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Home >> Chevrolet >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> Instrument Cluster Malfunction

Instrument Cluster Malfunction

Instrument Cluster Malfunction

Step Action Value(s) Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the Instrument Cluster Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Observe the IPC.
Does the instrument cluster operate normally?
- Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Disconnect the IPC.
  3. Turn ON the ignition, 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 IPC and the ground circuit of the IPC.
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 in Wiring Systems.
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 in Wiring Systems.
Did you complete the repair?
- Go to Step 9  -
7 Repair the open, short to ground or a high resistance in the ignition 1 voltage circuit. Refer to Circuit Testing , and Wiring Repairs in Wiring Systems.
Did you complete the repair?
- Go to Step 9  -
8 Replace the IPC. Refer to Instrument Cluster Replacement .
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