No or Poor Sound For All Functions

No Or Poor Sound For All Functions






Fault Symptoms
No or poor sound for all functions.

Conditions
Ignition ON.
IHU activated.

Diagnostic Help
Finding a mechanical or electrical fault.

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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.