Kia Cadenza YG: Tire Pressure Monitoring System / TPMS Receiver Description and Operation

Kia Cadenza YG 2016-2021 Service Manual / Suspension System / Tire Pressure Monitoring System / TPMS Receiver Description and Operation

Operation
1.
General Function
•
Auto-locate/learn takes place only once per Ignition cycle.
•
On successful completion, 4 road wheel sensor ID''s, together with their respective road wheel positions are latched into memory for monitoring.
•
Until Auto-learn completes, previously learned sensors (together with their respective locations) are monitored for under inflation / leak warnings.
•
Spare tire inflation / DTC state is not displayed.
2.
General Conditions to Learn New Sensors:
•
Receiver must Auto-Locate 4 road sensors.
•
Auto-location / learning only functions when speed is more than 20 kph (approx. 15 mph).
•
Receiver must determine that it is confident that sensor is not temporary:
a.
Uses vehicle speed.
b.
Uses confidence reduction of previously learned sensors.
•
Typical time at driving over 20 kph to learn a new sensor is up to 10 minutes.
3.
General Conditions to Un-Learn a sensor that is removed:
•
It takes less than 10 minutes at 20~30kph.
•
Confidence reduction is dependant on vehicle speed and the number of sensors known to the receiver.

    Circuit Diagram Connector pin number Pin No.Pinning1V_BAT_ECU2IG_ON3CAN_High4CAN_Low5GND6NA

    Replacement 1. Disconnect the negative (-) battery cable. 2. Remove the glove box housing. (Refer to Body - "Glove Box Housing") 3. Disconnect the connector.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Blind Spot Detection Radar Calibration Description and Operation

    Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms.

    Kia Cadenza YG 2016-2021 Service Manual: Troubleshooting

    Troubleshooting Examples of False-Alarm Occurrence from system characteristics (It’s not a problem) – Characteristics of EM Wave : EM Waves are reflected against all material and especially metal very well. Reflections of EM Waves are varies with the shape of object.

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