Service manual

3-56 Tire Pressure Monitoring Suspension
2006 LSSV Service Manual Supplement
The reference pressure, or COLD PRESSURE is the
air pressure inside the tire inflated at room temperature
18°C (64°F) to the vehicle manufacturer’s
recommendation. When a tire heats up, the air
pressure inside the tire can also be expected to
increase. For example, a normal or “required” pressure
at 64°F or 18°C may be 2.35 Bar (34 psi) and a normal
pressure at 49°C (120°F) may be 2.7 Bar (39 psi). Both
pressure readings are correct at their respective
temperatures.
The amount of deviation from the required pressure (at
any temperature) can be read by using the Pressure
Deviation mode of this product. If at any time you are
uncertain that the Actual Pressure reading on the
display indicates the correct tire pressure, switch to the
Pressure Deviation (+-) readout. A blank display
indicates that the reading on the display is the correct
one. Any (+) or (-) value indicates the tire pressure is
incorrect by that value. This value can then be used to
correctly inflate the tire.