Nissan Murano: Dtc/circuit Diagnosis / P0746 Pressure Control Solenoid a

Nissan Murano (Z52) 2015-2024 Service Manual / Transmission & Driveline / Transaxle & Transmission :: Cvt: Re0f10j / Dtc/circuit Diagnosis / P0746 Pressure Control Solenoid a

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0746	PC SOLENOID A (Pressure Control Solenoid A Performance/Stuck Off)	1	Diagnosis condition	When all of the following conditions are satisfied: Engine speed: More than 600 rpm Primary pulley speed: More than 450 rpm Idle is not being detected. Acceleration/deceleration speed: −0.49 m/s² (−0.05 G) or more The primary pulley speed experienced 300 rpm or more and the secondary pulley speed experienced 250 rpm or more at least once. Secondary pulley speed: More than 150 rpm TCM power supply voltage: More than 11 V
			Signal	—
			Threshold	The following condition is detected twice or more (1 second or more later after detection of the first) in the same DC Status with the shifting ratio of the primary pulley speed/secondary pulley ratio exceeding 2.825 is 0.2 sec or more continuously
			Diagnosis delay time	—
		2	Diagnosis condition	When all of the following conditions are satisfied: Engine speed: More than 600 rpm Primary pulley speed: More than 450 rpm Idle is not being detected. Acceleration/deceleration speed: −0.49 m/s² (−0.05 G) or more The primary pulley speed experienced 300 rpm or more and the secondary pulley speed experienced 250 rpm or more at least once. Secondary pulley speed: More than 150 rpm TCM power supply voltage: More than 11 V
			Signal	—
			Threshold	The following condition is detected twice or more (1 second or more later after detection of the first) in the same DC Status with the shifting ratio of the primary pulley speed/secondary pulley ratio exceeding 3.625 is 0.1 sec or more continuously.
			Diagnosis delay time	—

NOTE:

DC stands for "DRIVING CYCLE" and indicates a series of driving cycle of "Ignition switch OFF → ON → driving → OFF".

POSSIBLE CAUSE

Line pressure solenoid valve
Control valve assembly

FAIL-SAFE

Selector shock is large
Start is slow
Acceleration is slow
Lock-up is not performed

DTC Confirmation Procedure

CAUTION:

Be careful of the driving speed.

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.

CHECK DTC DETECTION

Start the engine.
Drive the Nissan Murano vehicle.
Maintain the following conditions for 10 seconds or more.

Selector lever : “D” position

Accelerator pedal position : 0.5/8 or more

Nissan Murano Vehicle speed : 40 km/h (25 MPH) or more
Stop the vehicle.
Check the first trip DTC.

Is “P0746”detected?

YES>>

Go to Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK INTERMITTENT INCIDNT

Refer to Intermittent Incident.

Is the inspection result normal?

YES>>

Replace transaxle assembly. Refer to Removal and Installation (front wheel drive) or Removal and Installation (all wheel drive).

NO>>

Repair or replace the malfunction items.

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