GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Battery Inspection/Test?

Go to Step 2

Go to Battery Inspection/Test

2

  1. Turn ON the ignition, with the engine OFF.
  2. Observe the charge indicator on the instrument panel cluster (IPC).

Does the charge indicator illuminate?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

  1. Turn OFF the ignition.
  2. Disconnect the generator connector.
  3. Turn ON the ignition, with the engine OFF.

Does the charge indicator remain illuminated?

Go to Step 4

Go to Charging System Test

4

Test the charge indicator control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 6

Go to Step 5

5

Replace the IPC. Refer to Diagnostic System Check - Vehicle for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3