Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)

Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PART 2)
Check voltage between TCM harness connector terminals and ground. 
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 5.
3.CHECK TCM GROUND CIRCUIT
Check continuity between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
4.DETECT MALFUNCTION ITEMS (PART 1)
Check the following items:
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
5.CHECK CIRCUIT BETWEEN IPDM E/R AND TCM (PART 1)

Is the check result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning parts.
6.CHECK CIRCUIT BETWEEN IPDM E/R AND TCM (PART 2)
Check continuity between IPDM E/R harness connector terminal and ground. 
Is the check result normal?
YES >> GO TO 7.
NO >> Repair or replace malfunctioning parts.
7.DETECT MALFUNCTIONING ITEMS (PART 2)
Check the following items:
Is the check result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
P285A Clutch B pressureDTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P285A Clutch B pressure disengagement performance The detection con ...
Starting the engine (models without NISSAN Intelligent Key system)
1. Apply the parking brake.
2. Automatic Transmission / CVT models:
Move the shift lever to P (Park) or N (Neutral).
P (Park) is recommended.
The shift lever cannot be moved out of
P (Park) and into any of the other gear
positions if the ignition key is turned to
the OFF position or if ...
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 ...