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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Wiper & Washer) >> Symptom Diagnosis >> Front Wiper Does Not Operate >> Diagnosis Procedure

Diagnosis Procedure

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.

The front wiper does not operate under any operation conditions.

  1. CHECK WIPER RELAY OPERATION 

    SYMBOL CONSULT

    1. Select "FRONT WIPER" in "Active Test" mode of "IPDM E/R".
    2. While operating the test item, check front wiper operation.

      LO

      : Front wiper LO operation

      HI

      : Front wiper HI operation

      Off

      : Stop the front wiper.

    Is front wiper operation normally?

    YES

    GO TO 4 .

    NO

    GO TO 2 .

  2. CHECK FRONT WIPER MOTOR FUSE 

    Check that the following IPDM E/R fuse is not blown:

    Component

    Location

    Fuse No.

    Capacity

    Front wiper motor

    IPDM E/R

    41

    30A

    Is the fuse blown?

    YES

    GO TO 3 .

    NO

    Replace the blown fuse after repairing the affected circuit.

  3. CHECK FRONT WIPER MOTOR GROUND CIRCUIT 

    Check front wiper motor ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 4 .

    NO

    Repair or replace harness.

  4. CHECK FRONT WIPER REQUEST SIGNAL INPUT 

    SYMBOL CONSULT

    1. Select "FR WIP REQ" in "Data Monitor" mode of "IPDM E/R".
    2. Switch the front wiper switch to HI and LO.
    3. While operating the front wiper switch, check the status of "FR WIP REQ".

      Monitor item

      Condition

      Monitor status

      FR WIP REQ

      Front wiper switch

      HI

      Hi

      LO

      Low

      INT

      1Low

      OFF

      Stop

    Is the inspection result normal?

    YES

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

    NO

    GO TO 5 .

  5. CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH) 

    Perform the inspection of the combination switch (wiper and washer switch). Refer to Symptom Table .

    Is combination switch normal?

    YES

    Replace BCM. Refer to Removal and Installation .

    NO

    Repair or replace the applicable parts.