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On-Vehicle Inspection

  1. INSPECT STOP LIGHT CONTROL (BRK-LP) RELAY 
    1. Remove the stop light control (BRK-LP) relay.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 1: Identifying Stop Light Control (BRK-LP) Relay
      GTY358092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance

      Tester Connection Condition Specified Condition
      3 - 4 Voltage is not applied between terminals 1 and 2 Below 1 Ω
      3 - 5 Voltage is not applied between terminals 1 and 2 10 kΩ or higher
      3 - 4 Voltage is applied between terminals 1 and 2 10 kΩ or higher
      3 - 5 Voltage is applied between terminals 1 and 2 Below 1 Ω

      If the value is not as specified, replace the stop light control (BRK-LP) relay.