Nissan Sentra B18 (2020-2025) Service Manual: Primary Pressure Solenoid Valve Circuit
Diagnosis Procedure
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CHECK HARNESS CONNECTOR
-
Ignition switch OFF.
-
Check the mating condition of TCM harness connector and CVT unit harness connector.
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace damaged parts.
-
-
CHECK CONNECTOR TERMINAL
-
Disconnect TCM harness connector and CVT unit harness connector.
-
Check the connectors of TCM and CVT unit for water intrusion, or damage or corrosion of the terminals.
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace damaged parts.
-
-
CHECK DETECTED DTC
Are other solenoid valve malfunctions detected in addition to primary pressure solenoid valve?
YES >>GO TO 4.
NO >>GO TO 7.
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CHECK SOLENOID GROUND CIRCUIT - 1
-
Connect TCM harness connector.
-
Check continuity (resistance) between CVT unit harness connector terminal and ground.
CVT unit
—
Continuity (Resistance)
Connector
Terminal
F46
19
Ground
Existed (1 Ω or less)
Is the inspection result normal?
YES >>GO TO 6.
NO >>GO TO 5.
-
-
CHECK SENSOR GROUND CIRCUIT - 2
-
Disconnect TCM harness connector.
-
Check continuity (resistance) between TCM harness connector terminal and CVT unit harness connector terminal.
TCM
CVT unit
Continuity (Resistance)
Connector
Terminal
Connector
Terminal
F23
43
F46
19
Existed (1 Ω or less)
Is the inspection result normal?
YES >>GO TO 6.
NO >>Repair harness or connector.
-
-
CHECK TCM POWER SUPPLY AND GROUND CIRCUITS
Check TCM power supply and ground circuits. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>INSPECTION END
NO >>Repair or replace damaged parts.
-
CHECK PRIMARY PRESSURE SOLENOID VALVE CIRCUIT - 1
Check continuity (resistance) between TCM harness connector terminal and CVT unit harness connector terminal.
TCM
CVT unit
Continuity (Resistance)
Connector
Terminal
Connector
Terminal
F23
40
F46
2
Existed (1 Ω or less)
Is the inspection result normal?
YES >>GO TO 8.
NO >>Repair harness or connector.
-
CHECK PRIMARY PRESSURE SOLENOID VALVE CIRCUIT - 2
Check continuity between TCM harness connector terminal and ground.
TCM
−
Continuity
Connector
Terminal
F23
40
Ground
Not existed
Is the inspection result normal?
YES >>GO TO 9.
NO >>Repair harness.
-
CHECK PRIMARY PRESSURE SOLENOID VALVE
Check resistance between CVT unit connector terminals.
CVT unit
Test condition
Resistance
Terminal
2
19
CVT fluid temperature
20°C (68°F)
5.0 – 5.6 Ω
50°C (122°F)
5.5 – 6.8 Ω
80°C (176°F)
6.0 – 8.0 Ω
Is the inspection result normal?
YES >>INSPECTION END
NO >>Replace control valve due to primary pressure solenoid valve malfunction. Refer to Removal and Installation.
Line Pressure Solenoid Valve Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS CONNECTOR
Ignition switch OFF.
Check the mating condition of TCM
...
Secondary Pressure Solenoid Valve Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS CONNECTOR
Ignition switch OFF.
Check the mating condition of TCM
...
Other materials:
Seat Belt Height Adjuster
Removal and Installation
Removal and Installation
REMOVAL
Remove
center pillar upper finisher. Refer to Removal and Installation.
Remove
bolts (A) and seat belt height adjuster (1) from Nissan Sentra vehicle. Note:
LH shown, RH similar.
...
U0284 Active Grille Shutter
Dtc Description
DTC Description
DTC DETECTION LOGIC
When ECM cannot receive the engine communication signal from
active grille shutter.
DTC No.
CONSULT screen terms
(Trouble diagnosis
...
RearView Monitor (if so equipped)
When the shift lever is shifted into the R (Reverse)
position, the monitor display shows the
view to the rear of the vehicle.
WARNINGFailure to follow the warnings and
instructions
for proper use of the RearView
Monitor could result in serious injury or
death.
The Rear ...
