1.CHECK FUNCTION
Is the inspection result normal?
YES >> Door switch is OK.
NO >> Refer to DLK "Diagnosis Procedure".
Regarding Wiring Diagram information, refer to DLK "POWER DOOR LOCK SYSTEM : Wiring Diagram".
1.CHECK DOOR SWITCH INPUT SIGNAL
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK DOOR SWITCH
Refer to DLK "Component Inspection".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace malfunctioning door switch.
4.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.
1.CHECK DOOR SWITCH
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace malfunction door switch.
Component Function Check 1.CHECK FUNCTION Select INTELLIGENT KEY of BCM using CONSULT. Select FLASHER in ACTIVE TEST mode. Touch LH or RH to check that it works normally. Is the inspecti ...
Drive belt
1. Water pump pulley
2. Generator pulley
3. Manual tensioner pulley
4. Air conditioner compressor pulley
5. Crankshaft pulley
WARNING
Be sure the ignition switch is placed in the
OFF or LOCK position before servicing
drive belt. The engine could rotate
unexpectedly.
1. Visually inspect t ...
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 ...