With Mobile Entertainment System

AUX IMAGE SIGNAL CIRCUIT


Description

Transmits the image signal of external device from auxiliary input jacks to video distributor.




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 video distributor connector.
3. Check continuity between auxiliary input jacks harness connector terminal 7 and video distributor harness connector terminal 19.

7 - 19: Continuity should exist.

4. Check continuity between auxiliary input jacks harness connector terminal 8 and video distributor harness connector terminal 21.

8 - 21: Continuity should exist.

5. Check continuity between auxiliary input jacks harness connector terminal 7 and ground.

7 - Ground: Continuity should not exist.

6. Check continuity between auxiliary input jacks harness connector terminal 8 and ground.

8 - Ground: Continuity should not exist.

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 video distributor connector.
2. Turn ignition switch ON.
3. Check signal between video distributor harness connector terminal 19 and 21.





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