WABCO OptiTire System Description page 76

Workshop notes
NO.
5b Activation of the external sensor WM2 with bar magnet or the
internal sensors WIS and SMS with the WABCO TPMS Manager
(WIS) is not successful.
6 In the display the sensor is indicated with a crossed-out battery
symbol.
7a During diagnosis, only one bar is displayed on the sensor in the
module reception test, even if the wheel is turned.
7b During diagnosis, no bar is displayed on the sensor in the module
reception test, even if the wheel is turned.
Test result
Sum between 0 and 11 points
The battery of the sensor is in order. The loss of the sensor from time to time might be caused by very
low temperatures, contamination of sensor / ECU or an unfavourable installation position of the ECU.
Sum between 12 and 15 points
– Monitor the correct reception of the sensor and replace as required.
Sum between 16 and 22 points
Battery of sensor exhausted.
– Replace the sensor with a new one.
– Parameterise ID of the sensor to the ECU via diagnosis.
76
DESIGNATION DEFAULT RESULT
4
4
10
12
Total