LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> RX 330 FWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Auto Up/Down Function Does Not Operate At Rear RH >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK POWER WINDOW OPERATION (REAR RH) 
    1. Check that the power window manual UP/DOWN function operates normally.
    1. NG: OTHER PROBLEM (See  MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR RH   ) 
    2. OK: Go to next step. 
  2. CHECK LAMP OF POWER WINDOW REGULATOR SWITCH (REAR RH) 
    1. Turn the ignition switch ON.
    2. Operate the power window regulator switch.
      Fig 1: Operating Power Window Regulator Switch
      G03009660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the blinking pattern of the lamp as shown in Fig 2 .
      1. If pattern (1) is displayed, proceed to A.
      2. If pattern (2) or (3) is displayed, proceed to B.
      3. If the normal pattern is displayed, proceed to C.
        Fig 2: Blinking Pattern Of Auto Lamp
        G03009661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. B: Go to step   4 . 
    2. C: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH) 
    3. A: GO TO NEXT STEP. 
  3. RESET POWER WINDOW REGULATOR MOTOR (REAR RH) (Refer to pre-check, step   16 ) 
    1. NG: Go to step 4. 
    2. OK: END 
  4. CHECK WIRE HARNESS (POWER WINDOW REGULATOR SWITCH ASSY - POWER WINDOW REGULATOR MOTOR ASSY AND BODY GROUND) 
    1. Disconnect the P21 regulator switch connector.
    2. Disconnect the P26 power window motor connector.
    3. Check the resistance between the wire harness side connectors.

      Standard: 

      Fig 3: Power Window Regulator Switch Assy - Power Window Regulator Motor Assy And Body Ground Table
      G03009662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Checking Wire Harness (Power Window Regulator Switch Assy - Power Window Regulator Motor Assy And Body Ground)
      G03009663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH (REAR RH)