Nissan Rogue Service Manual: P084c transmission fluid pressure SEN/SW H

Nissan Rogue Service Manual / Transmission & driveline / Transaxle & Transmission / Dtc/circuit diagnosis / P084c transmission fluid pressure SEN/SW H

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P084C	FLUID PRESS SEN/SW H (Transmission Fluid Pressure Sensor/Switch H Circuit Low)	When all of the following conditions are satisfied and this state is maintained for 5 seconds: CVT fluid temperature: More than −20°C (−4°F) TCM power supply voltage: More than 11 V Primary pressure sensor voltage: 0.09 V or less

POSSIBLE CAUSE

Harness or connector (Primary pressure sensor circuit is open or shorted to ground)
Primary pressure sensor
Control valve assembly

FAIL-SAFE

Not changed from normal driving

DTC CONFIRMATION PROCEDURE

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

With CONSULT

Start the engine.
Select “Data Monitor” in “TRANSMISSION”.
Select “FLUID TEMP”.
Maintain the following conditions for 10 seconds or more.

FLUID TEMP : More than −20°C (−4°F)

Check the first trip DTC.

With GST

Start the engine and wait for at least 10 seconds.
CAUTION: When the ambient temperature is less than −20°C (−4°F) and the engine is cold, warm up the engine for approximately 5 minutes.
Check the first trip DTC.

Is “P084C”detected? YES >> Go to TM-150, "Diagnosis Procedure".

NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

1.CHECK TCM INPUT SIGNALS

Turn ignition switch OFF.
Start the engine.
Check voltage between TCM harness connector terminals.

Check TCM input signals

Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 2.

2.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)

Turn ignition switch OFF.
Disconnect TCM connector and CVT unit connector.
Check continuity between TCM harness connector terminals and CVT unit harness connector terminals.

Check circuit between TCM and CVT unit (part 1)

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace malfunctioning parts.

3.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)

Check continuity between TCM harness connector terminals and ground.

Check circuit between TCM and CVT unit (part 2)

Is the inspection result normal? YES >> There is malfunction of primary pressure sensor. Replace transaxle assembly. Refer to TM-220, "Removal and Installation".

NO >> Repair or replace malfunctioning parts.

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