Driver Seat Belt Buckle Switch

Check for continuity between buckle switch 4-pin connector (component side) terminals No. 2 (Black/Blue wire) and No. 3 (White/Black wire) with belt fastened. Continuity should exist. Check for continuity between buckle switch connector terminals No. 2 and No. 3 with belt unfastened. Continuity should not exist. If continuity is not as specified, replace seat belt buckle.