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Home >> Lexus >> 2002 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Air Conditioning System) >> Air Conditioning System >> Heater Main Relay >> Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Heater Main Relay: Inspection

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE HEATER MAIN RELAY 

    Remove the heater main relay.

    Fig 1: Removing Heater Main Relay
    G01352517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT HEATER MAIN RELAY CONTINUITY 
    Fig 2: Continuity Condition Chart
    G01352518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the relay.

  3. INSTALL HEATER MAIN RELAY 
    Fig 3: Inspecting Heater Main Relay Terminals
    G01352519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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