GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Grand Prix 🢒 Body and Accessories 🢒 Retained Accessory Power 🢒 Retained Accessory Power (RAP) Inoperative

Step

Action

Yes

No

Schematic Reference: Retained Accessory Power (RAP) Schematics

1

Did you perform the Diagnostic System Check - Retained Accessory Power?

Go to Step 2

Go to Diagnostic System Check - Retained Accessory Power

2
  1. Close the driver and passenger doors.
  2. Turn ON the ignition, with the engine OFF.
  3. Turn OFF the ignition.

Do the retained accessory power functions (power windows) operate for approximately 10 minutes?

System OK

Go to Step 3

3
  1. Turn OFF the ignition.
  2. Disconnect the RAP relay.
  3. Turn ON the ignition, with the engine OFF.
  4. With a test lamp that is connected to a good ground, probe the battery positive voltage circuits of the RAP relay.

Does the test lamp illuminate on both circuits?

Go to Step 4

Go to Step 10

4
  1. Connect a test lamp between the RAP relay control circuit and the RAP relay coil supply voltage circuit at the RAP relay.
  2. Close the driver and passenger doors.
  3. Turn ON the ignition, with the engine OFF.
  4. Turn OFF the ignition.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

5

Does the test lamp remain illuminated for longer than 10 minutes?

Go to Step 7

Go to Step 8

6

Test the RAP relay control circuit for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 9

7

Test the RAP relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 9

8

Inspect for poor connections at the RAP relay. 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 13

Go to Step 11

9

Inspect for poor connections at the harness connector of the BCM. 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 13

Go to Step 12

10
  1. Repair the battery positive voltage circuit of the RAP relay. Refer to Wiring Repairs in Wiring Systems.
  2. Reconnect the RAP relay.

Did you complete the repair?

Go to Step 13

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11

Replace the RAP relay.

Did you complete the replacement?

Go to Step 13

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12

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 13

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13

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3