Were you sent here from the Indicator System Check?

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Go to Step 2

Go to Indicator System Check

1. Turn ON the ignition switch.
2. Using a scan tool, attempt to establish communications with the IPC.

Does the scan tool communicate with the IPC?

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Go to Step 3

Go to Diagnostic System Check - Instrument Cluster

1. Engine idling at normal operating conditions.
2. Observe the following gauges:

•

Fuel

•	Oil Pressure

•	Coolant Temperature

•

Voltage

Are all of the gauges functioning properly and are not within the red zone?

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Go to Step 4

Go to Gauge System Check

Using a scan tool, select IPC special functions and turn ON and OFF the CHECK GAGES indicator.

Does the CHECK GAGES indicator turn ON and OFF?

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System OK

Go to Step 5

Check the CHECK GAGES indicator bulb for an open. Refer to Instrument Cluster Indicator Lamp Replacement .

Was a problem found and repaired?

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Go to Step 7

Go to Step 6

Replace the IPC assembly. Refer to Instrument Cluster Replacement .

Is the replacement complete?

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Go to Step 7

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1. Turn OFF the ignition switch.
2. Reconnect or install any connectors or components that were disconnected or removed.
3. Turn ON the ignition switch.

Is the repair complete?

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Go to Indicator System Check

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