Schematic Reference: Instrument Cluster Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

DEFINITION: This diagnostic procedure applies only to the serial data gages located in the instrument cluster which include the engine coolant temperature gage, and the volt gage.

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

1. Turn the ignition ON, with the engine OFF.
2. Install a scan tool.
3. With the scan tool, perform the Displays Test.

Does the gage move from 0 to its maximum value and back to 0 when you perform the Displays Test?

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Go to Step 3

Go to Step 4

1. Install a scan tool.
2. Start the engine.
3. Observe the appropriate parameter in the PCM Data list. Refer to Scan Tool Data List .

Does the parameter match the gage display?

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

Go to Step 4

Important: Program the replacement IPC.

Did you complete the replacement?

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Go to Step 5

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1. Use the scan tool in order to clear any induced DTCs.
2. Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2