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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp And Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> 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.