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Lincoln Aviator 2020-2025 Service Manual / Body and Paint / Body and Paint / Seatbelt Systems / Diagnosis and Testing - Seatbelt Systems

Lincoln Aviator: Seatbelt Systems / Diagnosis and Testing - Seatbelt Systems

Symptom Chart(s)

Preliminary Inspection

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Before diagnosing or repairing the seatbelt system, inspect the following items:

  • Seatbelt webbing integrity (torn, frayed, cut or stretched)
  • Seatbelt buckle and tongue assembly (latching and release, foreign debris)

Symptom Chart: Seatbelt System

  Symptom Chart


Condition Action
The seatbelt warning indicator does not operate   GO to Pinpoint Test A
The seatbelt warning chime does not operate   GO to Pinpoint Test B
The seatbelt retractor webbing does not extract or exhibits excessive pressure on the occupant during use   GO to Pinpoint Test C
The seatbelt retractor webbing does not retract or has excessive slack during use   GO to Pinpoint Test C
The Belt-Minder® feature is inoperative   GO to Pinpoint Test D
The seatbelt tongue is rotated on the seatbelt webbing   GO to Pinpoint Test E
The seatbelt webbing is twisted at the seatbelt guide   GO to Pinpoint Test E
The seatbelt webbing is dirty or soiled   GO to Pinpoint Test E

Pinpoint Tests


PINPOINT TEST A : THE SEATBELT WARNING INDICATOR DOES NOT OPERATE

Normal Operation and Fault Conditions

Turn the ignition on and monitor the airbag warning indicator after the IPC proves out.

  • If the airbag warning indicator is illuminated, REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
  • If the airbag warning indicator is not illuminated, REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

Possible Sources

  • Refer to the pinpoint test
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST B : THE SEATBELT WARNING CHIME DOES NOT OPERATE

Normal Operation and Fault Conditions

Turn the ignition on and monitor the airbag warning indicator after the IPC proves out.

  • If the airbag warning indicator is illuminated, REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
  • If the airbag warning indicator is not illuminated, REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

Possible Sources

  • Refer to the pinpoint test
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST C : SEAT BELT RETRACTOR CONCERNS

Normal Operation and Fault Conditions

The seatbelt retractor webbing does not extract or exhibits excessive pressure on the occupant during use

  • If the seatbelt retractor is in web sensing mode, unlock the locked seatbelt retractor. REFER to: Locked Seatbelt Retractor Releasing (501-20A Seatbelt Systems, General Procedures).
  • If the interior trim is not installed correctly, correct the interior trim installation. Refer to section 501-05.
  • If the seatbelt retractor is locked in Automatic Locking Retractor (ALR) mode or is binding internally, REFER to: Seatbelt System Functional Tests (501-20A Seatbelt Systems, General Procedures).
    and carry out the appropriate functional test.

The seatbelt retractor webbing does not retract or has excessive slack during use

  • If the seatbelt webbing is twisted or incorrectly routed, REFER to: Seatbelt Tongue Rotated On Belt (501-20A Seatbelt Systems, General Procedures).
    or REFER to: Seatbelt Twisted at the Seatbelt Guide (501-20A Seatbelt Systems, General Procedures).
  • If the interior trim is not installed correctly, correct the interior trim installation. Refer to section 501-05.
  • If the seatbelt retractor is binding internally, REFER to: Seatbelt System Functional Tests (501-20A Seatbelt Systems, General Procedures).
    and carry out the appropriate functional test.

Possible Sources

  • Interior trim is not installed correctly
  • Twisted or incorrectly routed seatbelt webbing
  • Seatbelt retractor is in web sensing mode
  • Seatbelt retractor is in Automatic Locking Retractor (ALR) mode (if equipped)
  • Seatbelt retractor binding internally
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST D : BELT-MINDER® CONCERNS

Normal Operation and Fault Conditions

Using the diagnostic scan tool, verify the Belt-Minder® feature is activated.

  • If the Belt-Minder® isn't activated, activate the Belt-Minder® feature using the diagnostic scan tool or REFER to: Seatbelt Minder Deactivating/Activating (413-01 Instrumentation, Message Center and Warning Chimes, General Procedures).
  • If the Belt-Minder® feature is activated, REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

Possible Sources

  • Refer to the pinpoint test
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST E : SEAT BELT WEBBING CONCERNS

Normal Operation and Fault Conditions

The seatbelt tongue is rotated on the seatbelt webbing

  • REFER to: Seatbelt Tongue Rotated On Belt (501-20A Seatbelt Systems, General Procedures).

The seatbelt webbing is twisted at the seatbelt guide

  • REFER to: Seatbelt Twisted at the Seatbelt Guide (501-20A Seatbelt Systems, General Procedures).

The seatbelt webbing is dirty or soiled

  • REFER to: Seatbelt Cleaning (501-20A Seatbelt Systems, General Procedures).

Possible Sources

  • Twisted or incorrectly routed seatbelt webbing
  • Dirty or soiled seatbelt webbing
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

    Description and Operation - Seatbelt Systems - System Operation and Component Description

    System Operation Emergency Locking Retractor (ELR) All retractors have an Emergency Locking Retractor (ELR) mode, which is a vehicle-sensitive feature designed to activate and lock the seatbelt webbing during hard braking, cornering, or an impact of approximately 24 km/h (15 mph)...

    General Procedures - Locked Seatbelt Retractor Releasing

    Repair NOTE: If the seatbelt webbing does not extract from the seatbelt retractor from the stowed position, this may be due to a normal condition which happens when the seatbelt retracts at a high rate of speed...

    Other information:

    Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Rear Door Window Glass


    Removal NOTE: LH (left-hand) side shown, RH (right-hand) side similar. Remove the rear door window top run. Refer to: Rear Door Glass Top Run (501-11 Glass, Frames and Mechanisms, Removal and Installation). Remove the rear door window glass...

    Lincoln Aviator 2020-2025 Service Manual: Diagnosis and Testing - Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD)


    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).   Diagnostic Trouble Code Chart Module   DTC Description Action   HUD U0100:00 Lost Communication With ECM/PCM "A":No Sub Type Information   GO to Pinpoint Test J   HUD U0140:00 Lost Communication With Body Control Module:No Sub Type Information   GO to Pinpoint Test K   HUD U0164:00 Lost Communication With HVAC Control Module:No Sub Type Information   GO to Pinpoint Test M   HUD U0208:00 Lost Communication With "Seat Control Module A":No Sub Type Information   GO to Pinpoint Test N   HUD U0212:00 Lost Communication With Steering Column Control Module:No Sub Type Information   GO to Pinpoint Test O   HUD U0232:00 Lost Communication With Side Obstacle Detection Control Module "A":No Sub Type Information   GO to Pinpoint Test P   HUD U0233:00 Lost Communication With Side Obstacle Detection Control Module "B":No Sub Type Information   GO to Pinpoint Test P   HUD U0238:00 Lost Communication With Digital Audio Control Module "D":No Sub Type Information   GO to Pinpoint Test Q   HUD U023A:00 Lost Communication With Image Processing Module A:No Sub Type Information   GO to Pinpoint Test R   HUD U0401:00 Invalid Data Received from ECM/PCM A:No Sub Type Information   GO to Pinpoint Test J   HUD U0401:81 Invalid Data Received from ECM/PCM A:Invalid Serial Data Received   GO to Pinpoint Test J   HUD U0401:82 Invalid Data Received from ECM/PCM A:Alive/Sequence Counter Incorrect/Not Updated   GO to Pinpoint Test J   HUD U0405:56 Invalid Data Received From Cruise Control Module:Invalid/Incompatible Configuration   GO to Pinpoint Test S   HUD U0424:00 Invalid Data Received From HVAC Control Module:No Sub Type Information   GO to Pinpoint Test M   HUD U0424:81 Invalid Data Received From HVAC Control Module:Invalid Serial Data Received   GO to Pinpoint Test M   HUD U0424:82 Invalid Data Received From HVAC Control Module:Alive/Sequence Counter Incorrect/Not Updated   GO to Pinpoint Test M   HUD U0429:00 Invalid Data Received From Steering Column Control Module:No Sub Type Information   GO to Pinpoint Test O   HUD U0429:82 Invalid Data Received From Steering Column Control Module:Alive/Sequence Counter Incorrect/Not Updated   GO to Pinpoint Test O   HUD U0431:00 Invalid Data Received From Body Control Module "A":No Sub Type Information   GO to Pinpoint Test K   HUD U0509:82 Invalid Data Received From "Seat Control Module A":Alive/Sequence Counter Incorrect/Not Updated   GO to Pinpoint Test N   HUD U2100:00 Initial Configuration Not Complete:No Sub Type Information   GO to Pinpoint Test T   HUD U2300:55 Central Configuration:Not Configured   GO to Pinpoint Test S   HUD U3000:04 Control Module:System Internal Failures   GO to Pinpoint Test U   HUD U3000:41 Control Module:General Checksum Failure   GO to Pinpoint Test U   HUD U3000:42 Control Module:General Memory Failure   GO to Pinpoint Test U   HUD U3000:47 Control Module:Watchdog/Safety µC Failure   GO to Pinpoint Test U   HUD U3000:49 Control Module:Internal Electronic Failure   GO to Pinpoint Test U   HUD U3001:98 Control Module Improper Shutdown Performance:Component Or System Over Temperature   GO to Pinpoint Test V   HUD U3003:16 Battery Voltage:Circuit Voltage Below Threshold   GO to Pinpoint Test X   HUD U3003:17 Battery Voltage:Circuit Voltage Above Threshold   GO to Pinpoint Test Y   HUD U300A:64 Ignition Switch:Signal Plausibility Failure   GO to Pinpoint Test W Symptom Chart Symptom Chart: HUD Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...

    Categories

    Seatbelt Height Adjustment

    WARNING: Position the seatbelt height adjuster so that the seatbelt rests across the middle of your shoulder. Failure to adjust the seatbelt correctly could reduce its effectiveness and increase the risk of injury in a crash.

    Adjust the height of the shoulder belt so the belt rests across the middle of your shoulder. Slide the adjuster up to raise the belt. Press the button and slide it down to lower the belt.

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