Checking Courtesy Lighting
Checking courtesy lighting
Checking the bulbs
- Ignition off.
Check that the courtesy lighting light bulbs are undamaged.
There are two lamps; left front and right front.
Remedy as necessary.
Other information:
- To access or replace the front courtesy lighting, see Courtesy lighting, front, replacing Courtesy Lighting, Front, Replacing.
Does the courtesy lighting function?
Yes - Verification
No - Checking cable to ground
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Checking cable to ground
- Ignition off.
Check that there is a ground for each lamp. Measure the resistance between the relevant lamp terminal #4 and ground.
The resistance must be approximately 0 ohms.
There are two lamps; left front and right front.
Remedy as necessary.
Other information:
- To access or replace the front courtesy lighting, see Courtesy lighting, front, replacing Courtesy Lighting, Front, Replacing.
Does the courtesy lighting function?
Yes - Verification
No - Checking the power supply wiring
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Checking the power supply wiring
Check the wiring between the central electronic module (CEM) #2E (#B22), to the relevant courtesy lighting #2. Check for an open-circuit. Check for a short-circuit to ground.
Remedy as necessary.
Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- For information about signals, see Signal specification Pinout Values and Diagnostic Parameters
- To access or replace the front courtesy lighting, see Courtesy lighting, front, replacing Courtesy Lighting, Front, Replacing.
Does the courtesy lighting function?
Yes - Verification
No - Light switch replacement
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Light switch replacement
Try replacing the light switch 3/111.
Other information:
- To access or replace the light switch, see Switches lights, replacing Service and Repair.
Continue - Verification
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Verification
Verification
Verification
Hint: After the repair it is necessary to check that the fault has been rectified.
- Ignition off.
- Connect connectors, install components etc.
- Ignition on.
Check that the courtesy lights operate by opening each door.
Does the courtesy light work?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - Fault Found
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
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FAULT-TRACING FAILED - No Fault Found
Attempt New Test - Checking the bulbs
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