Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems in Wiring Systems. |
2 |
Do all of the park lamps and license lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. | Go to Step 3 |
3 | Using a test lamp, backprobe the inoperable license lamp between the park lamp switch signal circuit and a known good ground. Does the test lamp illuminate? | Go to Step 5 | Go to Step 4 |
4 | Repair a poor connection or an open in the park lamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | -- |
5 | Using a test lamp, backprobe the inoperable license lamp between the park lamp switch signal circuit and the ground circuit. Does the test lamp illuminate? | Go to Step 7 | Go to Step 6 |
6 | Repair a poor connection or an open in the ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | -- |
7 | Replace the inoperable license lamp. Refer to Rear License Lamp Replacement . Did you complete the repair? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | Go to Diagnostic System Check - Lighting Systems in Wiring Systems. | Go to Step 2 |
