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Tire Under Inflation / Leak Warning.
Tire Under Inflation / Leak Warning.
Turn on condition
When tire pressure is below allowed threshold
Over 20kpa per min.
Turn off condition
When tire pressure is above(warning threshold + hysteresis).
When tire pressure leakage is less than 3 psi per min.
Turn on condition
When the system detects a fault that is external to the receiver / initator / sensor.
When the system detects a receiver fault.
When the system detects a sensor fault.
General Function
The system monitors a number of inputs across time in order to determine that a fault exists.
Faults are prioritized according to which has the most likely cause.
Certain faults are not covered through DTC. The main ones are:
Receiver Micro-controller lock up ; requires observation of lamps at Ignition ON to diagnose. Ignition Line stuck ; requires observation of lamps at Ignition ON to diagnose. |
