Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Power and Grounding Connector End Views in Wiring Systems | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do both backup lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring System | Go to Step 3 |
3 | Is only one lamp inoperative? | Go to Step 8 | Go to Step 4 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 9 |
5 | Install a fused jumper across the ignition positive voltage supply circuit and the backup lamps voltage supply circuit. Do the backup lamps illuminate? | Go to Step 6 | Go to Step 7 |
6 | Inspect and adjust the PNP switch. Refer to Park/Neutral Position Switch Adjustment in Automatic Transaxle. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
7 | Repair a short to ground or open in the backup lamps supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring System. Did you complete the repair? | Go to Step 11 | -- |
8 | Repair the open or poor connections in the inoperative backup lamp supply voltage circuit or ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
9 | Repair the open or short to ground in the battery positive supply voltage circuit of the PNP switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the PNP switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle - 4T65E. 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 2 |
