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Home >> Nissan-Datsun >> 2011 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0507 Through DTC P2A00 (For CALIFORNIA) >> DTC P2118: Throttle Control Motor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK GROUND CONNECTION
    1. Turn ignition switch OFF.
    2. Check ground connection E38. Refer to "CIRCUIT INSPECTION ".

      Is the inspection result normal? 

      YES: Go to 2.

      NO: Repair or replace ground connection.

  2. 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.
      CONTINUITY CHART

      Electric throttle control actuator ECM Continuity
      Connector Terminal Connector Terminal
      F29 5 F7 1 Not existed
      4 Existed
      6 1 Existed
      4 Not existed
    4. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES: Go to 3.

      NO: Repair or replace.

  3. CHECK THROTTLE CONTROL MOTOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: Go to 4.

    NO: Go to  5.

  4. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES: Go to 5.

    NO: Repair or replace harness or connectors.

  5. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

    Replace electric throttle control actuator. Refer to "EXPLODED VIEW ".

    INSPECTION END

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