Connector End View Reference: Engine Electrical Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Turn ON the ignition, with the engine OFF.

Does the battery charge indicator illuminate?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

1. Install a scan tool.
2. With a scan tool, command the lamp and gages ON and OFF.

Does the charge indicator turn ON and OFF with each command?

Go to Step 4

Go to Step 7

Test the generator turn on signal circuit for a short to ground or open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 5

Inspect for poor connections at the harness connector of the engine control module (ECM). Refer to Connector Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 6

Replace the ECM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 8

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Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 8

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2