Schematic Reference: Retained Accessory Power (RAP) Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Observe the following parameters in BCM data list:

•	Driver Door Jamb Sw.

•	Psgr. Door Jamb/Door Handle Switches

•	Rear Door Ajar

•	Liftglass/Rear Gate

2. Open and close each door/liftgate while observing the respective parameter.

Does the scan tool display change from Active to Inactive?

Go to Step 3

Go to Symptoms - Lighting Systems in Lighting Systems

1. Observe the RAP Relay parameter under BCM outputs.
2. Close all the doors.
3. Turn ON the ignition, with the engine OFF.
4. Wait 5 seconds then turn the ignition OFF.
5. Wait the time-out for retained accessory power (RAP).

Did the scan tool display On, then time-out and display Off?

Go to Step 4

Go to Step 10

1. Turn the ignition switch to the OFF position.
2. Disconnect the RAP relay.

Do the devices powered by the RAP relay operate?

Go to Step 5

Go to Step 6

Repair the short to battery in the RAP relay output circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 12

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1. Open the driver door.
2. Connect a test lamp across the relay coil circuits of the RAP relay.

Does the test lamp illuminate?

Go to Step 7

Go to Step 8

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 12

Go to Step 10

Inspect for poor connections at the RAP relay. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 9

Replace the RAP relay.

Did you complete the replacement?

Go to Step 12

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Inspect for poor connections at the harness connector of the body control module (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 12

Go to Step 11

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the procedure?

Go to Step 12

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2