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Home >> Toyota >> 2003 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Testing >> DTC B1231/31: Jam Protection Limit Switch Circuit On Driver Door, DTC B1232/32: Jam Protection Pulse Switch Circuit On Driver Door >> Inspection Procedure
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Inspection Procedure

  1. CHECK WIRE HARNESS 
    1. Disconnect the connectors of the power window regulator master switch assembly and power window regulator motor assembly LH.
    2. Check the continuity between the master switch and regulator motor.

      Standard: 

      Fig 1: Identifying Power Window Regulator Master Switch (Door ECU) & Regulator Motor (LH) Connector Terminals
      G02828516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Door ECU & Regulator Motor (LH) Continuity Condition Table
      G02828515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK : REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (DRIVER SIDE) 
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