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• If the sensor is found to be damaged then it should be replaced with a new one
and manual learning should be done
Sensor Faulty/ Low Battery Alert
The TPMS sensor in the vehicle tyres has an individual battery internal to each
sensor fixed. If the battery level is too low or the sensor by itself is malfunctioning
then the TPMS system shall give this alert.
• If the TPMS sensor low battery/faulty is set then the corresponding position tyres
sensor needs to be removed by carefully opening the tyre and replacing it with a
new sensor
• Post replacing the new sensor, manual learning should be done
12.6.6 TPMS Learning
After tyre rotation or TPMS sensor replacement, the receiver must be learnt, else
the TPMS warning lamp indicates a malfunction.
Mandate Points
Manual learning is the process by which the identities of 5 sensors installed inside
the tyres are learnt and programmed in to the memory of the receiver module.
1. Manual learning should be compulsorily performed on any of the following
conditions or operations done
• Any of the old TPMS sensors are damaged and sensors are replaced
• Any of the tyres are replaced
• If any of the tyres or set of tyres are shuffled or swapped in position
• If tyre rotation operation is performed
• If it is observed that the alert indications in the tyre-tronics screen are not
co-relating with respect to their actual position in the vehicle
2. Once manual learning is initiated, the sensors inside the tyres need to be
triggered by leaking the air from each tyre one at a time and should be
completed within 90 secs post to each event for learning all 5 tyres
3. No two vehicles should be done with manual learning process at a time in
same location within a radius of 20 meters
4. It is mandatory that manual learning of tyres should follow the sequence of
‘front left tyre position, front right tyre, rear right tyre, rear left tyre and spare
tyre’
5. It is required to ensure the tyres have pressure > 32psi and < 36psi before
initiating the manual learning process
6. Post manual learning, all tyres should be filled to the placard pressure value
It is mandatory that manual learning of tyres should follow the sequence of
‘front left tyre position, front right tyre, rear right tyre, rear left tyre and spare
tyre’.
Initiating the Manual Learning Process
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