4AT RE4F03C

P0963 PRESSURE CONTROL SOLENOID A

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


CAUTION:
Be careful of the driving speed.

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

1.Start the engine.
2.Maintain the following conditions for 5 seconds or more.





3.Check the first trip DTC.
Is "P0963" detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CIRCUIT BETWEEN TCM AND A/T UNIT

1.Turn the ignition switch OFF.
2.Disconnect the TCM connector and A/T unit connector.
3.Check the continuity between the TCM harness connector and the A/T unit harness connector.





Is the check result normal?
YES - GO TO 2.
NO- Repair or replace the malfunctioning parts.

2. CHECK LINE PRESSURE SOLENOID VALVE

Check the line pressure solenoid valve. Refer to "Component Inspection (Line Pressure Solenoid Valve)" 4AT RE4F03C.
Is the check result normal?
YES - Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace the malfunctioning parts.


Component Inspection (Line Pressure Solenoid Valve)


1. CHECK LINE PRESSURE SOLENOID VALVE

Check the resistance between the A/T unit connector and ground.





Is the check result normal?
YES- INSPECTION END
NO- There is a malfunction of line pressure solenoid valve. Replace the transaxle assembly. Refer to
"Removal and Installation" Removal and Replacement.