Schematic Reference: Power Moding Schematics

Connector End View Reference: Master Electrical Component List

This table is used for diagnosing accessories that will not operate when the retained accessory power (RAP) system commands a RAP power mode.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Close all of the doors on the vehicle.
2. With a scan tool, observe the state of the door jamb switches. With the doors closed they should be Inactive, Off or Closed.
3. Open each door one at a time and observe the switch states on a scan tool when a door is open. They should be Active, On or open. Close each door after each observation is complete.

Does the data displayed on the scan tool correlate with an open or closed state?

Go to Step 3

Go to Symptoms - Lighting Systems

Important: Refer to Retained Accessory Power (RAP) Description and Operation for a listing of accessories controlled by the RAP system.

1. Close the driver and passenger doors.
2. Turn ON the ignition for 5 seconds, with the engine OFF.
3. Turn OFF the ignition.

Can you operate all the accessories controlled by the RAP system during the RAP power mode?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 4

Can you operate the Power Windows and Power Sunroof, if equipped, during the RAP power mode?

Go to Step 11

Go to Step 5

1. Disconnect the RAP relay.
2. Connect a test lamp to the RAP relay control circuit at the RAP relay socket.
3. Close the driver and passenger doors.
4. Turn ON the ignition for 5 seconds, with the engine OFF.
5. Turn OFF the ignition.

Does the test lamp illuminate?

Go to Step 7

Go to Step 6

1. Test the RAP relay control circuit from the body control module (BCM) to the RAP relay socket for an open. Refer to Circuit Testing and Wiring Repairs .
2. Test the battery + supply side of the control circuit to the RAP relay socket for an open. Refer to Circuit Testing and Wiring Repairs .
3. Test the RAP relay socket for the proper terminal tension. Refer to Circuit Testing .

Did you find and correct the condition?

Go to Step 14

Go to Step 7

Connect a test lamp between the RAP relay supply voltage circuit and a good ground.

Does the test lamp illuminate?

Go to Step 9

Go to Step 8

Repair the open in the RAP relay supply voltage circuit.

Did you complete the repair?

Go to Step 14

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Test the RAP relay output circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 10

Replace the RAP relay.

Did you complete the replacement?

Go to Step 14

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Is more than one accessory inoperative during the RAP power mode?

Go to Step 12

Go to the system exhibiting the symptom. Refer to Symptoms - Vehicle

Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

Important: Perform the set up procedure for the new BCM. Refer to Control Module References .

Replace the BCM. Refer to Control Module References .

Did you complete the replacement?

Go to Step 14

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2