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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B220B-23: Trip Reset SW >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK TRIP RESET SWITCH SIGNAL 
    1. Ignition switch ON.
    2. Check voltage between the following terminals of the trip reset switch harness connector.

      Trip reset switch

      Condition

      Voltage

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      M3

      2

      3

      When trip reset switch is pressed

      0 V

      Other than the above

      5 V

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    GO TO 2.

  2. CHECK TRIP RESET SWITCH HARNESS 
    1. Ignition switch OFF.
    2. Disconnect combination meter harness connector and trip reset switch harness connector.
    3. Check continuity between combination meter harness connector and trip reset switch harness connector.

      Combination meter

      Trip reset switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M77

      43

      M3

      3

      Yes

      44

      2

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

      Combination meter

      --

      Continuity

      Connector

      Terminal

      M77

      43

      Ground

      No

      44

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Repair or replace harness or connector.