Never measure circuit resistance in the seat belt pre-tensioner even with the specified tester. Measuring the circuit resistance with a tester causes accidental air bag deployment due to current that flows or static, resulting in serious personal injury.
When replacing the parts, discard the old parts after deploying the seat belt pre-tensioner according to the specified procedure (Refer to ).
If any malfunction is found in the following inspections, replace the seat belt with pre-tensioner with a new one.
Check the seat belt pre-tensioner for dents, cracks or deformation.
Check the harness and connector for damage and the terminal for deformation.