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



3.TWEETER SIGNAL CHECK


4.HARNESS CHECK



5.TWEETER SIGNAL CHECK

connector.

Front door speaker
Center speakerB terminal C
Description
The "B" terminal is constantly supplied with battery power.
Diagnosis Procedure
CAUTION: Perform diagnosis under the condition that
the engine cannot start by the following procedure.
Remove fuel pump fuse.
Crank or start the engine (where possible) unt ...
Anti-lock Braking System (ABS)
WARNING
The ABS is a sophisticated device, but it
cannot prevent accidents resulting from
careless or dangerous driving techniques.
It can help maintain vehicle control
during braking on slippery surfaces.
Remember that stopping distances on
slippery surfaces will be longer than on
norma ...
C1729 vehicle speed signal
Description
The vehicle speed signal is not being detected by the BCM.
DTC Logic
NOTE: The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS transmitter IDs
&nb ...