Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW REGULATOR MOTOR ASSY LH
NOTE:
- Be sure not to apply the battery voltage to terminals 1, 3 and 6 of the power window regulator motor assy LH connector, because it might damage the pulse sensor and the limit switch.
- Be sure to reset the power window regulator motor assy (initial position setting of the limit switch) when the power window regulator motor assy LH is installed to the regulator.
1. When adding the battery voltage to each connector terminal, check that the motor operates smoothly.
  
  Fig 1: Checking Motor Operates Smoothly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard:

Fig 2: Battery Connection Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH

OK: Go to next step.
CHECK WIRE HARNESS
1. Disconnect the R15 power window regulator switch assy rear (LH side) and P9 power window regulator motor assy LH connectors.
  
  Fig 3: Disconnecting Power Window Regulator Switch Assy Rear (LH Side) & Power Window Regulator Motor Assy LH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the continuity between the disconnected connectors.
Standard:

Fig 4: Checking Continuity Between Disconnected Connectors Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR

OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR