Symptom Chart: Seatbelt System
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Preliminary Inspection
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)
| Condition | Possible Sources | Actions |
|---|---|---|
| Both seatbelt tension reducers do not operate | Refer to the pinpoint test | GO to Pinpoint Test A |
| An individual seatbelt tension reducer does not operate | Refer to the pinpoint test | GO to Pinpoint Test B |
| The seatbelt warning indicator does not operate | Burned-out indicator Wiring, terminals or connectors IPC RCM |
If the airbag warning indicator is illuminated, REFER to:Airbag Supplemental Restraint System (SRS) . If the airbag warning indicator is not illuminated, REFER to: Instrumentation, Message Center and Warning Chimes . |
| The seatbelt warning chime does not operate | Wiring, terminals or connectors Seatbelt switch IPC RCM |
If the airbag warning indicator is illuminated, REFER to:Airbag Supplemental Restraint System (SRS) . If the airbag warning indicator is not illuminated, REFER to: Instrumentation, Message Center and Warning Chimes . |
| The seatbelt retractor webbing does not extract or exhibits excessive pressure on the occupant during use | Seatbelt retractor is in web sensing mode | UNLOCK the locked seatbelt retractor. REFER to: Locked Seatbelt Retractor Releasing . |
| Interior trim is not installed correctly | CORRECT the interior trim installation. REFER to INTERIOR TRIM AND ORNAMENTATION . | |
| Seatbelt retractor is in Automatic Locking Retractor (ALR) mode Seatbelt retractor binding internally |
CARRY OUT the appropriate functional test. REFER to Component Test INSTALL new components as directed. | |
| The seatbelt retractor webbing does not retract or has excessive slack during use | Twisted or incorrectly routed seatbelt webbing | CORRECT the twisted seatbelt webbing. REFER to: Seatbelt Tongue Rotated On Belt . REFER to: Seatbelt Twisted at the Seatbelt Guide . |
| Interior trim is not installed correctly | CORRECT the interior trim installation. REFER to INTERIOR TRIM AND ORNAMENTATION . | |
| Seatbelt retractor binding internally | CARRY OUT the appropriate functional test. REFER to Component Test . INSTALL new components as directed. | |
| The Belt-Minder® feature is inoperative | Belt-Minder® feature is deactivated Wiring, terminals or connectors |
To activate the Belt-Minder® feature, REFER to the Seatbelts information of the Owner's Literature or REFER to: Seatbelt Minder Deactivating/Activating
. If the Belt-Minder® is activated, DIAGNOSE the inoperative Belt-Minder® feature. REFER to: Instrumentation, Message Center and Warning Chimes . |
| The seatbelt tongue is rotated on the seatbelt webbing | Twisted or incorrectly routed seatbelt webbing | REFER to: Seatbelt Tongue Rotated On Belt . |
| The seatbelt webbing is twisted at the seatbelt guide | Rotated or incorrectly routed seatbelt webbing | REFER to: Seatbelt Twisted at the Seatbelt Guide . |
| The seatbelt webbing is dirty or soiled | Dirty or soiled seatbelt webbing | REFER to: Seatbelt Cleaning . |