CU GSM / B2500 08
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Microphone has poor pick-up efficiency.
Microphone Range Error
Fault symptom
Microphone has poor pick-up efficiency.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Faulty signal from the microphone. |
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. |
