GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Turn ignition switch to the START position.

Engine cranks.

    •  Starter Motor Noisy. Refer to Starter Motor Noise Diagnosis

2

Engine running.

Charging system operating properly.

Volt/charge indicator operating properly

    • Generator Noisy. Refer to Generator Noise Test

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.