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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Defogger (Circuit Diagnosis)) >> Circuit Diagnosis >> Rear Window Defogger Relay >> With Auto A/C >> Diagnosis Procedure >> Rear Window Defogger Relay-1

Rear Window Defogger Relay-1

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUSE 
    1. Turn ignition switch OFF.
    2. Check that the following fuse is not blown.

      Component

      Capacity

      Fuse No.

      IPDM E/R

      20A

      53

    Is the inspection result normal-

    YES

    GO TO 2 .

    NO

    Replace the blown fuse after repairing the affected circuit.

  2. CHECK IPDM E/R OUTPUT SIGNAL 
    1. Turn ignition switch ON.
    2. Check voltage between IPDM E/R harness connector and ground.

    (+)

    (-)

    Condition

    Voltage (V)

    (Approx.)

    IPDM E/R

    Connector

    Terminal

    E124

    57

    Ground

    Rear window defogger switch

    ON

    Battery voltage

    OFF

    0

    Is the inspection result normal-

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .

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