B2575
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Xenon lamp malfunction.
Warning lamp on in MIU.
Malfunctioning circuit for Xenon lamp or Xenon lamp broken
Warning
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HIGH TENSION
The headlamp/AHL control module and xenon headlamp ignition transformer generate a voltage in excess of 23 000 V. This voltage can be lethal to individuals with a weak heart or pacemaker. Treat this system with great respect and turn off the ignition before working on the system's components.
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Warning
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Fault symptoms
Xenon lamp malfunction.
Warning lamp on in MIU.
Enable criteria
Xenon lamp on.
Fault criteria
Break or lamp current exceeds 3.5A.
System reaction to a fault
Control unit for the faulty headlamp cuts the output to the headlights.
Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.