Diagnosis Procedure
1.CHECK ANTI KEY LOCK IN FUNCTI SETTING IN WORK SUPPORT
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Set On in ANTI KEY LOCK IN FUNCTI.
2.CHECK DOOR SWITCH
Check door switch.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK INSIDE KEY ANTENNA
Check inside key antenna.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK UNLOCK SENSOR
Check unlock sensor.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.REPLACE BCM
Is the result normal?
YES >> Inspection End.
NO >> Check intermittent incident. Refer to GI "Intermittent Incident".
Diagnosis Procedure 1.CHECK HAZARD ANSWER BACK SETTING IN WORK SUPPORT Select INTELLIGENT KEY of BCM using CONSULT. Select HAZARD ANSWER BACK in WORK SUPPORT mode. Check the HAZARD ANSWER BAC ...
Diagnosis Procedure 1.CHECK DTC WITH BCM Check that DTC is not detected with BCM Is the inspection result normal? YES >> GO TO 2. NO >> Perform trouble diagnosis relevant to DTC ind ...
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 ...
Lock-up control
LOCK-UP CONTROL : System Description
SYSTEM DIAGRAM
DESCRIPTION
Controls for improvement of the transmission efficiency by engaging the
torque converter clutch in the
torque converter and eliminating slip of the converter. Achieves comfortable
driving with slip control of the
t ...