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Transmission Control Switch: Inspection

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT TRANSMISSION CONTROL SWITCH 
    1. Disconnect the transmission control switch connector of the shift lock control unit assembly.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Shift Position Specified Condition
      3 (IG) - 7 (S) M, "+" and "-" Below 1 Ω
      3 (IG) - 7 (S) Except M, "+" and "-" 10 kΩ or higher
      2 (SFTU) - 5 (E) Press continuously "+" (Up shift) Below 1 Ω
      2 (SFTU) - 5 (E) M 10 kΩ or higher
      1 (SFTD) - 5 (E) Press continuously "-" (Down shift) Below 1 Ω
      1 (SFTD) - 5 (E) M 10 kΩ or higher
      Fig 1: Identifying Transmission Control Switch Connector Terminal
      G05305178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the resistance value is not as specified, replace the transmission control switch

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