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On-Vehicle Inspection

  1. CHECK STOP LIGHT CONTROL RELAY (BRK NO. 1, BRK NO. 2) 
    1. Remove the 2 stop light control relays from the engine room relay block.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 1: Identifying Relay
      G04975259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      RESISTANCE REFERENCE

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

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

    3. Install the 2 stop light control relays.
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