TIRE PRESSURE WARNING SYSTEM GENERAL GENERAL

  1. OUTLINE

    1. An indirect type tire pressure warning system is used for some models.

    2. While the vehicle is in motion, this system monitors the fluctuations in the wheel speed signals that are output by the speed sensors for the brake control system. The system informs the driver by illuminating the tire pressure warning light if it detects a low tire pressure.

  2. PRECAUTION

    1. Ignition Switch Expressions

      1. The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section.

        Expression

        Ignition Switch

        (Position)

        Engine Switch

        (Condition)

        Ignition Switch off

        LOCK

        Off (Lock)

        Ignition Switch ACC

        ACC

        On (ACC)

        Ignition Switch ON

        ON

        On (IG)

        Engine Start

        START

        On (Start)

    2. The system may not operate properly in the following conditions: (When the condition becomes normal, the system will work properly.)

      1. The vehicle uses non-standard size tires or tires made by other manufacturers.

      2. The vehicle uses tires of different sizes or manufacturers.

      3. The vehicle uses snow tires, compact spare tires, or snow chains.

      4. The vehicle is being driven below approximately 40 km/h (approximately 25 mph).

      5. The vehicle is being driven on slippery or rough surfaces.