Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Precaution
Removal and installationMain line between ADP and DLC circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (connector side
and harness side).
Harness connector B1
Harness connect ...
Steering switch
Description
When one of the steering wheel audio control switches is pushed, the
resistance in steering switch circuit changes depending on which button is
pushed.
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE
Disconnect steering switch connector M88.
Check resistance betwe ...
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 ...