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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2118: Throttle Control Motor >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
    1. Disconnect electric throttle control actuator harness connector.
    2. Disconnect ECM harness connector.
    3. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.

      Electric throttle control actuator

      ECM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      F50

      5

      F79

      107

      Not existed

      108

      Existed

      6

      107

      Existed

      108

      Not existed

    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace malfunctioning part.

  2. CHECK THROTTLE CONTROL MOTOR 

    Refer to Component Inspection (Electric Throttle Control Motor) .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 3.

  3. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 

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

    INSPECTION END