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5 CF65/75/85 Series ≥0E621376 Xenon lighting DIAGNOSTICS 4-1 4. XENON LIGHTING 4.1 FAULT-FINDING TABLE SYMPTOM: XENON LIGHTING NOT WORKING ON ONE SIDE Possible cause Remedy Faulty dipped beam fuse Check fuse No power to the ballast unit on the faulty side Check the power supply to the ballast unit Faulty xenon bulb Replace xenon bulb Faulty ignition unit Replace ignition unit Faulty wiring between the ballast unit and the ignition unit Check the wiring Faulty ballast unit Replace ballast unit Ignition unit connector not connected properly Check connector SYMPTOM: XENON LIGHTING NOT WORKING ON BOTH SIDES Possible cause Remedy Faulty fuse Check fuse Faulty light switch (C622) Check light switch Faulty relay (G001) Check relay Faulty wiring Check the wiring SYMPTOM: COLOUR DIFFERENCE AFTER NEW BULB IS FITTED Possible cause Remedy Bulb of a different make fitted Bulbs of the same make should preferably be fitted on both left and right 1 200520 |