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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 539 (Defogger (Circuit Diagnosis)) >> Circuit Diagnosis >> Rear Window Defogger Relay >> Component Function Check

Component Function Check

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 REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT 
    1. Turn ignition switch ON.
    2. Check that an operation noise of rear window defogger relay (located in IPDM E/R) can be heard when turning the rear window defogger switch ON.

    Is the inspection result normal?

    YES

    Rear window defogger relay power supply circuit is OK.

    NO

    Refer to Diagnosis Procedure .