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Home >> Infiniti >> 2018 >> QX80 RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Airbag Control System (Diagnostics) >> Basic Inspection >> Zero Point Reset >> Work Procedure
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Work Procedure

Zero point reset is an initializing procedure for occupant detection sensor that must be performed when replacing or removing and installing passenger seat.

If zero point reset is not performed, the initialization is incomplete and Occupant Detection System does not operate normally.

NOTE:
  • When replacing passenger seat with a NISSAN genuine part, air bag warning lamp blinks if zero point reset is incomplete.
  • When zero point reset is performed once after removal and installation of passenger seat, CONSULT displays "complete" and air bag warning does not blink.
  • When reinstalling passenger seat after removal, the initial value for occupant detection sensor changes, and Occupant Detection System does not operate normally.
  • Always perform zero point reset after performing the work as per the following.
    • Reinstallation of passenger seat
    • Replacement of passenger seat with a seat that is zero point reset complete.
  1. PERFORM ZERO POINT RESET 
    1. Perform zero point reset.
      NOTE: When performing zero point reset, be careful of the items described as per the following.
      • Perform zero point reset after installing passenger seat to the vehicle
      • Do not put any objects on passenger seat
      • Do not apply excessive vibration to the vehicle
      • Do not touch the vehicle
      • Do not tilt the vehicle
    2. Select start on "Zero point reset function" screen from, WORK SUPPORT of CONSULT "OCCUPANT DETECTION".
    3. "Zero point reset" starts.

    GO TO 2.

  2. CONFIRMATION OF SETTING 
    1. Proceed to "Zero point reset function" screen from work support of CONSULT "OCCUPANT DETECTION".
    2. Check that "Complete" or "Incomplete" is displayed on "Zero point reset status".
    CAUTION:
    • "Complete" is displayed on "zero point reset current status" if the seat is reinstalled by seat removal and installation, or "zero point reset" is already performed.
    • "Zero point reset current status" displays "Incomplete" if a new seat is installed. When turning key switch ON without performing zero point reset, air bag warning lamp blinks. When zero point reset is performed, air bag warning lamp turns OFF.
    • Air bag warning lamp blinks in user mode only.
    • Air bag sensor unit does not record whether or not zero point reset is performed.

    Is condition "ALREADY PERFORMED"?

    YES

    Print out "ZERO POINT RESET CURRENT STATUS" screen, and inspection end.

    NO

    Check condition as per the following, and perform zero point reset again.

    • Passenger seat is occupied by an object.
    • Excessive vibration is applied while performing zero point reset.
    • Occupant detection system is malfunctioning.
      NOTE: If "Incomplete" is displayed on "zero point reset current status", zero point reset is not completed normally. Check the condition as per the following and perform zero point reset again.
    • Passenger seat is occupied by an object.
    • Excessive vibration is applied while performing zero point reset.
    • Occupant detection system is malfunctioning.