DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON, and wait for 2 seconds or more.
2. Check "Self-diagnosis result" with CONSULT.
Is DTC detected?
YES >> Go to PCS "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to PCS "Wiring Diagram".
1.CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1. Turn ignition switch ON.
2. Erase the DTC of IPDM E/R.
3. Turn ignition switch OFF.
4. Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES >> Repair or replace the malfunctioning part. Refer to BCS "DTC Index".
NO >> GO TO 2.
2.CHECK IGNITION RELAY-1 CONTROL SIGNAL (IPDM E/R)
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace BCM. Refer to BCS "Removal and Installation".
3.CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT (IPDM E/R)
1. Turn ignition switch OFF.
2. Disconnect BCM and IPDM E/R connectors.
3. Check continuity between BCM harness connector and IPDM E/R harness
connector.
Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> Repair or replace harness.
Additional service when replacing
TCM
Description
Always perform the following items when the TCM is replaced.
LOADING OF THE CALIBRATION DATA
The TCM acquires calibration data (individual characteristic value) of
each solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM to perform
accur ...
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 ...