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 TCM. Refer to TM-126, "Wiring Diagram".
ABS branch line circuit
IPDM-E branch line circuitDual Panel Moonroof (if so equipped)
Power moonroof.
The moonroof will only operate when the ignition
switch is in theONposition. The power moonroof
is operational for a period of time, even if the
ignition switch is placed in the ACC or OFF
position. If the driver's door or the front passenger's
door is opened during this pe ...
On board diagnostic (OBD) system
Trouble Diagnosis Introduction
CAUTION:
Do not use electrical test equipment on any circuit related to
the SRS unless instructed to do so inthis Service Manual. SRS wiring
harnesses can be identified by yellow and/or orange harness connectors.
Do not attempt to repair, splice or modify ...
Center speaker
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 conne ...