LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Relay >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. INSPECT DEFOGGER RELAY (Marking: DEFOG) 
    1. Measure the resistance of the DEFOG relay.
      Fig 1: Identifying Defogger Relay
      G04952245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      STANDARD RESISTANCE

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

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