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 ...
Stall 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 50 to 80C (122 to
176F).
Inspect the amount of ATF. Replenish ...
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 ...