B2580 04
B2580 04
High Beam Left Circuit, Open
Fault symptom
- Left-hand main beam, faulty function.
- Messages shown in SID.
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Main beam on.
Fault criteria:
- Current consumption is below 0.8 A.
System reaction to a fault:
- None
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:
Activation:
- High Beam Left