Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you review the park lamps operation and perform the necessary inspections? | Go to Step 2 | |
2 | Turn ON the park lamps. Does the system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
3 | Is only one park lamp inoperative? | Go to Step 4 | Go to Step 6 |
4 | Test the park lamp supply voltage circuit of the inoperative bulb for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 5 |
5 | Test the ground circuit of the inoperative bulb for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
6 | Test the park lamp battery positive voltage circuit of the headlamp switch for high resistance, an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 7 |
7 | Test the park lamp supply voltage circuit of the headlamp switch for high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 9 |
8 | Inspect for poor connections at the harness connector of the bulb. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
9 | Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
10 | Replace the bulb(s) as necessary. Refer to Dome Lamp Replacement , Parking and Turn Signal Lamp Replacement , or Tail Lamp Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
