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Home › Lexus › 2005 › ES 330 › Repair and Diagnosis › Body & Frame › Windows › Power Window Control System - Diagnostics › Power Window Regulator Switch Circuit (Rear LH Door) › Inspection Procedure

Inspection Procedure

  1. CHECK FUSE 
    1. Check the PWR NO. 4 fuse.

    NG: REPLACE FUSE 

    OK: Go To Next Step. 

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSY REAR (POWER SOURCE) 
    1. Disconnect the R15 power window regulator switch assy rear (LH side) connector.
    2. Check the voltage between terminal BDR (R15-12) connector of regulator switch and the body ground.

    Standard: 10 - 14 V 

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    Fig 1: Identifying Power Window Regulator Switch Assy Rear (Power Source)
    G02938661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go To Next Step. 

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSY REAR (GROUND) 
    1. Disconnect the R15 power window regulator switch assy rear (LH side) connector.
    2. Check the continuity between terminal GND (R15-7) connector of regulator switch and the body ground.

    Standard: Continuity 

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    Fig 2: Identifying Power Window Regulator Switch Assy Rear (Ground)
    G02938662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to FLOWCHART IN  POWER WINDOW REGULATOR MOTOR ASSY LH CIRCUIT (REAR LH DOOR)  

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