Mariner 2WD V6-3.0L (2008)
and ECU) must be installed as an assembly.
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To identify between a production occupant classification sensor (OCS) system and a service OCS system (OCS service kit), inspect the electronic
control unit (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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The air bag warning indicator illuminates when the restraints control module (RCM) fuse is removed and the ignition switch is ON. This is normal
operation and does not indicate a supplemental restraint system (SRS) fault.
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The supplemental restraint system (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 perform the diagnostic
procedure again.
1. Depower the SRS.
2. Remove the front passenger seat.
3. Disconnect the electrical connectors and detach the wiring clips.
1
Disconnect the occupant classification sensor (OCS) electronic control unit (ECU) electrical connector.
2
Disconnect the pressure sensor electrical connector.
3
Release the 2 wiring clips on the wiring harness from the seat cushion pan.
4
If equipped with heated seats, disconnect the heated seat relay electrical connector, release the wiring clip on the wiring harness from the seat
cushion pan, and disconnect the 2 seat cushion element electrical connectors.
4. Remove the 4 seat cushion bolts retaining the seat cushion to the seat track.
5. CAUTION: While positioning the seat cushion pan and occupant classification sensor (OCS) assembly, be careful not to damage any of
the components. Failure to follow these instructions may result in incorrect operation of the OCS system and may cause system failure.
Remove the seat cushion and pan assembly.
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To aid in removal, recline the seat.
6. CAUTION: Use care when separating the seat upholstery from the hook-and-loop strip, or the hook-and-loop strip can be torn from the
seat cushion foam pad.
Detach the seat cushion trim cover J-clips from the seat cushion pan and remove the seat cushion trim cover.
