Schematic Reference: Exterior Lights Schematics

Connector End View Reference: Master Electrical Component List

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Block the wheels and set the parking brake.
2. Turn ON the ignition, with the engine OFF.
3. Place the gear selector in and out of the reverse position.

Do the backup lamps operate properly?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

1. Turn OFF the ignition switch.
2. Disconnect the backup lamp switch or the neutral start backup switch.
3. Turn ON the ignition, with the engine OFF.

Are the backup lamps illuminated?

Go to Step 5

Go to Step 4

Inspect for poor connections at the harness connector of the backup lamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 7

Go to Step 6

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

Did you complete the repair?

Go to Step 7

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Replace the backup lamp switch. Refer to Backup Lamp Switch Replacement or Park/Neutral Backup Switch Replacement .

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3