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

Commercial Service Tools

PrecautionAMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
Turn audio system ON.
Check v ...
P0826 up and down shift SW
Description
Manual mode switch transmits signals (manual mode, not manual mode, shift up
and shift down) to combination
meter.
Paddle shifter transmits signals (shift up and shift down) to combination
meter. (With paddle shifter)
Combination meter transmits signals (manual mode, not manual ...
BCM 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 BCM for damage, bend and
loose connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...