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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 502 (Engine Control System (DTC/Circuit Diagnosis) (1 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0122: TP Sensor >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THROTTLE POSITION SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Perform " Throttle Valve Closed Position Learning". Refer to Description .
    4. Turn ignition switch ON.
    5. Set selector lever to D position.
    6. Check the voltage between ECM harness connector terminals as per the following conditions.

      ECM

      Condition

      Voltage

      Connector

      +

      Connector

      -

      Terminal

      Terminal

      F77

      71

      F77

      75

      Accelerator pedal

      Fully released

      More than 0.36V

      Fully depressed

      Less than 4.75V

      72

      Fully released

      Less than 4.75V

      Fully depressed

      More than 0.36V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace electric throttle control actuator. Refer to Removal and Installation .