Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CHECK AUX JACK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M71 and AUX in jack connector M76.
3. Check continuity between AV control unit connector M71 and AUX in jack
connector M76.
4. Check continuity between AV control unit connector M71 and ground.
Is the inspection result normal?
YES >> Replace the AUX in jack. Refer to AV "Removal and Installation".
NO >> Repair or replace harness or connectors.
SYMPTOM DIAGNOSIS
USB ConnectorDiagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK USB INTERFACE HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect AV control uni ...

Symptom Table RELATED TO AUDIO Symptoms Check items Probable malfunction location The disk cannot be removed. AV control unit Malfunction in AV control unit. Refer t ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
*1 SRC "Diagnosis Description" *2 SRC "SRS Operation Check" *3 SRC
"Trouble Diagnosis with
CONSULT" *4 SRC "Trouble Diagnosis without CONSULT"
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the c ...
Microphone signal circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV"Wiring Diagram".
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector B33 and microphone connector
R15.
3. Check continuity betw ...