Troubleshooting Guide
IN-CAR ENTERTAINMENT SYSTEM
Note: For the voltage check of *A-*L, please see
connector assignment table on pages 17 & 18.
10
06-04
PROBLEM 5: NO SOUND FROM THE HEADPHONE
Is the headphone turned on?
TO 2.
Is the headphone volume
suitable?
ADJUST THE VOLUME.
SWITCH BETWEEN
CHANNEL A-B.
CORRECT REFERRING TO
DVD MANUAL:
PREFERENCES SECTION.
USE A CLEAN STANDARD
DISK.
Are audio +B and the ACC
circuit fuse normal?
YES
ELIMINATE OBSTACLES.
Is contact of each
connector normal?
Are the transmitter LED's
emmitting red light?
Is power supplied from
vehicle’s audio harness?
Are the fuses in the ICE
harness normal?
NO
NO
NO
NO
NO
NO
NO
NO
Is the correct channel
chosen?
Are the sound settings of the
DVD in the settings menu OK?
Disk free of any scratches, dirt?
Is the disk within the standards?
Is the area between the
display and headphone clear
from any obstacle?
YES
YES
YES
YES
YES
YES
REINSERT THE
CONNECTORS PROPERLY.
NO
NO
NO
Does power come from the
wiring harness 4P
connector?
(Corolla Verso, LC100)
2P connector?
(Avensis, LC120, RX)
YES
REPLACE THE IR
TRANSMITTER MAIN BOX.
NO
YES
YES
REPLACE THE FUSES.
REPLACE THE FUSES.
REFER TO THE VEHICLE’S
REPAIR DOCUMENT.
Does power come to the 4P
connector of the remote
LED? (Corolla Verso, LC100)
REPLACE THE REMOTE
LED’S.
YES
NO
REPLACE THE IR
TRANSMITTER
(AVENSIS, LC120, RX).
YES
G
H
D
EXCHANGE THE
HEADPHONE.
YES
Is power supplied to the
4P filter connector?
Is power supplied to the
6P filter connector?
YES
REPLACE THE
ICE MAIN HARNESS.
YES
REPLACE THE POWER
HARNESS WITH FUSES.
REPLACE THE FILTER.
NO
NO
K
I
L
J
