Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Dimming Schematics | |||||||||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |||||||
2 | Verify that the memory/heated switch backlighting is inoperative. Does the memory/heated switch backlighting operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 | Are any other dimmable interior backlighting lamps inoperative? | Go to Step 4 | |||||||
4 |
Did you find and correct a condition? | Go to Step 10 | Go to Step 5 | ||||||
5 | Use a test lamp connected to B+ to backprobe the memory/heated seat switch illumination control circuit terminal at the driver door module (DDM) connector. Does the test lamp illuminate? | Go to Step 7 | Go to Step 6 | ||||||
6 | Inspect for poor connections at the harness connector of the DDM. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 8 | ||||||
7 | Inspect for poor connections at the harness connector of the memory/heated seat switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 | ||||||
8 |
Important: Perform the setup procedure for the driver door module (DDM). Replace the DDM. Refer to Door Lock and Side Window Switch Replacement - Driver Side in Doors. Did you complete the replacement? | Go to Step 10 | -- | ||||||
9 | Replace the memory/heated seat switch. Refer to Driver Seat Adjuster Memory Switch Replacement in Seats. Did you complete the replacement? | Go to Step 10 | -- | ||||||
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |