Introduction to Seat Belt Warning System Diagnosis

The seat belt warning system is controlled by the ETACS-ECU.

The seat belt warning system flashes the seat belt warning light in the combination meter for 6 seconds after the ignition switch is turned "ON" and sounds a seat belt tone alarm if the seat belt is not fastened. If one of the following symptoms occurs, a malfunction may have occurred.
- The seat belt warning light does not flicker even when the ignition switch is turned "ON" .
- The seat belt tone alarm does not sound even when the ignition switch is turned "ON" while the seat belt is not fastened.
- The seat belt tone alarm does not sound even when the seat belt is fastened within 6 seconds after the seat belt tone alarm starts sounding.