DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet

Precaution
System descriptionB257B, B257C ambient sensor
Description
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor (1) is installed to the front bumper
reinforcement.
It detects ambient temperature and converts it into a resistance
value which is then input into the A/C auto amp.
Ambient Sensor Circuit
AMBIENT TEMPERATUR ...
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- ...
M&A branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for
damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPEN CI ...