Description
BCM receives the engine status signal from ECM via CAN communication.
DTC DETECTION LOGIC
NOTE:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait 2 seconds or more.
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
1.INSPECTION START
1. Turn ignition switch ON.
2. Select Self Diagnostic Result mode of BCM using CONSULT.
3. Touch ERASE.
4. Perform DTC CONFIRMATION PROCEDURE for DTC B260F. Refer to SEC "DTC Logic".
Is DTC detected?
YES >> GO TO 2.
NO >> Inspection End.
2.REPLACE ECM
1. Replace ECM.
Refer to EC "Removal and Installation".
2. Perform "ADDITIONAL SERVICE WHEN REPLACING ECM".
Refer to EC "Work Procedure".
>> Inspection End.
Position switch
Removal and Installation
REMOVAL
Drain gear oil. Refer to TM, "Draining".
Disconnect the harness connector (A) from position switch.
Remove position switch from transaxle case.
INSTALLATION
Apply recommended sealant to threads of position switch.
&nbs ...
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 ...