Backup Lamps Inoperative
Backup Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics | |||
| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Symptoms - Lighting Systems |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Is only 1 lamp inoperative? | Go to Step 4 | Go to Step 5 |
| 4 |
|
Go to Step 8 | Go to Step 9 |
| 5 |
|
Go to Step 6 | Go to Step 10 |
| 6 |
|
Go to Step 7 | Go to Step 11 |
| 7 | Inspect for poor connections at the harness connector of the appropriate switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 12 |
| 8 | Repair an open or high resistance in the ground circuit of the inoperative backup lamp. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 13 | - |
| 9 | Repair an open or high resistance in the backup lamp supply voltage circuit of the inoperative backup lamp. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 13 | - |
| 10 | Repair an open, high resistance, or short to ground in the ignition positive voltage circuit of the appropriate switch. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 13 | - |
| 11 | Repair an open or high resistance in the backup lamp supply voltage circuit between the appropriate switch and the backup lamps. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 13 | - |
| 12 | Replace the appropriate switch. Did you complete the replacement? |
Go to Step 13 | - |
| 13 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |