Schematic Reference: Retained Accessory Power (RAP) Schematics

Did you perform the Retained Accessory Power Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Retained Accessory Power

1. Close all doors.
2. Turn ON the ignition, with the engine OFF.
3. Turn OFF the ignition.
4. After a 5-second delay, observe the RAP Output parameter in the Rear Integration Module (RIM) data list.

Does the RAP Output display On?

Go to Step 3

Go to Step 4

Operate the components that have voltage supplied by the RAP relay.

Do the components operate?

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

Go to Step 5

Do the courtesy and the dome lamps illuminate?

Go to Courtesy Lamps Always On in Lighting Systems

Go to Step 18

Inspect the RAP fuse in the rear fuse block.

Is the fuse open?

Go to Step 13

Go to Step 6

1. Turn OFF the ignition.
2. Remove the RAP relay.
3. Turn ON the ignition, with the engine OFF.
4. Connect a test lamp between the coil feed circuit of the RAP relay and a good ground.

Does the test lamp illuminate?

Go to Step 7

Go to Step 14

1. Connect a test lamp between the coil side feed circuit of the RAP relay and the control circuit of the RAP relay.
2. With a scan tool, select the Rear Integration Module (RIM) output controls menu.
3. Command the RAP relay ON.

Does the test lamp illuminate?

Go to Step 8

Go to Step 10

Connect a test lamp between the battery positive voltage circuit of the RAP relay and a good ground.

Does the test lamp illuminate?

Go to Step 9

Go to Step 15

1. Connect a 30-amp fused jumper between the battery positive voltage circuit of the RAP relay and the switch output of the RAP relay.
2. Operate the components that have voltage supplied by the RAP relay.

Do the components operate?

Go to Step 11

Go to Step 16

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

Did you find and correct the condition?

Go to Step 19

Go to Step 12

Inspect for poor connections and terminal tension 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 19

Go to Step 17

Inspect for poor connections and terminal tension at the harness connector of the RIM. 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 19

Go to Step 18

Repair the short to ground in the supply circuit of the component that has voltage supplied by the RAP relay. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 19

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Repair the open or high resistance in the coil feed circuit of the RAP relay. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 19

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Repair an open or high resistance in the battery positive voltage circuit of the RAP relay. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 19

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Repair an open or high resistance in the supply circuit of the component that has voltage supplied by the RAP relay. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 19

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Replace the RAP relay.

Did you complete the replacement?

Go to Step 19

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Important: Perform the set up procedure for module if required. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Replace the Rear Integration Module (RIM). Refer to Control Module References in Body Control System.

Did you complete the replacement?

Go to Step 19

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2