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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Power Window Control System - Diagnosis >> DTC B1231 Jam Protection Limit Switch Circuit On Driver Door, DTC B1232 Jam Protection Pulse Switch Circuit On Driver Door >> Circuit Description

Circuit Description

This DTCs are output when the power window motor malfunctions.

DTC B1231 AND DTC B1232 TROUBLE CONDITION

DTC No. DTC detecting condition Trouble area
B1231 Open in limit switch of power window motor LH
  • Power window regulator motor assy LH
  • Wire harness
B1232 Open or short in pulse sensor of power window motor LH
  • Power window regulator motor assy LH
  • Wire harness
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