Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK WIRE HARNESS (ECU - POWER WINDOW REGULATOR MOTOR ASSY LH)
1. Disconnect the D19 ECU and P15 power window motor LH connectors.
2. Check the continuity between the connector terminals of the D19 and P15.
  
  Fig 1: Limit Switch Continuity Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Limit switch
  
  Fig 2: Pulse Switch Continuity Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Pulse sensor
  
  Fig 3: Identifying Multiplex Network Door ECU And Power Window Regulator Motor Assembly Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
2. OK: Go to next step.
REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH