Schematic Reference: Exterior Lights Schematics

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

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn ON the ignition, with the engine OFF.
2. Depress and hold the brake pedal.
3. Move the gear selector through the gear ranges.
4. Observe the backup lamps.
5. Place the gear selector in the park position.
6. Release the brake pedal.

Did the backup lamps operate properly?

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

Go to Step 3

1. Turn OFF the ignition
2. Install a scan tool.
3. Turn ON the ignition, with the engine OFF.
4. Observe the Perimeter Lamp Output parameter in the remote function actuation Outputs data list.

Does the Perimeter Lamp Output parameter indicate OFF?

Go to Step 4

Go to Step 8

1. Turn OFF the ignition.
2. Disconnect the PERIM LP relay. Refer to Relay Replacement in Wiring Systems.
3. Turn ON the ignition, with the engine OFF.

Did the backup lamps turn OFF?

Go to Step 5

Go to Step 9

1. Turn OFF the ignition.
2. Connect a test lamp between the PERIM LP relay supply voltage circuit and the PERIM LP relay exterior courtesy lamps control circuit.
3. Turn ON the ignition, with the engine OFF.

Does the test lamp illuminate?

Go to Step 6

Go to Step 7

Test the PERIM LP relay exterior courtesy lamps control circuit for a short 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 8

Inspect for poor connections at the PERIM LP 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 11

Go to Step 10

Inspect for poor connections at the harness connector of the remote control door lock receiver (RCDLR). 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

Repair the short to battery positive voltage in the backup lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 12

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Replace the PERIM LP relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 12

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Important:: Perform the setup procedure for the RCDLR. Refer to Transmitter Programming in Keyless Entry.

Replace the RCDLR module. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

Did you complete the replacement?

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