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Home >> Toyota >> 2017 >> Corolla L >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostics - Introduction (Model Code: ZRE172) >> Occupant Classification System >> Precaution [08/2016 - ] >> Precaution [08/2016 - ]
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Precaution [08/2016 - ]

  1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable from the negative (-) battery terminal, initialize the following system after the cable is reconnected:

    System See Procedure
    Lane Departure Alert System (w/ Steering Control) Refer to INITIALIZATION [08/2016 - 08/2017] Refer to INITIALIZATION [08/2017 - ]
    Pre-collision System
    Air Conditioning System (for Automatic Air Conditioning System)
  2. IGNITION SWITCH EXPRESSION 

    The type of ignition switch used on this model differs depending on the specifications of the vehicle.

    The expressions listed in the table below are used in this section.

    Expression Ignition Switch (Position) Engine Switch (Condition)
    Ignition Switch off LOCK Off (Lock)
    Ignition Switch ACC ACC On (ACC)
    Ignition Switch ON ON On (IG)
    Engine Start START On (Start)
  3. GENERAL PRECAUTION 

    Perform zero point calibration and sensitivity check if any of the following conditions occur: 

    • The occupant detection ECU is replaced.
    • Accessories (seatback tray, seat cover, etc.) are installed.
    • The front passenger seat is removed from the vehicle.
    • One of the bolts that is used to install the front passenger seat is removed and reinstalled.
    • The passenger airbag ON/OFF indicator ("ON") comes on when the front passenger seat is not occupied.
    • An occupant classification sensor collision detection DTC is output due to an accident or a collision.