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Test M: LFC 51/DTC B2434 - Driver Safety Belt Buckle Switch Circuit Short to Ground

PINPOINT TEST M: LFC 51/DTC B2434 - DRIVER SAFETY BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND

Normal Operation
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.

The RCM checks the driver safety belt buckle switch circuits for faults. If the RCM detects a short to ground fault, it will store DTC B2434 in memory and flash LFC 51 (or higher priority code if one exists) on the air bag warning indicator.

- DTC B2434 Drivers Seat Belt Buckle Switch Short to Ground - If the RCM detects a short to ground on the driver safety belt buckle circuit, it will set this DTC.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Driver safety belt buckle switch
- RCM


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