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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnosis >> DTC B1233, B1234: Jam Protection Limit/Pulse Switch Circuit On Passenger Door >> Inspection Procedure

Inspection Procedure

  1. CHECK WIRE HARNESS (ECU - POWER WINDOW REGULATOR MOTOR RH) 
    1. Disconnect the P11 ECU and P16 power window motor RH connectors.
    2. Check the continuity between the connector terminals of P11 and P16.
      Fig 1: Limit Switch Continuity Table
      G01449867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      Limit switch 

      Fig 2: Pulse Sensor Continuity Table
      G01449868Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Pulse sensor 

      Fig 3: Identifying Multiplex Network Door ECU & Power Window Regulator Motor Assy. Wire Harness Connector Terminals
      G01449869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: Go to next step. 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH