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Home >> Infiniti >> 2020 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (4 Of 6) >> Component Parts/Circuit Diagnosis >> ASCD Steering Switch >> Component Inspection >> VR30DDTT engine

VR30DDTT engine

  1. CHECK ASCD STEERING SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect combination switch (spiral cable) harness connector M301 (Without paddle sifter) or M302 (With paddle sifter).
    3. Check resistance between combination switch harness connector terminals under the following conditions.

      Combination switch

      Condition

      Resistance (Ohm)

      Connector

      Terminals

      M301* 1

      M302* 2

      13 and 16* 1

      18 and 19* 2

      MAIN switch: Pressed

      Approx. 0

      CANCEL switch: Pressed

      Approx. 250

      SET/COAST switch: Pressed

      Approx. 660

      RESUME/ACCELERATE switch: Pressed

      Approx. 1, 480

      All ASCD steering switches: Released

      Approx. 4, 000

      *1: Without paddle sifter

      *2: With paddle sifter

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace ASCD steering switch. Refer to STEERING WHEEL : Exploded View (Vehicle speed sensitive P/S models) or, refer to STEERING WHEEL : Removal & Installation (Direct adaptive steering models).