Nissan Juke Service and Repair Manual : P1745 line pressure control

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.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


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.

1.CHECK DTC DETECTION

1. Turn ignition switch ONWith CONSULT-III


1. Turn ignition switch ON 2. Select “DATA MONITOR” in “TRANSMISSION”.

3. Make sure that output voltage of CVT fluid temperature sensor is within the range below.

ATF TEMP SEN : 1.0 – 2.0 V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid)

Is “P1745” detected? YES >> Go to TM-249, "Diagnosis Procedure".

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

Diagnosis Proc

1.CHECK DTC

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Select “SELF-DIAG RESULTS” in “TRANSMISSION”.

3. Erase self-diagnostic results.

4. Turn ignition switch OFF, and wait for 10 seconds or more.

5. Start engine.

6. Confirm self-diagnostic results again.

Is the “P1745” displayed? YES >> Replace TCM. Refer to TM-280, "Removal and Installation".

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

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