GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Retained Accessory Power (RAP) Schematics

Connector End View Reference: Body Control System Connector End Views in Body Control System or Retained Accessory Power (RAP) Connector End Views

1

Perform the Diagnostic System Check - Retained Accessory Power .

Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Retained Accessory Power

2

  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the RAP relay.
  3. Inspect the power windows, radio and the sunroof for correct operation.

Do the sunroof and the power windows operate?

Go to Step 3

Go to Step 4

3

Test for a short to battery in the power windows, radio and sunroof supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 5

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

4

Replace the RAP relay.

Did you complete the repair?

Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2