Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Turn ON the underhood lamp. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Are all of the reading, visor, and the underhood lamp inoperative? | Go to Step 4 | Go to Step 5 |
4 | Test the inadvertent power supply voltage circuit of the body control module (BCM) for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
5 | Test the inadvertent power supply voltage circuit of the underhood lamp for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 12 | Go to Step 6 |
6 | Test the ground circuit of the underhood lamp for high resistance or an open. Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 12 | Go to Step 7 |
7 | Inspect the inoperative bulb for an open filament. Is the bulb OK? | Go to Step 10 | Go to Step 9 |
8 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
9 | Replace the inoperative bulb. Did you complete the replacement? | Go to Step 12 | -- |
10 | Replace the underhood lamp. Refer to Underhood Lamp Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | 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 |
