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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 422 (Power Window Control System - Diagnostics) >> Manual Up/Down Function Via Back Door Lock Key Cylinder Does Not Operate >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check Back Door Power Window Operation 
    1. Check that the back door power window operates via the back door power window switch.
    1. OK: Go to Next Step 
    2. NG: Another Problem (See  MANUAL UP/DOWN FUNCTION DOES NOT OPERATE  ) 
  2. Inspect Tail Gate Control Switch Assy 
    1. Disconnect the switch connector.
    2. Insert the key to the switch.
    3. Check the continuity between the terminals of the switch connector when turning the key.
      Fig 1: Identifying Tail Gate Control Switch Terminals
      G02815536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      Fig 2: Tail Gate Control Switch Specifications Table
      G02815535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Repair Or Replace Harness And Connector (Back Door ECU >--< Switch) 
    2. NG: Replace Tail Gate Control Switch Assy