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Home >> Lexus >> 2005 >> LS 430 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision Safety System - Diagnostics >> DTC B2006: Left Side Motor Line Malfunction Lo >> Inspection Procedure
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Inspection Procedure

  1. CHECK WIRE HARNESS (FRONT SEAT OUTER BELT ASSY LH - SEAT BELT CONTROL ECU) 
    1. Turn the ignition switch to the LOCK position.
    2. Disconnect the negative (-) terminal cable from the battery.
    3. Disconnect the connectors from the seat belt control ECU and front seat outer belt assy LH.
    4. Measure the resistance according to the value(s) in FRONT SEAT OUTER BELT ASSY LH - SEAT BELT CONTROL ECU - RESISTANCE TABLE  .

    Standard: 

    FRONT SEAT OUTER BELT ASSY LH - SEAT BELT CONTROL ECU - RESISTANCE TABLE

    Tester Connection Condition Specified Condition
    S64-1 - Body ground Always 1 MΩ or Higher
    S64-2 - Body ground Always 1 MΩ or Higher
    S64-1 - S64-2 Always 1 MΩ or Higher
    Fig 1: Checking Wire Harness (Front Seat Outer Belt Assy LH - Seat Belt Control ECU)
    G03002657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE WIRE HARNESS 

    OK: Go to next step 

  2. CHECK FRONT SEAT OUTER BELT ASSY LH 
    1. Measure the resistance according to the value(s) in FRONT SEAT OUTER BELT ASSY LH - RESISTANCE TABLE  .
    NOTE: Be sure to inspect the correct connectors.

    Standard: 

    FRONT SEAT OUTER BELT ASSY LH - RESISTANCE TABLE

    Tester Connection Condition Specified Condition
    S64-1 - Body ground Always 1 MΩ or Higher
    S64-2 - Body ground Always 1 MΩ or Higher
    Fig 2: Checking Front Seat Outer Belt Assy LH
    G03002658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT SEAT OUTER BELT ASSY LH (See step 8 in  REPLACEMENT  ) 

    OK: REPLACE SEAT BELT CONTROL ECU (See step 10 in  REPLACEMENT  )