Connector End View Reference: Engine Electrical Connector End Views , Engine Control Module Connector End Views for the 2.2L (L61) engine, or Powertrain Control Module Connector End Views for the 3.5L (L66) engine.

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 Step 4

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 Testing for Intermittent Conditions and Poor Connections

Go to Step 7

Test the generator turn on signal circuit for an 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)/powertrain control module (PCM). Refer to Connector Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 6

Important: The replacement ECM/PCM must be programmed.

Replace the ECM/PCM. 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. 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