Only Sound From External Device Is Difficult To Hear, Cannot Be Heard, Or Quality Is Poor

AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: Only Sound from External Device is Difficult to Hear, cannot be Heard, or Quality is Poor

Only Sound from External Device is Difficult to Hear, cannot be Heard, or Quality is Poor

INSPECTION PROCEDURE
HINT:
If the vehicle has a navigation system, "multi-display" refers to the "display and navigation module display".

PROCEDURE

1. CHECK IF SOUND MALFUNCTION OCCURS ONLY WITH EXTERNAL DEVICE
(a) Check if the sound malfunction occurs only with the external device.

Result





B -- GO TO SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND MULTI-DISPLAY SELECTOR
A -- Continue to next step.
2. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)





(a) Enter the "Display Check" mode (Vehicle Signal Check Mode) Display Check Mode.
(b) Check if the VTR adapter is set to ON.
OK:






NG -- GO TO SOUND SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND MULTI-DISPLAY SELECTOR
OK -- Continue to next step.
3. CHECK EXTERNAL DEVICE
(a) Check if the external device is normal by installing it in another vehicle, etc.
OK:
Same problem does not occur.
NG -- END (EXTERNAL DEVICE IS DEFECTIVE)
OK -- REPLACE REMOTE CONTROL ADAPTER ASSEMBLY