Nissan Sentra Service Manual: Inspection and adjustment

Additional service when replacing control unit

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

WARNING:

Always perform zero point reset using CONSULT when removing and installing the front passenger seat or servicing the occupant classification system. If zero point reset is not performed, the OCS may not operate normally, which may increase the risk of serious injury in a collision.

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement

WORK PROCEDURE WHEN REPLACING OCS CONTROL UNIT

1.PERFORM ZERO POINT RESET

Perform zero point reset. Refer to SRC-41, "ZERO POINT RESET : Special Repair Requirement".

>> Inspection End.

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 flashes 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.