Front Seat Belt Inspection
Front Seat Belt InspectionWARNING:
- Never attempt to disassemble or repair the seat belt pretensioner (retractor). If any abnormality is found, be sure to replace it with new one as an assembly.
- Be sure to read Precautions on Service and Diagnosis of Seat Belt, before starting to work and observe every precaution during work. Neglecting them may result in personal injury or inactivation of the seat belt pretensioner when necessary.
- Never measure resistance of pretensioner or disassemble it. Otherwise, personal injury may result.
CAUTION: If seat belt pretensioner (retractor) was dropped from a height of 30 cm (1 ft) or more, it 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.
Retractor (with Seat Belt Pretensioner)
1. Let the seat belt retract fully to confirm its easy retraction.
- The retractor should lock webbing when pulled quickly.
- The front seat belt retractor (1) should pass the inspection and should lock webbing even when tilted toward the fore and aft or right and left directions.
2. Check retractor (1) with seat belt pretensioner appearance visually for 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).
- Seat belt pretensioner (retractor) is damaged or a strong impact (e.g., dropping) was applied to it.
Anchor Bolt
- Anchor bolts should be torqued to specification.
Belt Latch
- It should be secure when latched.
Seat Belt Buckle Switch (Except Advanced Air Bag Model)
Check driver side seat belt switch and passenger side seat belt switch for continuity by using ohmmeter.
Seat belt switch specification
Without inserted buckle tongue to buckle catch:
Terminal "A" and "B": Continuity
With inserted buckle tongue to buckle catch:
Terminal "A" and "B": No continuity
Seat Belt Buckle Sensor (Advanced Air Bag Model)
Refer to Seat Belt Buckle Sensor and Its Circuit Inspection:Advanced Air Bag. Testing and Inspection