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Downhill Assist Control Switch: Inspection: Inspection

  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).