Courtesy Lamps Inoperative
Courtesy Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics | |||
| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 | Open each door of the vehicle, one at a time, using the following procedure:
Do the courtesy lamps illuminate when each door is opened? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Are the courtesy lamps inoperative from all of the doors? | Go to Step 4 | Go to Step 6 |
| 4 | Place the dome lamp in the ON position. Does the dome lamp illuminate? |
Go to Step 10 | Go to Step 5 |
| 5 |
|
Go to Step 11 | Go to Step 12 |
| 6 | Are the courtesy lamps inoperative from the driver's door? | Go to Step 8 | Go to Step 7 |
| 7 | Are the courtesy lamps inoperative from all of the passenger doors? | Go to Step 13 | Go to Step 9 |
| 8 |
|
Go to Step 14 | Go to Step 15 |
| 9 |
|
Go to Step 14 | Go to Step 15 |
| 10 | Test the courtesy lamp low control circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 11 | Test the courtesy lamp supply voltage circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 12 | Test the battery positive voltage circuit of the BCM for an open, high resistance, or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 18 |
| 13 | Test the passenger door ajar switch signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 14 | Test the ground circuit of the inoperative door ajar switch or door jamb switch for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 16 |
| 15 | Test the inoperative door ajar switch signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 16 | Inspect for poor connections at the harness connector of the inoperative door ajar switch or door jamb 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 21 | Go to Step 19 |
| 17 | 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 21 | Go to Step 20 |
| 18 | Repair a short to ground in the courtesy lamp supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 21 | - |
| 19 | Replace the inoperative door ajar switch or door jamb switch. Did you complete the replacement? |
Go to Step 21 | - |
| 20 |
IMPORTANT:
Perform the set up procedure for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration
in Body Control System. Replace the BCM. Refer to Body Control Module Replacement
in Body Control System.Did you complete the replacement? |
Go to Step 21 | - |
| 21 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |