Nissan Sentra B18 (2020-2025) Service Manual: P0847-00 Transmission Fluid Pressure Sensor/switch B
Dtc Description
DTC Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0847 |
00 |
FLUID PRESS SEN/SW B (Transmission Fluid Pressure Sensor/Switch "B" Circuit Low) |
Diagnosis condition |
Diagnosis is permitted when all of the following conditions are satisfied: a) Power supply voltage ≥ 10 V b) CVT fluid temperature > -20 °C (-4 °F) |
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Signal |
Secondary pressure sensor signal |
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Threshold |
Secondary pressure sensor detected voltage ≤0.09 V |
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Diagnosis detection time |
5 seconds |
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POSSIBLE CAUSE
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Harness or connector
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Secondary pressure sensor
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Control valve
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Secondary pressure solenoid valve
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TCM
FAIL-SAFE
Stop/start system prohibited
DTC CONFIRMATION PROCEDURE
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PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 10 seconds, then perform the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V.
>>GO TO 2.
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CHECK DTC DETECTION
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Start the engine.
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Maintain the following condition for 10 seconds or more.
CVT fluid temperature
: -19 °C (-2 °F) or more
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Check the DTC.
Is "P0847-00" detected?
YES >>Proceed to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
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Diagnosis Procedure
Diagnosis Procedure
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CHECK SECONDARY PRESSURE SENSOR CIRCUIT
Check secondary pressure sensor circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>Replace TCM. Refer to Removal and Installation.
NO >>Repair or replace damaged parts.
Other materials:
Battery replacement
WARNING
Ingestion hazard: Death or serious injury may occur if a battery is ingested.
A swallowed button cell or coin battery can cause severe internal chemical
burns in as little as 2 hours.
Always keep new and used batteries out of the reach of children.
Be careful to prevent children ...
System
System Description
System Description
DESCRIPTION
ADAS* control unit 2 controls the following
systems, based on CAN communication signal from each control unit.
Note:
*: Advanced Driver Assistance Systems
I-FCW
...
Diagnosis System (bose Amp.)
Consult Function
CONSULT Function
CONSULT FUNCTIONS
CONSULT performs the following functions via
communication with the Bose speaker amp.:
Diagnosis Mode
CGW Status
...