E 450 V8-5.4L (2009)
Impact Sensor: Service and Repair
Front Impact Severity Sensor
Removal and Installation
WARNING: If a vehicle has been in a crash, inspect the restraints control module (RCM) and the impact sensor (if equipped) mounting areas
for deformation. If damaged, restore the mounting areas to the original production configuration. A new RCM and sensors must be installed
whether or not the air bags have deployed. Failure to follow these instructions may result in serious personal injury or death in a crash.
NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (RCM) fuse is removed and the ignition is ON.
NOTE: The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.
1. Depower the SRS. For additional information, refer to Supplemental Restraint System (SRS) Depowering and Repowering See: Air Bag
Systems/Air Bag(s) Arming and Disarming/Service and Repair in the General Procedures portion.
2. Remove the radiator grille.
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Remove the screw.
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Remove the 4 scrivets.
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Grasp the grille and pull forward to disengage the 3 lower clips and remove.
3. Disconnect the front impact severity sensor electrical connector.
4. WARNING: Always tighten the fasteners of the restraints control module (RCM) and impact sensor (if equipped) to the specified torque.
Failure to do so may result in incorrect restraint system operation, which increases the risk of personal injury or death in a crash.
Remove the 2 bolts and front impact severity sensor.
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NOTE: For installation, position the front impact severity sensor at the top of the mounting bracket with the connector end facing the RH side
of the vehicle.
To install, tighten to 12 Nm (106 lb-in).
