Low Tire Pressure Indicator: Description and Operation

LOW TIRE PRESSURE WARNING LIGHT

After the ignition switch is turned ON, this light comes on for about 1 second and turns off.

This light warns of low tire pressure. INFINITI's low tire pressure warning system is a tire pressure monitoring system. It monitors tire pressure of all tires except the spare. When the tire pressure monitoring system warning light is lit, one or more of your tires is significantly under-inflated. You should stop and check your tires as soon as possible, and inflate them to the proper pressure as indicated on the vehicle's tire information placard. Driving on a significantly under-inflated tire causes the tire to over-heat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability. Each tire, including the spare, should be checked monthly when cold and set to the recommended inflation pressure as specified in the vehicle placard and Owner's Manual.

The recommended inflation pressure may also be found on the Tire and Loading Information label.


Low Tire Pressure Warning


If the vehicle is being driven with low tire pressure (Lower than 27 psi, 190 kpa), the light will illuminate and the chime will sound for about 10 seconds. If you select the tire pressure information in the display, the FLAT TIRE warning message will be displayed.

Also, you can check the pressure of all 4 tires on the monitor display. See "Vehicle information" on the Monitor, climate, audio and voice-activated control System.


LOW TIRE PRESSURE WARNING LAMP
When a low tire pressure warning control malfunction occurs, ground is supplied
- to combination meter terminal 54
- from low tire pressure warning control unit terminal 3.

When power and ground are supplied, the low tire pressure warning lamp illuminates.

NOTE: The low tire pressure warning lamp stays on when air bag diagnosis sensor unit has malfunction or the circuit is open. For further information, refer to "TROUBLE DIAGNOSIS FOR SYMPTOMS".