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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Diagnostic Routine N - Z >> Diagnostic Routine N >> Diagnostic Overview >> B0091:11, B0091:93, B0097:11 and B0097:93

B0091:11, B0091:93, B0097:11 and B0097:93

Refer to OEM Wiring Diagrams - SUPPLEMENTAL RESTRAINT SYSTEM for schematic and connector information.

The RCM monitors the driver front door and passenger second row (C-pillar) side impact sensors and circuits for the following faults:

If a fault is detected, the RCM stores DTC B0091:11, B0091:93, B0097:11 or B0097:93 in memory and sends a message to the IPC to illuminate the air bag warning indicator.

The RCM communicates with each impact sensor. If the RCM is unable to communicate with the sensor, a DTC is stored in memory. A CMDTC no operation  (failure type: 93) can be set by a short to voltage on the return circuit of the impact sensor.

NOTE: A short to ground on either impact sensor feed circuit sets DTCs  B0091:11 and B0097:11. A short to voltage on either impact sensor feed circuit sets DTCs  B0091:93 and B0097:93.
DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
B0091:11 Left Side Restraints Sensor 1: Circuit Short to Ground A fault is indicated when the RCM senses a shorted driver front door side impact sensor, a shorted passenger C-pillar side impact sensor, a short to ground on the driver front door side impact sensor feed circuit or a short to ground on the passenger C-pillar side impact sensor feed circuit.
B0091:93 Left Side Restraints Sensor 1: No Operation A fault is indicated when the RCM senses a faulted driver front door side impact sensor, a short to voltage on the feed or return circuit of the driver front door side impact sensor, a short to voltage on the feed or return circuit of passenger C-pillar side impact sensor or an open feed or return circuit of the driver front door side impact sensor.
B0097:11 Right Side Restraints Sensor 2: Circuit Short to Ground A fault is indicated when the RCM senses a shorted driver front door side impact sensor, a shorted passenger C-pillar side impact sensor, a short to ground on the driver front door side impact sensor feed circuit or a short to ground on the passenger C-pillar side impact sensor feed circuit.
B0097:93 Right Side Restraints Sensor 2: No Operation A fault is indicated when the RCM senses a faulted passenger C-pillar side impact sensor, a short to voltage on the feed or return circuit of passenger C-pillar side impact sensor, a short to voltage on the feed or return circuit of the driver front door side impact sensor or an open feed or return circuit of the passenger C-pillar side impact sensor.