UEC / B3866 0B
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Right-hand main beam, faulty function.
High Beam Right Circuit, Current above Threshold
Fault symptom
Message appears in display.
Right-hand main beam, faulty function.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Current consumption is between 7.9 and 30 A. |
System reaction to a fault:
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
