Seat Belt: Testing and Inspection
Seat Belt InspectionReference: Front Seat Belt Removal and Installation
Reference: Second Seat Belt Removal and Installation
Reference: Third Seat Belt Removal and Installation (If Equipped)
WARNING: Never measure resistance of pretensioner or disassemble it. Otherwise, personal injury may result.
CAUTION: If seat belt retractor assembly with pretensioner was dropped from a height of 30 cm (1 ft) or more, retractor assembly should be replaced.
Seat belts and attaching parts can affect the vital components and systems of a vehicle. Therefore, they should be inspected carefully and replaced with genuine parts only.
Seat Belt
- The seat belt webbing or strap should be free from damage.
- Fully extend the seat belt to make sure there are no twists or tears in it.
Retractor Assembly
1. Let the seat belt retract fully to confirm its easy retraction.
- The retractor assembly should lock webbing when pulled quickly.
- The retractor assembly should lock webbing even when tilted (approx. 15 degrees) toward the fore and aft or right and left directions.
2. Check retractor assembly with seat belt pretensioner appearance visually for the following symptoms and if any one of them is applicable, replace it with a new one as an assembly.
- Pretensioner has activated.
- There is a crack in seat belt pretensioner (retractor assembly).
- Wire harness or connector is damage.
- Seat belt pretensioner (retractor assembly) is damaged or a strong impact (e.g., dropping) was applied to it.
Anchor Bolt
- Inspect all seat belt anchor bolts to verify that they are secure.
- All anchor bolts should be secure and torqued to specification.
Belt Latch
- Belt latch should be secure when latched.
- Inspect the seat belt buckle, ensuring that it locks and unlocks easily.
- After buckling the seat belt, tug sharply on the belt, checking that the buckle remains locked.