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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P2127, P2128: App Sensor >> Component Inspection >> Accelerator Pedal Position Sensor

Accelerator Pedal Position Sensor

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reconnect all harness connectors disconnected.
  2. Turn ignition switch ON.
  3. Check voltage between ECM terminals 106 (APP sensor 1 signal), 98 (APP sensor 2 signal) and ground under the following conditions.
    Terminal Accelerator pedal Voltage
    106
    (Accelerator pedal position sensor 1)
    Fully released 0.5 - 1.0 V
    Fully depressed 4.2 - 4.8 V
    98
    (Accelerator pedal position sensor 2)
    Fully released 0.25 - 0.5 V
    Fully depressed 2.0 - 2.5 V
    Fig 1: Checking Voltage Between ECM Terminals 106, 98 And Ground
    G08690782Courtesy of NISSAN NORTH AMERICA, INC.
  4. If NG, replace accelerator pedal assembly, refer to UNIT REMOVAL AND INSTALLATION , and go to next step.
  5. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  6. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  7. Perform "IDLE AIR VOLUME LEARNING ".