Component Function Check
1.CHECK FUNCTION
Is the inspection result normal?
YES >> Key warning lamp is OK.
NO >> Refer to DLK "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK KEY WARNING LAMP
Refer to MWI "Work Flow".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.
Vehicle Dynamic Control (VDC) system (if so equipped)
The VDC system uses various sensors to monitor
driver inputs and vehicle motion. Under certain
driving conditions, the VDC System helps to perform
the following functions:
Controls brake pressure to reduce wheel
slip on one slipping drive wheel so power is
transferred to a non slipping drive w ...
P0740 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0740
Torque Converter Clutch Circuit/
Open
The follow diagnosis conditions
are met, and the TCM torque
converter clutch solenoid valve
current monitor readin ...