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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnosis >> DTC B1231/31 Jam Protection Limit Switch Circuit On Driver Door & DTC B1232/32 Jam Protection Pulse Switch Circuit On Driver Door >> Inspection Procedure

Inspection Procedure

  1. CHECK WIRE HARNESS 
    1. Disconnect the connectors of the D19 driver door ECU and power window regulator motor assembly LH.
    2. Check the continuity between the door ECU and motor assembly LH.

      Standard: 

      STANDARD CHART

      Item Tester connection (driver door ECU <=> regulator motor) Specified condition
      Limit switch D19-10 (LMT) <=> 2(LMT) D19-11 (SGND) <=> 6 (E) Continuity
      Pulse sensor D19-21 (PLS) <=> 5 (PLS) D19-11 (SGND) <=> 6 (E) Continuity
      Fig 1: Disconnecting Connectors Of D19 Driver Door ECU & Power Window Regulator Motor Assembly LH
      G03386846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH 
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