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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2103: Throttle Control Motor Relay >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Disconnect IPDM E/R harness connector E119.
    4. Check the continuity between IPDM E/R harness connector and ECM harness connector.

      IPDM E/R

      ECM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E119

      47

      F79

      99

      Existed

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

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace error-detected parts.

  2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT 
    1. Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.

      IPDM E/R

      ECM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E119

      6

      F79

      111

      Existed

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

    Is the inspection result normal?

    YES

    Perform the trouble diagnosis for IPDM E/R power supply circuit.

    NO

    Repair or replace error-detected parts.