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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Transmission (Re0F10E) (DTC/Circuit Diagnosis) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC P0776: Pressure Control Solenoid B >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT screen terms
(Trouble diagnosis content)		 DTC detection condition Possible cause
P0776 PC SOLENOID B
(Pressure Control Solenoid "B" Performance/Stuck Off)		 When any of 1 or 2 is satisfied and this state is maintained for 10 seconds:
  1. When all of the following conditions are satisfied:
    • DTC other than the applicable DTC is not detected.
    • Engine speed: More than 625 RPM
    • Selector lever: Other than P/N position
    • CVT fluid temperature: More than -20°C (-4°F)
    • TCM power supply: More than 11 V
    • The difference between instruction pressure of secondary pressure and 10-msec-ago instruction secondary pressure is 0 MPa or more
    • Instruction pressure of secondary pressure: 0 MPa or more
    • Instruction pressure of secondary pressure - secondary pressure: More than 1.2 MPa
    • When all of the following conditions are satisfied and this state is maintained for 1.52 seconds:
      • DTC other than the applicable DTC is not detected.
      • CVT fluid temperature: More than -20°C (-4°F)
      • Selector lever: Other than P/N position
      • Instruction pressure of secondary pressure - secondary pressure: 0.25 MPa or more
  2. When all of the following conditions are satisfied:
    • DTC other than the applicable DTC is not detected.
    • CVT fluid temperature: More than -20°C (-4°F)
    • Selector lever: Other than P/N position
    • TCM power supply: More than 11 V
    • When all of the following conditions are satisfied and this state is maintained for 5.5 seconds:
      • DTC other than the applicable DTC is not detected.
      • CVT fluid temperature: More than -20°C (-4°F)
      • Selector lever: Other than P/N position
      • Secondary pressure - instruction pressure of secondary pressure: 1.2 MPa or more
    • The difference between instruction pressure of secondary pressure and 10-msec-ago instruction secondary pressure is 0 MPa or more
    • Secondary pressure - instruction pressure of secondary pressure: More than 1.2 MPa
 Secondary pressure solenoid valve
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