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 Auto Stop Signal 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 (AUTO STOP) OUTPUT VOLTAGE 
    1. Turn the ignition switch ON.
    2. Check voltage between IPDM E/R harness connector and ground.

    Terminals

    FRONT WIPER

    Voltage

    (Approx.)

    (+)

    (-)

    IPDM E/R

    Ground

    Connector

    Terminal

    E122

    43

    Except stop position

    Battery voltage

    Stop position

    0 V

    Is the inspection result normal?

    YES

    Check for intermittent failure.

    NO

    GO TO 2

  2. CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT 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 ground.

    IPDM E/R

    Ground

    Continuity

    Connector

    Terminal

    E122

    43

    No

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY 

    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

    E122

    43

    E23

    5

    Yes

    Is the inspection result normal?

    YES

    Replace front wiper motor. Refer to Removal and Installation .

    NO

    Repair or replace harness.