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Driver Side Power Window Auto Down Function does not Operate: Procedure

CHECK MANUAL UP / DOWN FUNCTION
1. Check that the manual UP/DOWN function of the master switch can operate the driver door power window.
  OK
  
  Manual UP/DOWN function operates normally.
OK → See step 3

NG → Go to next step
OTHER PROBLEM. Refer to Driver Side Power Window does not Operate with Power Window Master Switch
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY. Refer to REMOVAL