Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do the both backup lamps turn on? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Is only one backup lamp inoperative? | Go to Step 7 | Go to Step 4 |
4 | Check the fuse 29 for an open. Is the fuse 29 open? | Go to Step 10 | Go to Step 5 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 11 |
6 | Install a fused jumper across the battery positive voltage feed and the backup lamp supply voltage circuit of the park/neutral position switch. Do the backup lamps turn on? | Go to Step 16 | Go to Step 9 |
7 | Connect a test lamp between the backup lamps supply voltage circuit of the inoperative backup lamp and a good ground. Does the test lamp illuminate? | Go to Step 8 | Go to Step 12 |
8 | Connect a test lamp between the backup lamps ground circuit of the inoperative backup lamp and battery voltage. Does the test lamp illuminate? | Go to Step 15 | Go to Step 13 |
9 | Test for a high resistance or an open in the backup lamps supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 14 |
10 | Repair a short to ground in the backup lamps supply voltage circuit or the park/neutral switch positive voltage feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
11 | Repair a high resistance or an open in the park/neutral position switch battery positive voltage feed. Refer to Wiring Repairs Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
12 | Repair a high resistance or an open in the backup lamp supply voltage circuit of the inoperative backup lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
13 | Repair a high resistance or an open in the backup lamp ground circuit of the inoperative backup lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
14 | Repair a high resistance or an open in the backup lamp ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
15 | Replace the inoperative backup lamp. Refer to Tail Lamp Replacement . Did you complete the repair? | Go to Step 17 | -- |
16 | Adjust or replace the park/neutral position switch. Refer to Park/Neutral Position Switch Adjustment in Automatic Transaxle-4T65-E. Did you complete the repair? | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
