Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you review the backup lamps operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Do the backup lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 7 |
4 | Connect a fused jumper wire between the voltage input circuit of the backup lamp switch and the output circuit of the backup lamp switch. Do the backup lamps illuminate? | Go to Step 6 | Go to Step 5 |
5 | Does the fuse in the jumper wire open? | Go to Step 8 | Go to Step 9 |
6 | Inspect for poor connections at the backup lamp 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 11 | Go to Step 10 |
7 | Repair an open, high resistance, or short to ground in the voltage input circuit of the backup lamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
8 | Repair a short to ground in the backup lamps voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
9 | Repair an open or high resistance in the backup lamps voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the backup lamp switch. Refer to Backup Lamp Switch Replacement in Manual Transmissions or Park/Neutral Backup Switch Replacement in Automatic Transmissions. Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
