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Security Horn Assembly: Inspection

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT SECURITY HORN ASSEMBLY 
    1. Check operation of the horn.

      Standard 

      MEASUREMENT AND SPECIFIED CONDITION REFERENCE CHART

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 1 Horn sounds
      Battery negative (-) → Horn body

      If the result is not as specified, replace the security horn assembly. 

      Fig 1: Checking Operation Of Horn
      G04979858Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002