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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Washer Fluid Level Switch Circuit >> Diagnosis Procedure

Diagnosis Procedure

Transmits the washer fluid level switch signal to the combination meter.

  1. CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect combination meter harness connector and washer fluid level switch harness connector.
    3. Check continuity between combination meter harness connector and washer fluid level switch harness connector.

      Combination meter

      Washer fluid level switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M76

      29

      E82

      1

      Yes

    4. Check continuity between combination meter harness connector and ground.

      Combination meter

      --

      Continuity

      Connector

      Terminal

      M76

      29

      Ground

      No

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace harness or connectors.

  2. CHECK WASHER FLUID LEVEL SWITCH GROUND CIRCUIT 

    Check continuity between washer fluid level switch harness connector and ground.

    Washer fluid level switch

    --

    Continuity

    Connector

    Terminal

    E82

    2

    Ground

    Yes

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Repair or replace harness or connectors.