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No sound from the speakers

Read the instructions below then start the fault diagnostic procedure.

Symptom: No sound from the speakers. The symptom applies to cars with a separate amplifier.

No sound from the speakers


Fault symptoms

No sound from the speakers.

The symptom applies to cars with a separate amplifier.

Conditions

No diagnostic trouble codes stored relating to the current symptom.

Diagnostic help

One of the following is the likely cause of there not being any sound from the speakers:

- Faulty lead (trigger) between EHU pin 6 and amplifier pin 12.

To the amplifier:

- Blown fuse.

- Faulty voltage supply.

- Faulty ground.

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 diagnostics instrument during the test.