Step | Action | Yes | No | ||||
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Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. DEFINITION: One of the following condition is present:
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1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |||||
2 |
Do the courtesy lamps operate properly? | Go to Step 3 | |||||
3 |
Do the incandescent lamps vary in brightness? | Go to Step 4 | Go to Step 5 | ||||
4 | Do all the vacuum fluorescent displays vary in brightness? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 6 | ||||
5 | Test for a short to battery positive voltage in the instrument panel lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 9 | ||||
6 | Do any of the vacuum fluorescent displays vary in brightness? | Go to Step 7 | Go to Step 8 | ||||
7 | Test for an open in the step dim signal circuit to the inoperative component(s). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 10 | ||||
8 | Test for an open or short to ground in the step dim signal circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 9 | ||||
9 | Inspect for poor connections at the harness connector of the headlamp 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 13 | Go to Step 12 | ||||
10 | Inspect for poor connections at the harness connector of the inoperative component. 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 13 | Go to Step 11 | ||||
11 | Replace the inoperative component. Did complete the repair? | Go to Step 13 | -- | ||||
12 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did complete the repair? | Go to Step 13 | -- | ||||
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |