Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2019 >> LX 570 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostic Codes & Symptom Tests >> Power Window Control System >> All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter [09/2015 - ] >> Procedure

All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter [09/2015 - ]: Procedure

  1. CHECK BASIC FUNCTION (WIRELESS DOOR LOCK CONTROL SYSTEM AND POWER DOOR LOCK CONTROL SYSTEM) 
    1. Check that all the doors can be locked and unlocked with the wireless transmitter and the driver side door key cylinder (key linked switch).
      RESULT

      Result Proceed to
      All doors can be locked and unlocked with transmitter and driver side door key cylinder A
      All doors cannot be locked and unlocked with transmitter B
      All doors cannot be locked and unlocked with driver side door key cylinder C

    Result: 

    B 

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM 

    Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result: 

    C 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result: 

    A 

    See step  2

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that all the power windows move when the manual up/down function of the master switch and regulator switch is operated. Refer to OPERATION CHECK [09/2015 - ] .

      OK

      All power windows move.

    Result: 

    NG 

    OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE) 

    Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result: 

    OK 

    See step  3

  3. CHECK REMOTE UP/DOWN FUNCTION 
    1. Check that all the power windows move when the remote up/down function of the master switch is operated. Refer to OPERATION CHECK [09/2015 - ] .

      OK

      All power windows move.

    Result: 

    OK 

    REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) Removal [09/2015 - ]

    Result: 

    NG 

    OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE) 

    Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )