Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
- Models without BOSE audio with color display: AV-231, "AV CONTROL UNIT : Diagnosis Procedure" - Models with BOSE audio with color display: AV-388, "AV CONTROL UNIT : Diagnosis Procedure" - Models with BOSE audio with color display with navigation system: AV-571, "AV CONTROL UNIT : Diagnosis Procedure"
M&A branch line circuit
HVAC branch line circuitDisplay unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Inspection and adjustment
Preliminary Check
1. FOREIGN OBJECTS
Check the following:
objects on or behind the seats that could cause binding
objects under the seats that may be interfering with the seat's
moving parts
objects under pedals that may interfere with movement
Are there any foreign objects that coul ...
Air cleaner
The air cleaner filter should not be cleaned and
reused. Replace it according to the maintenance
log shown in the "Maintenance and schedules"
section of this manual. When replacing the filter,
wipe the inside of the air cleaner filter housing
and the cover with a damp cloth.
To remove the ...