Aux Image Signal Circuit (Front Auxiliary Input Jacks to AV Control Unit)

AUX IMAGE SIGNAL CIRCUIT (FRONT AUXILIARY INPUT JACKS TO AV CONTROL UNIT)

Description

- Transmits the image signal of AUX device from front auxiliary input jacks to AV control unit.
- AV control unit transmits the image signal that is input to the front display unit.


Diagnosis Procedure


1. CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect front auxiliary input jacks connector and AV control unit connector.
3.Check continuity between front auxiliary input jacks harness connector and AV control unit harness connector.





4.Check continuity between front auxiliary input jacks 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 front auxiliary input jacks connector and AV control unit connector.
2.Turn ignition switch ON.
3.Check signal between front auxiliary input jacks harness connector and ground.





Is the inspection result normal?
YES- Replace AV control unit. Refer to "Removal and Installation" Service and Repair.
NO- Check that there is no malfunction in the external device.