LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Shift (Electric Shift Control Module) >> DTC P272A-00: T/M Range Select Motor >> Component Inspection (Shift Actuator Relay)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection (Shift Actuator Relay)

  1. CHECK SHIFT ACTUATOR RELAY A 
    1. Disconnect the shift actuator relay A. Refer to Component Location .
    2. Apply 12 V direct current between shift actuator relay A terminals 3 and 4.
      CAUTION:
      • Never make the terminals short.
      • Connect the fuse between the terminals when applying the voltage.
    3. Check the continuity between shift actuator relay A terminals 1 and 2.

      Shift actuator relay A

      Condition

      Continuity

      Terminal

      1

      2

      Apply 12 V direct current between terminals 3 and 4.

      Existed

      Does not apply 12 V direct current between terminals 3 and 4.

      Not existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace the shift actuator relay A.