Seat Belt Buckle Switch
NOTE:
For testing of body control ECU side of seat belt buckle switch circuit, see appropriate BODY CONTROL SYSTEMS article.
Disconnect seat belt buckle switch connector. Connector is located at base of inner seat belt. See Figure. Using DVOM, ensure continuity is present between switch terminals No. 1 and 4 with seat belt fastened. Ensure continuity is present between switch terminals No. 2 and 4 with seat belt unfastened.