EnTire Solution TPMS User Manual
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© 2011 TRW Automotive, Parts & Service
5.3
Sensor Working Modes
Sleep Mode
Sensors are in sleep mode when they are received in original package. They enter into
working mode when mounted onto inflated tyres.
Normal Working Mode
If there is no pressure change and the vehicle is not moving, the LCD Display
Monitor will be updated every 8 minutes. When vehicle moves it will update every 4 minutes.
If pressure drops 0.8 psi ˜ 0.055 bar within 8 seconds time period, a series of rapid leakage signal will
be transmitted to the monitor immediately. (refer fig.2.8.1 Rapid Leakage Alarm Indicator)
Learning Mode
Take out the battery from the inner sensor for a minute and insert it back, the sensor
will transmit learning code 10 times. After that, it will go back to sleep mode.
Note
: Perform Learning Mode operation
ONLY
when programming a new replacement or additional
sensors. E.g. For trailers
5.4
Programming of Replacement Sensor
Step 1.
Remove replacement sensor’s outer cap and inner cover using a spanner wrench.
Step 2.
Press “Prog” button for 8 seconds till you see the outline of the vehicles flashes. Push “Up” or
“Down” button to select the appropriate tyre position and “LRN” will flash. (fig.5.4.1) Push “Prog” button
to confirm. The sign “LRN”, and the outline of the vehicles will stop flashing.
Step 3.
Take the battery out of the sensor for one minute (fig.5.1.4) and insert it back. A series of
learning code will be transmitted by the sensor. After the sensor is learned the monitor buzzer will beep
twice.
Pressure display field shows “End”.
Step 4.
Press “Set” button to exit Learning mode. The monitor goes back to working mode. (fig.5.4.2)
Step 5.
Put the inner sensor cover back. The senor is ready for installation onto the appropriate tyre
position (refer to: Sensor Installation).
fig.5.4.1
fig.5.4.2
