Nissan Rogue Service Manual: P0848 transmission fluid pressure SEN/SW B
DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
| P0848 | FLUID PRESS SEN/SW B (Transmission Fluid Pressure Sensor/Switch B Circuit Low) | When all of the following conditions are satisfied and this state is
maintained
for 5 seconds:
|
POSSIBLE CAUSE
- Harness or connector (Secondary pressure sensor circuit is shorted to power supply)
- Secondary 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, the 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 “P0848”detected? YES >> Go to TM-148, "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.
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK SECONDARY PRESSURE SENSOR POWER CIRCUIT
- Turn ignition switch OFF.
- Connect TCM connector.
- Disconnect CVT unit connector.
- Check voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT
eck voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal? YES >> There is malfunction of secondary pressure sensor. Replace transaxle assembly. Refer to TM- 220, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
P0847 transmission fluid pressure SEN/SW B
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0847
FLUID PRESS SEN/SW B
(Transmission Fluid Pressur ...
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 Pressur ...
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Description
Transmits a seat belt buckle switch signal to the combination meter.
Component Function Check
1. CHECK COMBINATION METER INPUT SIGNAL
Ignition ON.
Monitor seat belt warning lamp while fastening and unfastening the
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Symptom diagnosis
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Description
Check that vehicle Operating Conditions are as listed in “Conditions of
Vehicle” below before starting Diagnosis
Procedure. Make sure to check each symptom in Diagnosis Procedure.
NOTE:
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System description
COMPONENT PARTS
Component Parts Location
Instrument lower panel LH
Rear final drive assembly
Rear wheel house outer panel in luggage
room of left side
No.
Component
Function
1
Combination meter
Mainly transmits the following signals to AWD control unit ...