On-Vehicle Inspection

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
1. Inspect the operation of the PTC inside the power window regulator motor assembly.
  NOTE: This check must be performed with the power window regulator and door glass installed on the vehicle.
  1. Connect an electrical tester DC 400 A probe to the wire harness of terminal 2
    NOTE: Match the arrow mark of the probe with the direction of the current flow.
  2. Fully close the door glass by pulling up the multiplex network master switch assembly Wait for approximately 60 seconds
  3. Continue to pull up the multiplex network master switch assembly and measure how long it takes for the electrical current to change from a range of 16 to 28 A to approximately 1 A (current shut-off inspection)
    Standard: 4 to 90 seconds
  4. Wait for 60 seconds after the previous step, and then push down press the multiplex network master switch assembly
    
    Fig 1: Identifying Front Power Window Regulator Motor Assembly LH Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    OK: The driver side window goes down.
    
    If the result is not as specified, replace the power window regulator motor assembly.
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
1. Inspect the operation of the PTC inside the power window regulator motor assembly
  NOTE: This check must be performed with the power window regulator and door glass installed on the vehicle.
  1. Connect an electrical tester DC 400 A probe to the wire harness of terminal 2.
    NOTE: Match the arrow mark of the probe with the direction of the current flow.
  2. Fully close the door glass by pulling up the multiplex network switch assembly (for front passenger side). Wait for approximately 60 seconds
  3. Continue to pull up the multiplex network switch assembly (for front passenger side) and measure how long it takes for the electrical current to change from a range of 16 to 28 A to approximately 1 A (current shut-off inspection).
    Standard: 4 to 90 seconds
  4. Wait for 60 seconds after the previous step, and then push down the multiplex network switch assembly (for front passenger side).
    
    Fig 2: Identifying Front Power Window Regulator Motor Assembly RH Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    OK: The front passenger side window goes down.
    
    If the result is not as specified, replace the power window regulator motor assembly