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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Supplemental Restraint System) >> Diagnosis And Testing >> Airbag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Pinpoint Test >> PINPOINT TEST O : DTCs B1413:11 OR B1413:93 >> Notes

PINPOINT TEST O : DTCs B1413:11 OR B1413:93: Notes

WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Overview 

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Refer to Supplemental Restraint System , for schematic and connector information.

Normal Operation and Fault Conditions 

The RCM continuously monitors the front impact severity sensor and circuits for the following faults:

If a fault is detected, the RCM stores DTC B1413:11 or B1413:93 in memory and sends a message to the IPC to illuminate the airbag warning indicator.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1413:11 Driver Frontal Restraints Sensor: Circuit Short to Ground A fault is indicated when the RCM senses a short to ground on the LH front impact severity sensor feed circuit.
B1413:93 Driver Frontal Restraints Sensor: No Operation A fault is indicated when the RCM senses a faulted LH front impact severity sensor, a short to voltage on the sensor feed circuit, an open sensor feed or an open sensor return circuit.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks