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
TweeterB2634, B2635 air mix door motor (passenger side)
Description
COMPONENT DESCRIPTION
Air Mix Door Motor (Passenger Side)
The air mix door motor (passenger side) (1) is attached to the
heater & cooling unit assembly.
It rotates so that the air mix door is opened or closed to a
position
set by the A/C auto amp.
Motor rotation is t ...
Camshaft Valve Clearance
Valve Clearance
CHECKING
NOTE:
Perform inspection as follows after removal, installation or
replacement of camshaft or valve related parts, or if there are unusual
engine conditions regarding valve clearance.
Check valve clearance while engine is cold and not running.
Remove th ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
Sealant and/or Lubricant
...