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 for Engine Electrical?

Go to Step 2

Diagnostic System Check - Engine Electrical

2

Turn the ignition switch to the START position.

Did the starter solenoid click one time?

Go to Step 3

Go to Starter Solenoid Does Not Click

3

Inspect the engine and belt drive system for mechanical binding (seized engine, seized generator).

Does the engine move freely?

Go to Step 4

Go to Engine Will Not Crank - Crankshaft Will Not Rotate in Engine Mechanical - 3.4L or Engine Will Not Crank - Crankshaft Will Not Rotate in Engine Mechanical - 3.8L

4

Test the battery positive cable between the battery and the Engine Harness Wiring Junction Block (TOP) for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 5

5

Test the battery positive cable between the Engine Harness Wiring Junction Block (TOP) and the starter motor for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 6

6

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

Did you find and correct the condition?

Go to Step 10

Go to Step 7

7

Inspect for poor connections at the Engine Harness Wiring Junction Block (TOP). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 8

8

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

Did you find and correct the condition?

Go to Step 10

Go to Step 9

9

Replace the starter motor. Refer to Starter Motor Replacement .

Is the repair complete?

Go to Step 10

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10

Operate the system in order to verify the repair.

Did you find and correct the condition?

System OK

Go to Step 2