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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (3 Of 3)) >> DTC/Circuit Diagnosis >> DTC P2122, P2123: App Sensor >> 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.
NOTE:

If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to  DTC LOGIC  . 

DTC No. CONSULT screen terms
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P2122 APP SEN 1/CIRC
(Throttle/Pedal position sensor/switch "D" circuit low)		 An excessively low voltage from the APP sensor 1 is sent to ECM.
  • Harness or connectors

    (APP sensor 1 circuit is open or shorted.)

  • Accelerator pedal position sensor

    (APP sensor 1)
P2123 APP SEN 1/CIRC
(Throttle/Pedal position sensor/switch "D" circuit high)		 An excessively high voltage from the APP sensor 1 is sent to ECM.
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