Seat Belt Buckle Switch: Testing and Inspection

Passenger's side:
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 3 the switch side connectors with the switch OFF (belt fastened).
b. Check that no continuity exists between terminals 1 and 3 the switch side connectors with the switch ON (belt unfastened).
If operation is not as specified, replace the switch.




Driver's side
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 3 on the switch side connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).
c. Check that no continuity 1 and 2 (belt fastened).
d. Check that continuity 1 and 2 (belt unfastened).
If operation is not as specified, replace the switch.