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On-Vehicle Inspection [08/2017 - ]: Procedure

  1. CHECK STOP LIGHT CONTROL RELAY (BRK NO. 1) 
    1. Remove the stop light control relay from the engine room relay block.
    2. Measure the resistance according to the value(s) in the table below.
      GTY540785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      FOR BRK NO. 1

      Tester Connection Condition Specified Condition
      3 - 4 Battery voltage applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage not applied to terminals 1 and 2 Below 1 Ω
      3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage applied to terminals 1 and 2 Below 1 Ω

      If the result is not as specified, replace the relay.

    3. Install the stop light control relay.