Checking the Interior Lighting (1)

Checking the interior lighting (1)

Checking components and wiring

Control module and rear reading lamp module
Check the cable between control module terminal #15 and rear reading lamp module terminal #2. Check for an open-circuit.
Check the cable between control module terminal #14 and rear reading lamp module terminal #6. Check for an open-circuit.

Control module and roof lamp module
Check the cable between the control module terminal #8 and roof lamp module terminal #2A. Check for an open-circuit. Check for a short-circuit to ground.

Control module and right / left vanity mirror lighting
Check the cable between control module terminal #8 and right / left vanity mirror lighting terminal #1. Check for an open-circuit. Check for a short-circuit to ground.
Check the cable between control module #20 and right / left vanity mirror lighting #3. Check for an open-circuit.
Remedy as necessary.
If no fault is found, try replacing the module that is malfunctioning.
This could be:
- Rear reading lamp module
- Roof lamp module
- Right / left vanity mirror lighting.

Other information
- For further information about signals and other values, see Signal specification Signal Specification, Upper Electronic Module (UEM)
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- To access the vanity mirror lighting, see Bulb vanity mirror, replacing Service and Repair
- To access or replace the roof lamp module, see Replacing interior lighting Service and Repair
- To access or replace the rear reading lamp module, see Bulb, reading lamp, rear, replacing Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals.









Continue - Fault Found

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