FX50 AWD V8-5.0L (VK50VE) (2009)
Seat Belt Buckle Switch: Testing and Inspection
Seat Belt Buckle Switch (Driver Side)
Component Function Check
SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
PRE-CRASH SEAT BELT SYSTEM : Component Function Check
1.CHECK PRE-CRASH SEAT BELT CONTROL UNIT INPUT SIGNAL
With CONSULT-III
When checking "BUCKLE SW LH" on DATA MONITOR screen, check that ON/OFF display changes synchronized with the insertion operation to
the seat belt buckle.
Is the inspection result normal?
YES - Seat belt buckle switch (driver side) circuit is normal.
NO - Refer to See: Pre-Crash Seat Belt System/Diagnosis Procedure.
Diagnosis Procedure
SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
PRE-CRASH SEAT BELT SYSTEM : Diagnosis Procedure
1.CHECK PRE-CRASH SEAT BELT CONTROL UNIT INPUT SIGNAL
Check that voltage between seat belt buckle switch (driver side) and ground.
Is the inspection result normal?
YES - Seat belt buckle switch (driver side) circuit is normal.
NO - GO TO 2.
2.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect pre-crash seat belt control unit (driver side) connector and seat belt buckle switch (driver side) connector.
3. Check continuity between pre-crash seat belt control unit (driver side) and seat belt buckle switch (driver side).
4. Check continuity between pre-crash seat belt control unit (driver side) and ground.
Is the inspection result normal?
YES - GO TO 3.