The following components are inoperative at all times, even with the ignition switch in the RUN position:

Or the following components operate when the ignition switch is in RUN, but do not operate for 10 minutes after the ignition switch is turned to the OFF or the ACC position with all of the vehicle doors closed:

Was the RAP System Check performed?

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Go to Step 2

Go to Retained Accessory Power (RAP) System Check

Are all components inoperative even when the ignition switch is in the RUN position?

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Go to Step 3

Go to Step 4

Was the BCM Diagnostic System Check performed?

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Go to Step 5

Go to Diagnostic System Check - Body Control System in Body Control System

Inspect the RAP fuse, located in the fuse block.

Is the RAP fuse open?

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Go to Step 12

Go to Step 5

Inspect the IGN MAIN 2 MaxiFuse®, located in the underhood accessory wiring junction block.

Is the IGN MAIN 2 MaxiFuse® open?

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Go to Step 13

Go to Step 6

1. Disconnect the RAP relay.
2. Connect a test light between the RAP relay harness connector terminal C2 and ground.

Did the test light illuminate?

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Go to Step 7

Go to Step 14

Connect a test light between the RAP relay harness connector terminal A2 and ground.

Did the test light illuminate?

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Go to Step 8

Go to Step 15

Connect a 40A fused jumper between the RAP relay harness connector terminal A2 and terminal C1.

Does the fused jumper open upon connecting the fused jumper?

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Go to Step 16

Go to Step 9

Test the operation of the radio and the power windows.

Do the radio and the power windows operate?

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Go to Step 10

Go to Step 17

1. Remove the 40A fused jumper from between the RAP relay harness connector terminal A2 and terminal C1.
2. Disconnect the body control module (BCM) connector C2.
3. Use a DMM in order to measure the resistance between the following terminals:

•	The BCM harness connector C2 terminal D9

•	The RAP harness connector terminal A1

Is the resistance less than the specified value?

2ohms

Go to Step 11

Go to Step 18

1. Reconnect the RAP relay.
2. Connect a 10A fused jumper between the BCM harness connector C2 terminal D9 and ground.
3. Test the operation of the radio and the power windows.

Do the radio and the power windows operate?

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Go to Step 19

Go to Step 20

Repair the short to ground in circuit 540.

Is the repair complete?

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Go to Step 21

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Repair the short to ground in circuit 142.

Is the repair complete?

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Go to Step 21

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Repair the poor connection or the open in circuit 540.

Is the repair complete?

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Go to Step 21

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Repair the poor connection or the open in circuit 142.

Is the repair complete?

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Go to Step 21

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Repair the short to ground in circuit 75.

Is the repair complete?

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Go to Step 21

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Repair the poor connection or the open in circuit 75.

Is the repair complete?

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Go to Step 21

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Repair the poor connection or the open in circuit 707.

Is the repair complete?

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Go to Step 21

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1. Inspect the BCM connector C2 terminal D9 for a poor terminal contact. Repair the terminal contact as needed.
2. If the BCM connector C2 terminal D9 is OK, replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Is the repair complete?

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Go to Step 21

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Replace the RAP relay.

Is the repair complete?

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Go to Step 21

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1. Turn the ignition switch to the OFF position.
2. Reconnect the connectors and reinstall the components that were removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Turn the ignition switch to the OFF position.
5. Remove the MALL PGM fuse.
6. Turn the ignition to the ACC position. (The BCM sounds the chime a number of times equivalent to the BCM type installed on the vehicle).
7. Within 1 second, turn the ignition switch from the ACC position, to the OFF position, then back to the ACC position. (The BCM sounds any DTCs stored).

Are there any BCM DTCs present?

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Go to Diagnostic System Check - Body Control System in Body Control System

Go to Retained Accessory Power (RAP) System Check

1. Turn OFF the IP dimmer switch.
2. Turn OFF the left and the right roof rail courtesy/reading lamps.
3. Turn OFF the windshield header courtesy/reading lamps.
4. Turn the ignition switch to the RUN position.
5. While observing the interior courtesy lights, close all of the vehicle doors.

Are the interior courtesy lights OFF?

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Go to Step 23

Go to Step 24

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

Is the repair complete?

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Go to Step 21

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Refer to Interior Lamps System Check in Lighting Systems in order to further diagnose a condition that causes the courtesy lights to stay on, thus disengaging the RAP feature.

Is the action complete?

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Go to Step 21

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