Seat Belt Buckle Switch: Testing and Inspection

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

INSPECT BUCKLE SWITCH CIRCUIT







Disconnect the connector from the switch and inspect the connector on wire harness side.
If the circuit is not as specified, inspect the circuits connected to other parts.