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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Wiper & Washer (Except Hybrid)) >> DTC/Circuit Diagnosis >> Front Wiper Motor Lo Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE

    1. Turn ignition switch OFF.
    2. Disconnect front wiper motor connector.
    3. Turn ignition switch ON.
    4. Select FRONT WIPER of IPDM E/R active test item.
    5. With operating the test item, check voltage between front wiper motor harness connector and ground.
    (+) (-) Condition Voltage
    (Approx.)
    Front wiper motor
    Connector Terminal
    E23 1 Ground FRONT WIPER Lo Battery voltage
    Off 0 V

    Is the inspection result normal?

    YES 

    Replace front wiper motor. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 2  .

  2. CHECK FRONT WIPER MOTOR (LO) CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    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 11 E23 1 Yes
    4. Check continuity between IPDM E/R harness connector and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E121 11 No

    Is the inspection result normal?

    YES 

    Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

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