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Downhill Assist Control Switch: Inspection: Inspection

WARNING: This page is about a different car, the 2012 Lexus GX 460. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COMBINATION SWITCH ASSEMBLY (DOWNHILL ASSIST CONTROL SWITCH) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Identifying Downhill Assist Control Switch Connector Terminals
      GTY286399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      9 (E) - 15 (+B2) Pressed Below 1 Ω
      Not pressed 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Combination Switch)

      If the result is not as specified, replace the combination switch assembly (downhill assist control switch).