AUX Image Signal Circuit

AUX IMAGE SIGNAL CIRCUIT





Description
- Transmits the image signal of AUX device from 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 auxiliary input jacks connector and AV control unit connector.
3. Check continuity between auxiliary input jacks harness connector and AV control unit harness connector.





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





Is the inspection result normal?
YES - Replace AV control unit. Exploded View Bose Audio With Navigation.
NO - Check that there is no malfunction in the external device.