Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
AV branch line circuit
STRG branch line circuitPrecautions
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER "
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER
",
used along
with a front seat belt, helps to reduce the risk or ...
RGB synchronizing signal circuit
Description
Transmit the RGB synchronizing signal to the display unit so as to
synchronize the RGB image displayed with AV control unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV con ...
Subwoofer
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the subwoofers using
the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and subwoofer connect ...