LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 555 (Wiper & Washer System (Circuit Diagnosis)) >> Circuit Diagnosis >> Front Wiper Motor Lo Circuit >> 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.
  1. CHECK FRONT WIPER MOTOR FUSE 
    1. Turn the ignition switch OFF.
    2. Check that the following fuse is not blown.

    Component

    Capacity

    Fuse No.

    Location

    Front wiper motor

    30 A

    39

    IPDM E/R

    Is the fuse link blown?

    YES

    Replace the blown fuse link after repairing the affected circuit.

    NO

    GO TO 2

  2. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE 
    1. Turn the ignition switch ON.
    2. Select FR WIPER of BCM (WIPER) active test item.
    3. While performing the active test, check voltage between IPDM E/R harness connector and ground.

    Terminals

    FRONT WIPER

    Voltage

    (Approx.)

    (+)

    (-)

    IPDM E/R

    Ground

    Connector

    Terminal

    E121

    32

    LO

    Battery voltage

    OFF

    0 V

    Is the inspection result normal?

    YES

    GO TO 3

    NO

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

  3. CHECK FRONT WIPER MOTOR (LO) OPEN CIRCUIT 
    1. Turn the ignition switch OFF.
    2. Disconnect IPDM E/R and front wiper motor.
    3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

    IPDM E/R

    Front wiper motor

    Continuity

    Connector

    Terminal

    Connector

    Terminal

    E121

    32

    E23

    1

    Yes

    Is the inspection result normal?

    YES

    Replace front wiper motor. Refer to Removal and Installation .

    NO

    Repair or replace harness.