Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M71 and microphone connector R15.
3. Check continuity between AV control unit connector M71 and microphone
connector R15.
4. Check continuity between AV control unit connector M71 and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.CHECK MICROPHONE VCC VOLTAGE
1. Connect AV control unit connector M71.
2. Turn ignition switch ON.
3. Check voltage between terminals of AV control unit connector M71.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace AV control unit. Refer to AV "Removal and Installation".
3.CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check signal between terminals of AV control unit connector M71.
Is the inspection result normal?
YES >> Replace AV control unit. Refer to AV "Removal and Installation".
NO >> Replace microphone. Refer to AV "Removal and Installation".
Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK REVERSE INPUT SIGNAL 1. Turn ignition switch ON. 2. Shift the selector lever to R (reverse ...
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 ...
U1001 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an onvehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each con ...
P0863 TCM Communication
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...