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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 P18A8-00: P Range Switch >> Component Inspection (P Position Switch)
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Component Inspection (P Position Switch)

  1. CHECK P POSITION SWITCH 
    1. Disconnect the electric shift selector connectors.
    2. Check the continuity between electric shift selector connector terminals.

      Electric shift selector

      Condition

      Continuity

      P position switch

      Terminal

      No. 1

      13

      24

      When P position switch is pressed

      Existed

      When P position switch is released

      Not existed

      No. 2

      6

      1

      When P position switch is pressed

      Not existed

      When P position switch is released

      Existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace the electric shift selector due to malfunction in the P position switch. Refer to Removal and Installation .