Aux Image Signal Circuit (Rear Auxiliary Input Jacks to Video Distributor)

AUX IMAGE SIGNAL CIRCUIT (REAR AUXILIARY INPUT JACKS TO VIDEO DISTRIBUTOR)

Description

- Transmits the image signal of AUX device from rear auxiliary input jacks to the video distributor.
- Video distributor transmits the image signal that is input to the headrest display unit.


Diagnosis Procedure


1. CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect rear auxiliary input jacks connector and video distributor connector.
3.Check continuity between rear auxiliary input jacks harness connector and video distributor harness connector.





4.Check continuity between rear 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 rear auxiliary input jacks connector and video distributor connector.
2.Turn ignition switch ON.
3.Check signal between rear auxiliary input jacks harness connector and ground.





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