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 between Bluetooth control unit connector B33 and
microphone connector R15.
4. Check continuity between Bluetooth control unit connector B33 and ground.
Are continuity results as specified?
YES >> GO TO 2
NO >> Repair harness or connectors.
2.CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector B33 and microphone connector R15.
2. Turn ignition switch ON.
3. Check voltage between microphone connector R15 and ground.

Is the voltage reading as specified?
YES >> GO TO 3
NO >> Replace Bluetooth control unit. Refer to AV"Removal and Installation".
3.CHECK MICROPHONE SIGNAL
Check signal between terminals of Bluetooth control unit connector B33.
Were voltage readings as specified?
YES >> Replace Bluetooth control unit. Refer to AV "Removal and Installation".
NO >> Replace microphone. Refer to AV "Removal and Installation".
Bluetooth control signal circuitDiagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK CONTROL SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect Bluetooth con ...

Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE 1. Turn ignition switch OFF. 2. Disconnect ...
Additional service when replacing
ECM
Description
When replacing ECM, the following procedure must be performed.
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform the programming.
Work Procedure
1.CHECK ECM PART NUMBER
Che ...
Repairing material
Foam Repair
During factory assembly, foam insulators are installed in certain body panels
and locations around the vehicle.
Use the following procedure(s) to replace any factory-installed foam insulators.
URETHANE FOAM APPLICATIONS
Use commercially available Urethane foam for sealant (foam ...