SAAB WIS ONLINE

No or poor sound from the speakers when navigation is used

Read the instructions below then start the fault diagnostic procedure.

Symptom: No or poor sound from the speakers when navigation is used.

No or poor sound from the speakers when navigation is used



Fault symptoms

No or poor sound from the speakers when navigation is used.

Conditions

Ignition ON.

IHU activated.

Diagnostic help

The sound is OK in radio and CD changer modes.

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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.