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Horn Relay: Inspection

  1. INSPECT FUSE (HORN) 
    1. Check the resistance of the HORN fuse.

      Standard: Below 1 Ω 

  2. INSPECT HORN RELAY 
    1. Remove the horn relay from the fusible link block.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 1: Inspecting Horn Relay
      G04093120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard 

      TESTER CONNECTION - SPECIFIED CONDITION TABLE

      Tester Connection Condition Specified Condition
      3 - 5 Always 10 kΩ or higher
      3 - 5 When battery voltage is applied to terminals 1 and 2 Below 1 Ω
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