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Home >> Lexus >> 2005 >> SC 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Driver Side Door Key And Transmitter Do Not Operate Power Window System >> Inspection Procedure

Inspection Procedure

  1. CHECK BASIC FUNCTION 
    1. Check that the door control transmitter and driver's door lock can control all the doors to lock and unlock normally.

      Result: 

      BASIC FUNCTION RESULT

      Result Proceed to
      Both of them work normally A
      Transmitter does not work normally B
      Driver's door lock does not work normally C
    1. B: Go to WIRELESS DOOR LOCK CONTROL SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    2. C: Go to POWER DOOR LOCK CONTROL SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    3. A: Go to next step. 
  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the manual UP/DOWN function using the master switch and regulator switch can operate all the power windows.

      OK: Manual UP/DOWN function operates normally. 

    1. NG: OTHER PROBLEM (See  PROBLEM SYMPTOMS TABLE   ) 
    2. OK: Go to next step. 
  3. CHECK REMOTE UP/DOWN FUNCTION 
    1. Check that the remote UP/DOWN function using the master switch can operate the power windows.

      OK: Remote UP/DOWN function operates normally. 

    1. NG: OTHER PROBLEM (See  REMOTE UP/DOWN FUNCTION DOES NOT OPERATE   ) 
    2. OK: REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH 
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