G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
Seat Belt Buckle Switch: Testing and Inspection
Driver Side
Component Function Check
SEAT BELT BUCKLE SWITCH
DRIVER SIDE : Component Function Check
1.CHECK PRE-CRASH SEAT BELT CONTROL UNIT INPUT SIGNAL
With CONSULT-III
When checking "SB SW LH SIG" 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: Diagnosis Procedure.
Diagnosis Procedure
SEAT BELT BUCKLE SWITCH
DRIVER SIDE : 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 connector and seat belt buckle switch (driver side) connector.
3. Check continuity between pre-crash seat belt control unit and seat belt buckle switch (driver side).
4. Check continuity between pre-crash seat belt control unit and ground.
Is the inspection result normal?
YES - GO TO 3.