Nissan Sentra B18 (2020-2025) Service Manual: P0847-00 Transmission Fluid Pressure Sensor/switch B
Dtc Description
DTC DETECTION LOGIC
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
||
|
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) |
|
Signal |
Secondary pressure sensor signal |
|||
|
Threshold |
Secondary pressure sensor detected voltage ≤0.09 V |
|||
|
Diagnosis detection time |
5 seconds |
|||
POSSIBLE CAUSE
-
Harness or connector
-
Secondary pressure sensor
-
Control valve
-
Secondary pressure solenoid valve
-
TCM
FAIL-SAFE
Stop/start system prohibited
DTC CONFIRMATION PROCEDURE
-
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.
-
CHECK DTC DETECTION
-
Start the engine.
-
Maintain the following condition for 10 seconds or more.
CVT fluid temperature
: -19 °C (-2 °F) or more
-
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
-
Diagnosis Procedure
-
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:
System
Brake Control System
System Description
System Description
SYSTEM DIAGRAM
The system switches fluid pressure of each brake
caliper to increase, to hold, or to decrease according to signals
from control unit in ABS actuator and electric unit (control unit).
...
Corrosion protection
Description
To provide improved corrosion prevention, the following anti-corrosive
measures have been implemented in
NISSAN production plants. When repairing or replacing body panels, it is
necessary to use the same anti-corrosive
measures.
Anti-Corrosive Wax
To improve repairability and co ...
P0101, P0102, P0103 MAF Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0101
MAF SEN/CIRCUIT-B1
(Mass or volume air flow “A”
circuit range/performance)
An excessively high voltage from the mass ...
