Nissan Versa

 Sedan Service Manual

Restraints » SRS Airbag control system (SRC) » Inspection and adjustment
Zero point reset

ZERO POINT RESET : Description

Zero point reset is an initializing procedure for the OCS (weight) sensors that must be performed using CONSULT when removing and installing passenger seat or servicing the OCS system. If zero point reset is not performed, the initialization is incomplete and OCS may not operate normally.

NOTE:

• When reinstalling the passenger seat, the initial value for the OCS sensors may change, and the OCS may not operate normally.
• When zero point reset is performed after removal and installation of passenger seat, CONSULT displays ""complete"".

ZERO POINT RESET : Special Repair Requirement

1.PERFORM ZERO POINT RESET

    1.   Perform preliminary checks:

NOTE:

• Level the vehicle
• Minimize vibrations near the vehicle
• Remove any objects on passenger seat
• Do not touch the vehicle during zero point reset

2. Select START on ZERO POINT RESET from, WORK SUPPORT of "OCCUPANT DETECTION".
3. "Zero point reset" starts.

>> GO TO 2.

2.CONFIRM RESET

    1.   Check that ""Complete" is displayed on "Zero point reset status".

CAUTION:

• "Complete" may be displayed if the seat has been reinstalled, or "zero point reset" has already been performed.
• "Incomplete" may be displayed if a new seat is installed.
• Air bag warning lamp blinks in user mode if zero point reset is "incomplete".

Is zero point reset status "complete"?

YES >> Print out "ZERO POINT RESET CURRENT STATUS" screen. Inspection end.

NO >> Recheck the preliminary check items and perform zero point reset again.

INTERMITTENT INCIDENT

Inspection Procedure

INTERMITTENT TROUBLE

An intermittent incident may have occurred in the past but is not being detected currently. This DTC will not be detected on SELF-DIAG [CURRENT], but may be viewed on SELF-DIAG [PAST] if the DTC has not been erased.

Trouble Diagnosis with CONSULT

CHECK SRS REPAIR HISTORY

Refer to SRC "SRS History Check".

DTC/CIRCUIT DIAGNOSIS

Additional service when replacing control unit

Zero point reset