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On-Vehicle Inspection [04/2013 - 08/2015]: Procedure

WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FAN RELAY 
    1. Measure the resistance according to the value(s) in the table below.
      GTY463410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

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

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

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