Basic Inspection

Before performing diagnosis, check the following item which might affect the quality of the tire pressure monitoring system.

1. Check the battery. Refer to STARTING/CHARGING SYSTEMS (H4DOTC)>Battery>INSPECTION . Refer to STARTING/CHARGING SYSTEMS (H4DO)>Battery>INSPECTION .
2. Check the fuse condition. Refer to SECURITY AND LOCKS>RELAY AND FUSE . Make sure that ampere of the fuse is setting value, and it is not blown out.
3. Inspect that the tire pressure is within the specification while the tire is cool. (Refer to Tire Caution Label.)
4. Check the tires for damage or the insertion of foreign matters.
5. Check the connecting condition of harness and harness connector.