Schematic Reference: Instrument Cluster Schematics

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 transmission fluid temperature gage.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Turn the ignition ON, with the engine OFF.
2. Install a scan tool.
3. With the scan tool, perform the Displays Test in the Instrument Panel Cluster (IPC) Scan Tool Output Controls.

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

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?

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Go to Step 4

Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

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?

System OK

Go to Step 2