sophiafeuer6
Yaris Lighting Fault
Summary of the thread
A 2004 Toyota Yaris was experiencing random lighting issues and a 'fault in the lighting' error code. Initial checks of bulbs and fuses showed no problems, leading to suspicion of the light switch. A suggestion was made to inspect the cable and plug connection to the light switch, as a defective connection could cause such issues. Upon professional inspection, a loose connection on the light switch was found and fixed, resolving the problem.
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4 comment(s)
sophiafeuer6 (community.author)
Thanks for the tip! I'll check that. Where exactly should I be looking? Any common problem spots to look out for on the light switch wiring?
alinaknight9
Yes, the cable and plug connection was the cause of the issue in my case. I recommend you visit a workshop. They should have the tools to diagnose the issue properly with high probability. Moreover, you probably don't want to be messing around with electric wiring yourself.
sophiafeuer6 (community.author)
Appreciate the advice! I took it to a local shop and they found a loose connection on the light switch, just as you suspected. They cleaned it up, re-seated the connector, and the problem is gone! Total cost was 95€ Thanks for pointing me in the right direction.
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TOYOTA
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YARIS
alinaknight9
I had a similar issue with my Yaris; though I suspect it will apply to other versions than mine. Have you inspected the cable and plug connection to the light switch? A defective connection there can definitely cause intermittent faults and trigger error codes.