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?

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Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Start the engine.
2. Turn OFF all accessories.

Does the battery charge indicator remain illuminated?

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Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

1. Install a scan tool.
2. With a scan tool, observe the Battery 1 parameter in the body control module (BCM) data list.

Does the voltage measure within the normal operating range?

12.6-16 V

Go to Step 4

Go to Charging System Test

With a scan tool, observe the Ignition 1 parameter in the engine control module (ECM)/powertrain control module (PCM) data list.

Does the voltage measure within the normal operating range?

12.6-16 V

Go to Step 5

Go to Charging System Test

With a scan tool, command the lamp and gages On and Off.

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

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Go to Step 6

Go to Step 7

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?

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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?

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Go to Step 8

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2