AUX Image Signal Circuit

AUX IMAGE SIGNAL CIRCUIT


Description

Transmits the image signal of external device from auxiliary input jacks to front display unit.




AUX IMAGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect auxiliary input jacks connector and front display unit connector.
3. Check continuity between auxiliary input jacks harness connector and front display unit harness connector.





4. Check continuity between front display unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK AUX IMAGE SIGNAL
1. Connect auxiliary input jacks connector and front display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector using an oscilloscope.





Is the inspection result normal?
YES - Replace front display unit.
NO - Check that there is no malfunction in the external device.