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

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

Description
Tread Lamp
–
Tire Under Inflation / Leak Warning.

1.
Turn on condition
•
When tire pressure is below allowed threshold
•
When rapid leak is detected by the sensor.
2.
Turn off condition
•
Under-inflation ; When tire pressure is above (warning threshold + hysteresis).
•
Rapid Leak ; When tire pressure is above (leak warning threshold).
Wheel Location
1.
Turn on condition
•
At the same time as TREAD Lamp.
•
Indicates wheel location where under inflation / leak has occurred.
2.
Turn off condition
•
At the same time as TREAD Lamp.
   
If wheel locations change in between Ignition cycles, then the system assumes the previous Auto-Located position. Once Auto-Location completes on the current Ignition cycle, the correct lamp will be lit.
DTC Warning
1.
Turn on condition
•
When the system detects a fault that is external to the receiver/ sensor.
•
When the system detects a receiver fault.
•
When the system detects a sensor fault.
2.
Turn off condition
•
If the fault is considered as ''critical'', then the lamp is held on throughout the current Ignition cycle (even if the DTC has been demoted). This is because it is important to bring the problem to the drivers attention. On the following Ignition cycle, the demotion conditions will be re-checked. If the demotion conditions occur, the lamp will be turned off. It will be held on until DTC demotion checking is completed.
•
''Non critical'' faults are those that can occur temporarily e.g. vehicle battery under voltage. The lamp is therefore turned off when the DTC demotion condition occurs.
   
•
When driving in high altitude grades, it is natural for the atmospheric pressure to decrease. Therfore, please check the tire pressure and add more air as necessary.
Additionally required tire air pressure per km above sea level : 1.5 psi/km
•
Tire pressure can be decreased naturally due to decrease in ambient temperature (especially in winter). In this case, fill tires with air to the specification if warning lamp is illuminated as this is natural phenomenon.

    Components 1. Receiver2. TPMS sensor (FL)3. TPMS sensor (RL)4. TPMS sensor (RR)5. TPMS sensor (FR)

    TPMS Inspection method Inspection     Find the inspection number by referring to the table above. The following content is irrelevant of the inspection procedure.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Repair procedures

    Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.

    Kia Cadenza YG 2016-2021 Service Manual: Auto defoging actuator Repair procedures

    Inspection 1. Ignition "OFF”. 2. Disconnect the connector of auto defog control actuator. 3. Verify that the auto defog control actuator operates to the defrost ON mode when connecting 12V to the terminal 3 and grounding terminal 7. 4.

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