Test O: Left Seat Belt Buckle Switch Circuit Fault (DTC B2691): Notes
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before proceeding, see AIR BAG SAFETY PRECAUTIONS
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Diagnostic tests or repairs are not to be performed on seat belt buckle switch with seat installed in vehicle, if front seat is equipped with side air bags. Prior to diagnosis or repair of seat belt buckle switch on seat equipped with side air bag, remove appropriate front seat and ensure appropriate air bag simulator is installed at side air bag floor harness connector. See FRONT SEAT under REMOVAL & INSTALLATION.
Black/Light Blue wire (circuit No. 1203) becomes Black/Orange wire (circuit No. 649) between seat belt buckle in-seat connector C313 and under-seat connector C381. See WIRING DIAGRAMS .
Diagnostic tests or repairs are not to be performed on seat belt buckle switch with seat installed in vehicle, if front seat is equipped with side air bags. Prior to diagnosis or repair of seat belt buckle switch on seat equipped with side air bag, remove appropriate front seat and ensure appropriate air bag simulator is installed at side air bag floor harness connector. See FRONT SEAT under REMOVAL & INSTALLATION.
Black/Light Blue wire (circuit No. 1203) becomes Black/Orange wire (circuit No. 649) between seat belt buckle in-seat connector C313 and under-seat connector C381. See WIRING DIAGRAMS .