Step | Action | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Backup Lamp Schematics | |||||||||||||||
1 | Did you perform the Lighting Diagnostic System Check? | Go to Step 2 | |||||||||||||
2 | Operate the backup lamps to verify the fault is present. Does the system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 | ||||||||||||
3 |
Are the back-up lamps on? | Go to Step 4 | Go to Step 5 | ||||||||||||
4 | Remove the VEH B/U fuse. Are the back-up lamps on? | Go to Step 6 | Go to Step 7 | ||||||||||||
5 | Inspect for poor connections at the harness connector of the backup lamp switch or park/neutral position switch. 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 9 | Go to Step 8 | ||||||||||||
6 | Repair the backup lamp supply voltage circuit for a short to voltage between the engine wiring harness junction block and the back-up lamps. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 9 | -- | ||||||||||||
7 | Repair the backup lamp supply voltage circuit for a short to voltage between the engine wiring harness junction block and the back-up lamp switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 9 | -- | ||||||||||||
8 | Replace the backup lamp switch or park/neutral position switch. Refer to the following:
Did you complete the repair? | Go to Step 9 | -- | ||||||||||||
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||||
