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Home >> Toyota >> 2002 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Problem Symptoms Table >> DTC B1231/31, B1232/32: Jam Protection Limit Switch Circuit On Driver Door, 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.
      Fig 1: Reviewing Limit Switch & Pulse Sensor Information
      G01114132Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the continuity between the master switch assembly and motor assembly LH.

      Standard: 

      Fig 2: Identifying Power Window Regulator Master Switch Assembly
      G01114133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Replace Power Window Regulator Motor Assembly LH 
    2. NG: Repair Or Replace Harness And Connector 
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