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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 P0746: Pressure Control Solenoid A >> 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 causes
P0746 PC SOLENOID A
(Pressure Control Solenoid A Performance/Stuck Off)		 The detecting condition A or detection condition B is detected twice or more (1 second or more later after detection of the first) in the same DC under the following diagnosis conditions:
  • Diagnosis conditions
    • Engine speed: More than 600 RPM
    • Primary pulley speed: More than 450 RPM
    • Idle is not being detected.
    • Acceleration/deceleration speed: - 0.49 m/s2 (- 0.05 G) or more
    • The primary pulley speed experienced 300 RPM or more and the secondary pulley speed experienced 250 RPM or more at least once.
    • Secondary pulley speed: More than 150 RPM
    • TCM power supply voltage: More than 11 V
  • Detection condition A
    • Status with the shifting ratio of the primary pulley speed/secondary pulley ratio exceeding 2.825 is 0.2 sec or more continuously.
  • Detection condition B
    • Status with the shifting ratio of the primary pulley speed/secondary pulley ratio exceeding 3.625 is 0.1 sec or more continuously.
  • Line pressure solenoid valve
  • Control valve assembly
NOTE:

DC stands for "DRIVING CYCLE" and indicates a series of driving cycle of "Ignition switch OFF → ON → driving → OFF".

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