Diagnosis Procedure
Regarding Wiring Diagram information, refer to HAC "Wiring Diagram" or HAC "Wiring Diagram".
1.CHECK A/C INDICATOR POWER SUPPLY

Is the inspection result normal?
YES >> Replace front air control. Refer to HAC "Removal and Installation".
NO >> Repair harness or connector between front air control and fuse.
Blower fan on signalComponent Function Check 1.CHECK BLOWER FAN ON SIGNAL With CONSULT Turn ignition switch ON. Select "AIR CONDITIONER" of "BCM" using CONSULT. Select "FAN ON SIG" in "DATA MONITOR" mode, and ...

Description The front blower motor utilizes a brush-less motor with a rotating magnet. Quietness is improved over previous motors where the brush was the point of contact and the coil rotated. ...
P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...
U0140 Lost communication (BCM)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0140
Lost Communication With Body
Control Module
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from BCM continuously ...