Seat Belt Buckle Switch: Testing and Inspection

Bench seat:
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 2 on the switch side connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminal 1 an 2 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.




Separate seat, captain seat(w/o Power seat):
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 3 and 4 on the switch side connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminal 3 an 4 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.




w/ Power seat:
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 2 on the switch side connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminal 1 an 2 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.