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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1401 (Supplemental Restraint System) >> Diagnosis And Testing >> Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Pinpoint Tests >> Pinpoint Test I: DTC B2296 - Restraint System - Impact Sensor Fault >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The restraints control module (RCM) continuously communicates with all impact sensors for external and internal sensor data. The RCM also continuously monitors all of the impact sensor circuits for a short to voltage, short to ground and open circuits. If the RCM detects any communication or circuit faults with any of the impact sensors, it will store DTC B2296 in memory and send a message to the instrument cluster (IC) module to illuminate the air bag warning indicator.

Fault PIDsa Description Fault Trigger Condition
2296_18_OD and 2296_18_CM Driver/Center Front Crash Sensor Internal Fault When the RCM senses an internal failure with the driver/center front impact sensor, a fault will be indicated.
2296_19_OD and 2296_19_OD Driver/Center Front Crash Sensor Mount/Communication Fault When the RCM is unable to communicate with the driver/center front impact sensor, a fault will be indicated.
2296_24_OD and 2296_24_CM Side Crash Sensor 2 Internal Fault, Passenger side When the RCM senses an internal failure with the passenger side second row impact sensor, a fault will be indicated.
2296_25_OD and 2296_25_CM Side Crash Sensor Mount or Communication Fault, Row No.2 Passenger Side When the RCM is unable to communicate with the passenger side second row impact sensor, a fault will be indicated.
2296_26_OD and 2296_26_CM Side Crash Sensor 2 Internal Fault, Driver side When the RCM senses an internal failure with the driver side second row impact sensor, a fault will be indicated.
2296_27_OD and 2296_27_CM Side Crash Sensor Mount or Communication Fault, Row No.2 Driver Side When the RCM is unable to communicate with the driver side second row impact sensor, a fault will be indicated.
2296_28_OD and 2296_28_CM Side Crash Sensor Internal Fault, Front Passenger Side When the RCM senses an internal failure with the passenger side first row impact sensor, a fault will be indicated.
2296_29_OD and 2296_29_CM Side Crash Sensor Mount or Communication Fault, Front Passenger Side When the RCM is unable to communicate with the passenger side first row impact sensor, a fault will be indicated.
2296_30_OD and 2296_30_CM Side Crash Sensor Internal Fault, Front Driver Side When the RCM senses an internal failure with the driver/center front impact sensor, a fault will be indicated.
2296_31_OD and 2296_31_CM Side Crash Sensor Mount or Communication Fault, Front Driver Side When the RCM is unable to communicate with the driver side first row impact sensor, a fault will be indicated.

a Fault PIDs that end in OD indicate an on-demand status and are associated with on-demand DTC B2296. Fault PIDs that end in CM indicate continuous memory status and are associated with continuous DTC B2296.

This pinpoint test is intended to diagnose the following:

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