Does the test lamp illuminate?
Go to Step 5  Go to Step 6 
5 Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 9  Go to Step 8 
6 Repair the open or a high resistance in the ground circuit. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?
Go to Step 9  -
7 Repair the open, short to ground or high resistance in the ignition 1 voltage circuit. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?
Go to Step 9  -
8 Replace the IPC. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you find and correct the condition?
System OK Go to Step 3