Courtesy Lamps Inoperative
Courtesy Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views , Data Communication Connector End Views , Vehicle Access Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the courtesy/dome lamps are inoperative. Do the courtesy/dome lamps operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Is only one lamp inoperative? | Go to Step 4 | Go to Step 5 |
| 4 | Test the voltage supply and ground circuits of the inoperative lamp for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 13 |
| 5 | Inspect the following modules for the proper applicable data parameters included in the list below:
Refer to Scan Tool Data List and Scan Tool Data Definitions for typical values and definitions:
Was a problem found? |
Go to Step 6 | Go to Step 10 |
| 6 | Disconnect and test the switch of the affected input circuit for proper continuity in the open and closed positions. Refer to Circuit Testing
. Is continuity present? |
Go to Step 7 | Go to Step 8 |
| 7 | Test the signal and ground circuits of the affected input circuit for the following:
Refer to Circuit Testing and Wiring Repairs Did you find and correct the condition? |
Go to Step 15 | Go to Step 9 |
| 8 | Inspect for poor connections at the harness connector of the affected switch. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 11 |
| 9 | Inspect for poor connections at the harness connector of the module in the affected circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 12 |
| 10 | Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 14 |
| 11 | Replace the switch in the affected circuit. Refer to one of the following replacement procedures as applicable:
Did you complete the replacement? |
Go to Step 15 | - |
| 12 | Replace the module in the affected circuit. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 15 | - |
| 13 | Replace the inoperative bulb. Did you complete the repair? |
Go to Step 15 | - |
| 14 | Replace the BCM. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 15 | - |
| 15 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |