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Hazard Warning Switch: Inspection

  1. INSPECT HAZARD WARNING SWITCH ASSEMBLY 
    1. Measure the resistance according to value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester connection Switch operation Specified resistance
      1 - 4 ON Below 1 Ω
      1 - 4 OFF 10 kΩ or higher
      Fig 1: Identifying (H7) Hazard Warning Switch Connector Terminals
      G05236882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect illumination operation.
      1. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 9, then check that the illumination comes on.
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