Nissan Sentra B18 (2020-2025) Service Manual: P0747-00 Pressure Control Solenoid a
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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P0747 |
00 |
PRESSURE CONTROL SOLENOID A (Pressure Control Solenoid "A" Stuck On) |
Diagnosis condition |
Diagnosis is permitted when all of the following conditions are satisfied: a) Ignition voltage ≥ 9.01 V b) Battery voltage ≥ 9.01 V c) CVT fluid temperature ≥ -20 °C (-4 °F) d) Lock-up pattern: Lock-up ON or Lock-up OFF |
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Signal |
— |
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Threshold |
When the following condition "a" is satisfied for the specified period [5sec] continuously. Keep the same conditions for specified period again after interval. a) Line pressure sensor pressure > Line instruction pressure + Variation [Interval]
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Diagnosis delay time |
5 seconds × 2 count |
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POSSIBLE CAUSE
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Harness or connector
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Line pressure solenoid valve
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Control valve
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TCM
FAIL-SAFE
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Lock-up is not performed
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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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Drive the Nissan Sentra vehicle and maintain the following conditions for 20 seconds or more.
Shift position
: "D" position
CVT fluid temperature
: 25 °C (77 °F) - 120 °C (248 °F)
Nissan Sentra Vehicle speed
: 40 km/h (25 MPH) or more
CAUTION:
Be careful of the driving speed.
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Stop the Nissan Sentra vehicle.
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Repeat step 2 to 3.
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Check the DTC.
Is "P0747-00" 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 LINE PRESSURE SOLENOID CIRCUIT
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Ignition switch OFF.
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Disconnect TCM harness connector.
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Disconnect CVT unit harness connector.
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Check resistance between TCM harness connector terminal and CVT unit harness connector terminal.
TCM
CVT unit
Resistance
Connector
Terminal
Connector
Terminal
F23
30
F46
1
1 Ω or less
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair harness or connector.
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REPLACE CONTROL VALVE
Replace control valve. Refer to Removal and Installation.
>>WORK END
Other materials:
C1076-55 Control Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen item
(Trouble diagnosis
content)
DTC detection condition
...
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Exploded View
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Front grille
2.
Emblem
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