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. ...
Lock-up control
Lock-up control : system diagram
Lock-up control : system description
The torque converter clutch piston in the torque converter is engaged to
eliminate torque converter slip to
increase power transmission efficiency.
The torque converter clutch control valve operation is controlle ...
Line pressure test
Work Procedure
INSPECTION
Inspect the amount of engine oil. Replenish the engine oil if necessary.
Refer to LU, "Inspection".
Drive for about 10 minutes to warm up the vehicle so that the A/T fluid
temperature is to 50 to 80C (122
to 176F).
Inspect the amount of ATF. Rep ...