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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 556 (Charging System (DTC/Circuit Diagnosis)) >> Circuit Diagnosis >> L Terminal Circuit (Short) >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

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.

The terminal "2" (L) circuit controls the charge warning lamp. The charge warning lamp illuminates when the ignition switch is set to ON or START. When the generator is providing sufficient voltage with the engine running, the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a malfunction is indicated.

  1. CHECK "L" TERMINAL CIRCUIT (SHORT) 
    1. Turn ignition switch OFF.
    2. Disconnect generator connector.
    3. Turn ignition switch ON.

    Does charge warning lamp illuminate?

    YES

    GO TO 2.

    NO

    Refer to Work Flow (With DSS-5000P NI) or Work Flow (Without DSS-5000P NI) .

  2. CHECK HARNESS CONTINUITY (SHORT CIRCUIT) 
    1. Turn ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Disconnect combination meter connector.
    4. Check continuity between the combination meter harness connector and ground.

      Combination meter

      Ground

      Continuity

      Connector

      Terminal

      M23

      30

      No

    Is the inspection result normal?

    YES

    Replace the combination meter. Refer to Removal and Installation .

    NO

    Repair or replace the harness or connectors.