UEC / B2580 02
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Left-hand main beam, faulty function.
Message appears in display.
High Beam Left Circuit, Short to Ground
Fault symptom
Left-hand main beam, faulty function.
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Current consumption is greater than 30 A for more than 12 ms. |
System reaction to a fault:
| Control module output is switched off. |
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:
