Diagnosis Procedure
1.CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to PWC "BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure" (with Intelligent Key system) or PWC "BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Procedure" (without Intelligent Key system).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check power window main switch power supply and ground circuit.
Refer to PWC "POWER WINDOW MAIN SWITCH : Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> GO TO 1.
Door switchDescription Detects door open/close condition and transmits the signal to BCM. ...

Diagnosis Procedure 1.CHECK FRONT POWER WINDOW MOTOR LH Check front power window motor LH. Refer to PWC "DRIVER SIDE : Component Function Check". Is the inspection result normal? YES ...
Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precautions
which should be closely observed.
WARNING
Park the vehicle on a level surface, apply
the pa ...
P0743 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0743
Torque Converter Clutch Circuit
Electrical
The following diagnosis conditions
are met, and the TCM
torque converter clutch solenoid
valve current monito ...