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 front door speakers 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.FRONT DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.FRONT DOOR SPEAKER SIGNAL CHECK


Power supply and ground circuit
TweeterPush-Button Ignition Switch
WARNING
Do not operate the push-button ignition
switch while driving the vehicle except in
an emergency. (The engine will stop when
the ignition switch is pushed three consecutive
times in less than 1.5 seconds or
the ignition switch is pushed and held for
more than 2 seconds.) If the engine ...
System operation
The automatic drive positioner system will not
work or will stop operating under the following
conditions:
When the vehicle speed is above 0 mph
(0 km/h) or 4 mph (7km/h) for some limited
functions such as linking a key fob to the
meter when the power source is turned on
from off or du ...
Normal operating condition
Description
The majority of the audio concerns are the result of outside causes (bad CD,
electromagnetic interference, etc.).
NOISE
The following noise results from variations in field strength, such as fading
noise and multi-path noise, or external noise from trains and other sources.
It i ...