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 center speaker using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.CENTER SPEAKER SIGNAL CECK


4.HARNESS CHECK

connector B109.


5.CENTER SPEAKER SIGNAL CHECK


Tweeter
Rear door speakerDiagnosis and repair work flow
Work Flow
INTRODUCTION
The TCM receives signals from the vehicle speed sensor and transmission range
switch. Then it provides shift
control or lock-up control via CVT solenoid valves.
The TCM also communicates with the ECM by means of signals
sent from sensing elements used with the OBD-r ...
U1200 AV control unit
Description
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
system according to communication signals from the AV contro ...
P0014, P0024 EVT control
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0014 or P0024 is displayed with DTC P0078, P0084 first
perform trouble diagnosis for DTC
P0078, P0084. Refer to EC-180, "DTC Logic".
If DTC P0014 or P0024 is displayed with DTC P1078, P1084 first
perform trouble diagn ...