DTC Logic
DTC DETECTION LOGIC
DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
P0863 | TCM Communication Circui | An error is detected at the initial CAN diagnosis of TCM. | TCM |
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT
Is "P0863" detected?
YES >> Go to TM "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTERMITTENT INCIDNT
Refer to GI "Intermittent Incident".
Is the inspection result normal?
YES >> Replace TCM. Refer to TM "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
Power supply and ground circuit
Diagnosis Procedure
1.CHECK GROUND CONNECTION
Turn ignition switch OFF.
Check ground connection E. Refer to Ground Inspection in GI, "Circuit
Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ECM G ...
P0744 Torque converter
Description
This DTC is detected when the torque converter clutch solenoid valve is
electrically normal but the torque converter
clutch does not engage. This is not due to an electrical malfunction (circuit
open or shorted), but is
instead due to a mechanical malfunction (sticking of the cont ...