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Home >> Infiniti >> 2007 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ35DE) - DTCS P1217 To P2A03 >> DTC P2138: App Sensor >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

This self-diagnosis has the one trip detection logic. 

NOTE: If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to "DTC P0643 SENSOR POWER SUPPLY ".
DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2138
2138		 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 connector

    (APP sensor 1 and 2 circuit is open or shorted.)

    (TP sensor circuit is shorted.)

  • Accelerator pedal position sensor

    (APP sensor 1 and 2)

  • Electric throttle control actuator

    (TP sensor 1 and 2)
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