Normal Operation
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
As part of the Supplemental Restraint System (SRS), the safety belt buckles are equipped with Hall-effect switches. The safety belt buckle switches indicate to the Restraints Control Module (RCM) whether the safety belts are buckled or unbuckled. Refer to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) .
The RCM checks the driver safety belt buckle switch circuits for faults. If the RCM detects an open circuit, it will store DTC B2432 in memory, flash LFC 5-1 on the air bag warning indicator.
- DTC B2432 Driver Seat Belt Buckle Switch Circuit Open - If the RCM detects an open circuit on the driver safety belt buckle switch, it will set this DTC.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Driver safety belt buckle switch
- RCM