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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.
  1. CHECK FUSE 
    1. Check the PWR NO. 3 fuse.

    NG: REPLACE FUSE 

    OK: Go to next step. 

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSY REAR (POWER SOURCE) 
    Fig 1: Checking Power Window Regulator Switch Assy Rear (Power Source)
    G01437057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R16 power window regulator switch assy rear (RH side) connector.
    2. Check the voltage between terminal BDR (R16-12) connector of regulator switch and the body ground.

    Standard: 10 - 14 V 

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    OK: Go to next step. 

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSY REAR (GROUND) 
    Fig 2: Checking Power Window Regulator Switch Assy Rear (Ground)
    G01437058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R16 power window regulator switch assy rear (RH side) connector.
    2. Check the continuity between terminal GND (R16-7) connector of regulator switch and the body ground.

    Standard: Continuity 

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    OK: Go to FLOW CHART (POWER WINDOW REGULATOR MOTOR CIRCUIT) (See  POWER WINDOW REGULATOR SWITCH CIRCUIT (REAR RH DOOR)   )