GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic References: Starting and Charging Schematics

Connector End View References: Component Connector End Views

1

Did you review the following and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Engine Electrical

2

Turn the ignition to the START position.

Does the starter solenoid click?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

  1. Turn OFF the ignition.
  2. Disconnect the starter solenoid crank voltage circuit from the starter solenoid.
  3. Connect a test lamp between the starter solenoid crank voltage circuit of the starter and a good ground.
  4. Turn the ignition to the START position.

Does the test lamp illuminate?

Go to Step 7

Go to Step 4

4

  1. Turn OFF the ignition.
  2. Disconnect the park/neutral position (PNP) switch or the clutch pedal position (CPP) switch.
  3. Connect a 10-amp fused jumper between the crank voltage circuit of the appropriate switch and the starter solenoid crank voltage circuit.
  4. Turn the ignition to the START position.

Does the test lamp illuminate?

Go to Step 8

Go to Step 5

5

  1. Connect a test lamp between the crank voltage circuit and the PNP switch or the CPP switch and a good ground.
  2. Turn the ignition to the START position.

Does the test lamp illuminate?

Go to Step 11

Go to Step 6

6

Test the crank voltage circuit of the PNP switch or the CPP switch for a high resistance or an open. Refer to Circuit Testing or Wiring Repairs .

Did you find and correct the condition?

Go to Step 15

Go to Step 10

7

Inspect the PNP switch or the CPP switch for proper operation.

Did you find and correct the condition?

Go to Step 15

Go to Step 12

8

Inspect the PNP switch or the CPP switch for proper operation.

Did you find and correct the condition?

Go to Step 15

Go to Step 9

9

Inspect for a poor connection at the PNP switch or the CPP switch. Refer to Testing for Intermittent Conditions and Poor Connections or Connector Repairs .

Did you find and correct the condition?

Go to Step 15

Go to Step 13

10

Inspect for a poor connection at the ignition switch. Refer to Testing for Intermittent Conditions and Poor Connections or Connector Repairs .

Did you find and correct the condition?

Go to Step 15

Go to Step 14

11

Repair the high resistance or open in the starter solenoid crank voltage circuit. Refer to Wiring Repairs .

Did you complete the repair?

Go to Step 15

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12

Replace the starter. Refer to Starter Motor Replacement .

Did you complete the replacement?

Go to Step 15

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13

Replace the PNP switch or the CPP switch.

Did you complete the replacement?

Go to Step 15

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14

Replace the ignition switch. Refer to Ignition Lock Cylinder Replacement .

Did you complete the replacement?

Go to Step 15

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15

Operate the system for which the symptom occurred.

Did you correct the condition?

System OK

Go to Step 3