LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2012 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1550 To P2A03 >> DTC P2138 App: Sensor >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. CHECK ACCELERATOR PEDAL POSITION SENSOR
    1. Reconnect all harness connectors disconnected.
    2. Turn ignition switch ON.
    3. Check the voltage between ECM harness connector terminals under the following conditions.
      ECM Condition Voltage (V)
      + -
      Connector Terminal Connector Terminal
      E16 97 (APP sensor 1 signal) E16 100 (Sensor ground) Accelerator pedal Fully released 0.5 - 1.0
      Fully depressed 4.2 - 4.8
      98 (APP sensor 2 signal) 116 (Sensor ground) Fully released 0.25 - 0.50
      Fully depressed 2.0 - 2.5

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace accelerator pedal assembly. Refer to "EXPLODED VIEW ".