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EHU / B1027 02

Read the instructions below then start the fault diagnostic procedure.

Symptom: No sound in the loudspeakers.

  B1027 02


Speaker Front Left Circuit, Short to Ground

Fault symptom

No sound in the loudspeakers.

On-board diagnosis

Enable criteria:

O-bus active.

Fault criteria:

Voltage too low.

System reaction to a fault:

Internal amplifier switched off by voltage or overheating protection.

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.

PRE-RELEASE