TSB EL001-00: Windows - Power Window Diagnosis Procedure

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Bulletin Number: EL001-00 Group: ELECTRICAL Date: February 4, 2000 Title: POWER WINDOW DIAGNOSIS PROCEDURE Models: '99 4Runner Introduction: Additional procedures have been developed to complement the BODY ELECTRICAL - Power Window Control System section of the 1999 4Runner Repair Manual, Vol.2 (RM663U2). The Troubleshooting and Jam Protection Adjustment procedures detailed in the following pages should be used in conjunction with the Inspection Procedures starting on pages BE-59 through BE-64 of the Repair Manual (RM663U2). Applicable Vehicles: 1999 4Runner Warranty Information Troubleshooting Procedures: Jam Protection Adjustment Procedures: HINT: When performing the operation described below, it is necessary to reset the power window (Initial setting of limit switch). - When the window regulator is separated from the power window motor . - When the window regulator is operated with the door glass not installed. 1. HOW TO RESET DRIVER AND PASSENGER WINDOW MOTOR a. Remove the power window regulator assembly from the vehicle. b. Mark the position of the regulator where it contacts the motor gear. c. Remove the motor from the regulator assembly. d. Connect the power window motor connector to the vehicle side wire harness. e. Using the manual-up switch rotate the power window motor towards the up direction more than 6 turns and less than 10 turns. f. Disconnect the motor from the harness. g. Reposition the motor to the regulator aligning the motor to the reference mark you placed on the regulator in step b. NOTE: Do not rotate the motor with the switch until the completion of the window glass installation. 2. CHECK POWER WINDOW FUNCTION Confirm the operation of the window function by cycling the window AUTO-UP and AUTO-DOWN several times.