Tire Monitoring System: Service Precautions

TIRE PRESSURE WARNING SYSTEM

PRECAUTION

NOTICE: When disconnecting the negative (-) battery terminal, initialize these systems after the terminal is reconnected.

^ Power Window Control System
^ Sliding Roof System





1. TIRE PRESSURE WARNING SYSTEM PRECAUTION
a. When the tire pressure warning light comes on, immediately check the air pressure of all tires and adjust to the specified pressure.

Standard pressure:

Standard pressure
b. This system requires initialization after changing tires or wheels, or after rotating the tires.
Set tire pressure within the specified range before initialization. If the tire pressure is not within the specified range, the tire pressure warning system will not function.
c. In these cases, the system may not operate normally.
^ A compact spare tire, snow tires, or tire chains are used.
^ The tire pressure is excessively higher than specified, or tire pressure suddenly drops due to bursting or other causes.
^ The vehicle is driven on a slippery road surface such as rough or frozen roads.
^ The vehicle speed is less than 30 km/h (19 mph) or more than 100 km/h (62 mph), and the driving duration is less than 5 minutes.
^ The tires differ in tread pattern or by manufacturer.
^ The tires are not the specified size.
^ The tread wear is very different among the installed tires.
^ During rapid acceleration / deceleration or sharp turns.
^ Towing a trailer.
^ The loading is over the limit or unbalanced.
^ Initialization was not performed correctly after replacing or rotating tires or wheels.
^ The outside temperature is below 0°C (32°F) or above 40°C (104°F).

2. FAIL-SAFE FUNCTION
a. When a system malfunction occurs in the tire pressure warning system, the tire pressure warning light blinks.
b. The result of this diagnosis is stored in the skid control ECU.