Seat Belt Buckle Switch (Passenger Side)

SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

Component Function Check


1. CHECK SEAT BELT WARNING LAMP FUNCTION

1.Turn ignition switch ON.
2.Sits in the passenger seat.
3.Fasten the seat belt (passenger side).
4.Check seat belt warning lamp function.





Is the inspection results normal?
YES- GO TO 2.
NO- Check seat belt warning lamp circuit. Seat Belt Warning Lamp Circuit.

2. CHECK PRE-CRASH SEAT BELT CONTROL UNIT FUNCTION

With CONSULT
When checking "BUCKLE SW RH" on DATA MONITOR screen, check that ON/OFF display changes are synchronized with the insertion operation to the seat belt buckle.





Is the inspection result normal?
YES- Seat belt buckle switch (passenger side) circuit is normal.
NO- Check seat belt buckle switch (passenger side). .


Diagnosis Procedure


1. CHECK PRE-CRASH SEAT BELT CONTROL UNIT (PASSENGER SIDE) OUTPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect seat belt assembly (passenger side) harness connector.
3.Turn ignition switch ON.
4.Check voltage between seat belt assembly (passenger side) and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE) CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect pre-crash seat belt control unit (passenger side) harness connector.
3.Check continuity between pre-crash seat belt control unit (passenger side) harness connector and seat belt assembly (passenger side) harness connector.





4.Check continuity between pre-crash seat belt control unit (passenger side) harness connector and ground.





Is the inspection result normal?
YES- Replace pre-crash seat belt control unit (passenger side). Removal And Installation.
NO- Repair or replace harness or connector.

3. CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE) GROUND CIRCUIT

Check continuity between seat belt assembly (passenger side) and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connector.

4. CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE)

Check seat belt assembly (passenger side). .
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace seat belt assembly (passenger side). Removal And Installation.