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
TweeterHarness connector
Description
HARNESS CONNECTOR (TAB-LOCKING TYPE)
The tab-locking type connectors help prevent accidental looseness
or disconnection.
The tab-locking type connectors are disconnected by pushing or
lifting the locking tab(s). Refer to the figure
below.
Refer to the next page for desc ...
Steering column
Without Electric Motor
-4. Steering column assembly nut tightening order
Steering wheel
Combination switch and spiral cable
Steering column assembly
Hole cover seal
Herbie clip
Hole cover
Lower shaft assembly
With Electric Motor
-4. Steering column assembly ...
Parking lamp circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
tail lamp relay based on inputs from the BCM over the CAN communication
lines. When the tail lamp relay is energized, power flows through fuses 46
and 47, located in the IPDM E/R. Power then flows to the ...