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.
Component 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. ...
U0073 Communication bus a off
DTC Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0073
Control Module Communication
Bus "A" Off
When the ignition switch is ON,
TCM detects a bus-off error
continuously for 2 seconds or
more.
Harness or connector
(CA ...
P073F Unable to engage 1GR
Description
This malfunction is detected when the A/T does not shift into 1GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...