A Click Is Heard From the Speakers When the Audio System Is Switched Off

A Click Is Heard From The Speakers When The Audio System Is Switched Off

Fault symptoms

Interference noise when the radio is switched off or in the mute mode.
A click is heard from the speakers when the audio system is switched off.
The symptom applies to cars with a separate amplifier.

Conditions

No diagnostic trouble codes stored relating to the current symptom.

Checking the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.

Fault Diagnosis Procedure