GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Starting and Charging Schematics

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Turn the ignition to the START position.

Did the starter solenoid click?

Go to Step 3

Go to Starter Solenoid Does Not Click

3

Inspect the engine and belt drive system for mechanical binding, e.g. seized engine, seized generator.

Does the engine move freely?

Go to Step 4

Go to Symptoms - Engine Mechanical for the 3.6L (LY7)

or

Go to Symptoms - Engine Mechanical for the 4.6L engine

4

Test the battery positive cable between the battery and the starter solenoid for high resistance. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 5

5

Test the ground circuit between the battery and the starter motor for a high resistance. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 6

6

Inspect for poor connections at the starter. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 7

7

Replace the starter. Refer to Starter Motor Replacement .

Did you complete the replacement?

Go to Step 8

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8

Operate the system for which the symptom occurred.

Did you correct the condition?

System OK

Go to Step 2