Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting Diagnostic System Check? | Go to Step 2 | |
2 | Open the driver's door. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Do the courtesy lamps operate normally? | Go to Step 4 | |
4 | Are both exterior courtesy lamps inoperative? | Go to Step 5 | Go to Step 8 |
5 |
Do the exterior courtesy lamps come ON and OFF with each command? | Go to Step 10 | Go to Step 6 |
6 |
Do the exterior courtesy lamps illuminate? | Go to Step 11 | Go to Step 7 |
7 | Inspect for poor connections at the body wiring harness junction block. Did you find and correct the condition? | Go to Step 17 | Go to Step 8 |
8 | Inspect the bulb(s). Is the filament(s) open? | Go to Step 12 | Go to Step 9 |
9 | Test the exterior courtesy lamps supply voltage circuit 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 17 | Go to Step 13 |
10 | Inspect for poor connections at the harness connector of the BCM. 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 17 | Go to Step 12 |
11 | Inspect for poor connections at the harness connector of the exterior courtesy lamps relay. 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 17 | Go to Step 13 |
12 | Inspect for poor connections at the harness connector of the bulb(s). 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 17 | Go to Step 14 |
13 | Repair the open ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
14 |
Important: Perform the setup procedure for the BCM. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 17 | -- |
15 | Replace the exterior courtesy lamps relay. Did you complete the replacement? | Go to Step 17 | -- |
16 | Replace the lamp(s). Refer to Outside Rearview Mirror Courtesy Lamp Replacement . Did you complete the replacement? | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
