DTC DETECTION LOGIC

NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2122
Accelerator pedal position sensor 1 circuit low input
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
Accelerator pedal position sensor 1 circuit high input
An excessively high voltage from the APP sensor 1 is sent to ECM.

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE