Schematic Reference: Instrument Cluster Schematics

Did you perform the Instrument Cluster Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

1. Install a scan tool.
2. Start the engine.
3. With a scan tool, observe the engine data list.

Do any of the gauges approximately agree with the scan tool engine data list?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

Test the ignition 1 voltage circuit of the instrument cluster for an open, a high resistance, or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 4

Test the ignition 3 voltage circuit of the instrument cluster for an open, a high resistance, or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

Test the ground circuit of the instrument cluster for an open, or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2