F 150 2WD V8-4.6L VIN W (2007)
CAUTION:
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While positioning the seat cushion pan and occupant classification sensor (OCS) assembly, be careful not to damage any of the
components. Failure to do so can result in component failure.
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It is necessary to carry out the OCS system reset when a front passenger seat cushion is disassembled, a new trim cover installed, or an
OCS service kit is installed. A scan tool is used to trigger the active command to carry out the OCS system reset.
NOTE:
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Occupant classification sensor (OCS) system components (seat wiring harness, seat cushion frame, seat cushion foam pad, bladder with pressure
sensor and electronic control unit [ECU]) are calibrated to each other and are serviced as an assembly. The OCS system components are not to be
installed separately. If a new OCS system, OCS system component or seat cushion foam pad are needed, a new OCS system service kit (seat
cushion frame, seat cushion foam pad, bladder with pressure sensor, seat wiring harness and electronic control unit) must be installed as an
assembly.
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To identify between a production OCS system and a service OCS system (OCS service kit) inspect the ECU electrical connector. A production
OCS system allows the disconnect of the ECU electrical connector. A service OCS system (OCS service kit) has the ECU electrical connector
glued to the ECU. It cannot and should not be disconnected or altered.
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If a seat equipped with a SRS component is being serviced, the SRS must be depowered.
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The air bag warning lamp illuminates when the RCM fuse is removed and the ignition switch is ON. This is normal operation and does not indicate
a SRS fault.
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The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
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Repair is made by installing a new part only. If the new part does not correct the condition, install the original part and carry out the diagnostic
procedure again.
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Production OCS system shown, OCS service kit similar.
1. Remove the passenger seat and depower the system.
2. Disconnect the electrical connectors.
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If equipped, disconnect the backrest heated seat element electrical connector and release any wire harness retainers attached to the seat cushion
pan.
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If equipped, disconnect the power seat motor electrical connector and release any wire harness retainers attached to the seat cushion pan.
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Disconnect the safety belt buckle pretensioner and safety belt buckle switch electrical connectors. If attached, release the safety belt buckle
switch and safety belt buckle pretensioner wire harnesses from the seat track.
3. NOTE: Vehicles without seat integrated restraints (SIR) will have the belt tension sensor (BTS) connector at the B-pillar and will not have to be
disconnected for this procedure.
Disconnect the BTS electrical connector, release the J-clip and route out the wire harness (vehicles with SIR only).
4. Remove the seat cushion nuts.
5. If equipped with lumbar, release the J-clip and route out the lumbar cable.
