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Inspection Procedure

  1. CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE) 
    1. Check that the power window manual UP/DOWN function operates normally.

      OK: Manual UP/DOWN function operates normally. 

    1. NG: OTHER PROBLEM (See  PROBLEM SYMPTOMS TABLE   ) 
    2. OK: Go to next step. 
  2. CHECK LAMP OF MULTIPLEX NETWORK MASTER SWITCH ASSY 
    1. Turn the ignition switch on (IG).
    2. Operate the driver side switch of the multiplex network master switch assy.
    3. Check the blinking pattern of the AUTO lamp as shown in the illustration.
      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 1: Identifying AUTO Lamp
        G02975685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 2: AUTO Lamp Blinking Pattern
        G02975686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. B: Go to step   4 . 
    2. C: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSY 
    3. A: Go to next step. 
  3. RESET POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) (Refer to the INITIALIZE) (See  INITIALIZATION   ) 
    1. Check if the power window operates normally after resetting.

      OK: Power window operates normally. 

    1. NG: Go to step 4 
    2. OK: END 
  4. CHECK WIRE HARNESS (MULTIPLEX NETWORK MASTER SWITCH ASSY - POWER WINDOW REGULATOR MOTOR ASSY (DRIVER SIDE) 
    1. Disconnect the I4 and I6 connectors.
    2. Check the resistance of the wire harness side connectors.

      Standard: 

      SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      I4-1 - I6-9 Always Below 1 Ω
      I4-2 - I6-4 Always Below 1 Ω
      I4-3 - I6-17 Always Below 1 Ω
      I4-4 - I6-3 Always Below 1 Ω
      I4-5 - I6-14 Always Below 1 Ω
      I4-6 - I6-2 Always Below 1 Ω
      I4-1 - Body ground Always 10 kΩ or higher
      I4-2 - Body ground Always 10 kΩ or higher
      I4-3 - Body ground Always 10 kΩ or higher
      I4-4 - Body ground Always 10 kΩ or higher
      I4-5 - Body ground Always 10 kΩ or higher
      I4-6 - Body ground Always 10 kΩ or higher
      Fig 3: Checking Wire Harness Multiplex Network Master Switch Assy - Power Window Regulator Motor Assy
      G02975687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY (DRIVER SIDE)