Lincoln Aviator 2020-2024 Service Manual / Body and Paint / Body and Paint / Supplemental Restraint System / General Procedures - Supplemental Restraint System (SRS) Depowering

Lincoln Aviator: Supplemental Restraint System / General Procedures - Supplemental Restraint System (SRS) Depowering

Depower

  WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.

  1.   WARNING: Before beginning any service procedure in this manual, refer to health and safety warnings in section 100-00 General Information. Failure to follow this instruction may result in serious personal injury.

    Refer to: Health and Safety Precautions (100-00 General Information, Description and Operation).
  1. Determine if a SRS fault is present. Turn the ignition OFF and wait 10 seconds, then turn the ignition ON and monitor the airbag warning indicator. The airbag warning indicator illuminates continuously for approximately 6 seconds and then turns off. Continue to monitor the airbag warning indicator for approximately 30 seconds as this is the time required for the RCM to complete testing of the SRS.
    • If the airbag warning indicator either fails to light, remains lit continuously or flashes, an SRS fault is present. The flashing may not occur until approximately 30 seconds after the ignition has been turned from OFF to ON. If this occurs, diagnose and repair any SRS faults before proceeding with other repairs. Go to step 5.
    • If the airbag warning indicator is inoperative and a SRS fault exists, a chime sounds in a pattern of 5 sets of 5 beeps or a message displays in the message center. If this occurs, diagnose and repair the airbag warning indicator and any SRS faults before proceeding with other repairs. Go to step 5
    • If after the ignition has been turned ON for 30 seconds the airbag warning indicator remains unlit with no chime or SRS message displayed in the message center, no SRS fault is present. Go to step 4.

No SRS Fault Present (with ignition ON, airbag warning indicator stays off after prove out)

  1.   WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Ignition must remain OFF until repair is complete. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

    Turn the ignition OFF and wait one minute before continuing vehicle service.

SRS Fault Present

  1. Turn the ignition OFF.
  1. Remove the BCM fuses from the BJB. Refer to Wiring Diagram Cell 11 for fuse and relay information.
  1. Disconnect the battery.
    Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
  1. Wait at least one minute before continuing vehicle service.

    General Procedures - Pyrotechnic Device Disposal

    Disposal Disposal of Deployable Devices and Pyrotechnic Devices That Are Undeployed-Inoperative NOTE: All inoperative airbags, seatbelt pretensioners and inflatable seatbelt inflators have been placed on the Mandatory Return List...

    Supplemental Restraint System

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    Other information:

    Lincoln Aviator 2020-2024 Owners Manual: System Errors. Switching the System On and Off


    System Errors If the system detects a fault, a warning lamp illuminates and a message displays. Switching the System On and Off You can switch the blind spot information system with trailer tow off by not selecting a trailer the information display...

    Lincoln Aviator 2020-2024 Service Manual: General Procedures - Battery Disconnect and Connect


    Disconnect NOTE: When the battery is disconnected and connected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven to allow the PCM to relearn the adaptive strategy values. NOTE: When disconnecting the battery to interrupt power to the vehicle electrical system, disconnect the battery ground cable(s)...

    Categories

    Emergency Locking

    Each door has a backup power system which allows the door to function if your vehicle has no power. The system has a limited number of operations before the power is depleted and turns off. When the system turns off, the door remains open and unlatched and does not close.

    If your vehicle has no power and the backup power system is turned off, you can close and secure your vehicle by manually resetting each door latch using a key in the position shown.

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