Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitB2578, B2579 in-vehicle sensor
Description
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower cover
(LH).
It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspira ...
Steering switch
Removal and Installation
REMOVAL
Remove the driver airbag module. Refer to SR-12, "Removal and
Installation".
Remove the steering wheel audio control switch screws (A).
Release the steering wheel audio control switch harness clips
(B).
Remove the steering wheel audio c ...
Rear sunroof glass
Removal and Installation
REMOVAL
Apply protective tape around all of the glass panels to be
removed.
Remove the satellite radio antenna. Refer to AV-174, "Removal and
Installation" (Bose W/Monochrome Display), AV-495, "Removal and
Installation" (Bose W/Color Display W/O Navi), or AV- ...