DTC Logic

Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
When U122A is detected, write configuration data with "MULTI AV" of CONSULT.
U122E AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC

U121D AV control unit
U1232 steering angle sensorAntenna AMP
Removal and Installation
REMOVAL
Remove the rear pillar finisher RH. Refer to INT-23, "Exploded
View".
Detach the antenna amp. harness clip (A).
Disconnect the harness connectors (B) from the antenna amp.
(1).
Remove the antenna amp. screw (C) and the antenna amp. (1).
INSTALLAT ...
M&A branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for
damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPEN CI ...
Subwoofer
Description
The AV control 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 AV control unit, BOSE speaker amp. and subwo ...