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HOMESERVICE MANUALSNISSAN-DATSUN2013JUKE SL, 4WDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSMISSIONBASIC INSPECTIONLINE PRESSURE TESTINSPECTION AND JUDGMENTJUDGMENT
2013 Nissan-Datsun Juke SL, 4WD

Inspection and Judgment: Judgment

2013 Nissan-Datsun Juke SL, 4WDSECTION Judgment
Judgment Possible cause
Idle speed Low for all positions ("P", "R", "N", "D") Possible causes include malfunctions in the pressure supply system and low oil pump output.
For example
  • Oil pump wear
  • Pressure regulator valve or plug sticking or spring fatigue
  • Oil strainer → oil pump → pressure regulator valve passage oil leak
  • Engine idle speed too low
Only low for a specific position Possible causes include an oil pressure leak in a passage or device related to the position after the pressure is distributed by the manual valve.
High Possible causes include a sensor malfunction or malfunction in the line pressure adjustment function.
For example
  • Accelerator pedal position signal malfunction
  • CVT fluid temperature sensor malfunction
  • Line pressure solenoid malfunction (sticking in OFF state, filter clog, cut line)
  • Pressure regulator valve or plug sticking
Stall speed Line pressure does not rise higher than the line pressure for idle. Possible causes include a sensor malfunction or malfunction in the pressure adjustment function.
For example
  • Accelerator pedal position signal malfunction
  • TCM malfunction
  • Line pressure solenoid malfunction (shorting, sticking in ON state)
  • Pressure regulator valve or plug sticking
The pressure rises, but does not enter the standard position. Possible causes include malfunctions in the pressure supply system and malfunction in the pressure adjustment function.
For example
  • Accelerator pedal position signal malfunction
  • Line pressure solenoid malfunction (sticking, filter clog)
  • Pressure regulator valve or plug sticking
Only low for a specific position Possible causes include an oil pressure leak in a passage or device related to the position after the pressure is distributed by the manual valve.
RENDER: 1.0x

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