DTC DETECTION LOGIC

NOTE:
If DTC P2138 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
P2138
Accelerator pedal position sensor circuit range/performance
Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2.
  • Harness or connectors
    (APP sensor 2 circuit is open or shorted.)
    [CKP sensor (POS) circuit is shorted.]
    [CMP sensor (PHASE) (bank 2) circuit is shorted.]
    (Power steering pressure sensor circuit is shorted.)
    (Manifold absolute pressure sensor circuit is shorted.)
    (Refrigerant pressure sensor circuit is shorted.)
  • Accelerator pedal position sensor (APP sensor 2)
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Power steering pressure sensor
  • Manifold absolute pressure sensor
  • Refrigerant pressure sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE