P0745

DTC P0745 Line Pressure Solenoid Valve

Description
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the TCM.

SDT Reference Value in Data List Mode





On Board Diagnosis Logic
^ This is an OBD-II self-diagnostic item.
^ Diagnostic trouble code "P0745 L/PRESS SOL/CIRC" with SDT or 4th judgement flicker without SDT is detected under the following conditions.
^ When TCM detects an improper voltage drop when it tries to operate the solenoid valve.
^ When TCM detects as irregular by comparing target value with monitor value.

Possible Cause
^ Harness or connectors
(The solenoid circuit is open or shorted.)
^ Line pressure solenoid valve

DTC Confirmation Procedure

NOTE:
If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch "OFF" and wait at least 10 seconds before performing the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH SDT
1. Turn ignition switch "ON" and select "Data list" mode for "Engine / Powertrain" with SDT.
2. Engine start and wait at least 5 second.
3. If DTC is detected, go to [DTC P0745 Line Pressure Solenoid Valve].

WITH GST
Follow the procedure "WITH SDT".

Diagnosis Procedure

Steps 1-4: