Kia Stinger: Suspension System / Tire Pressure Monitoring System

Kia Stinger CK 2018-2020 Service Manual / Suspension System / Tire Pressure Monitoring System

Components and components location
Components

1. IBU(TPMS)
2. TPMS sensor (FL)
3. TPMS sensor (RL)
4. TPMS sensor (RR)
5. TPMS sensor (FR)

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.

Indicates that tire needs to be re-inflated to specified pressure / repaired.

2.

Turn off condition

Under-inflation : When tire pressure is above [warning threshold + hysteresis].

Rapid Leak : When tire pressure is above [leak warning threshold].

DTC Warning

1.

Turn on condition

When the system detects a fault outside 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 'critical', then the lamp stays 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 driver's 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 stay 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.

System Fault

1.

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.

Up to 15 faults can be saved.

Certain faults are not covered through DTC. These include:

a.

Sensor thermal shutdown (over 257°F/125°C).

b.

Stuck Ignition Line: requires observation of lamps at Ignition ON to diagnose.

Troubleshooting
TPMS Inspection method

Inspection
  

Find the inspection number by referring to the table above.

The following content is irrelevant of the inspection procedure.

1.

Warning lamp types

Keeps on without blinking : Low pressure tire warning lamp

Flashes at 0.5 second intervals constantly : Initial state warning lamp

Cluster blinks for 1 minute at 1 second intervals, then turns ON : Error code warning lamp

  

Turn IG OFF and then IG ON again to check the warning light type.

2.

(1) Check the warning lamp state.

Check the vehicle warning lamp state.

Check if the warning lamp state is caused by tire low pressure.

Symptom : Keeps on without blinking

3.

(2) Check the warning lamp state.

Check the vehicle warning lamp state.

Check if the warning lamp state is caused by the initial state (virgin mode) of TPMS receiver.

Symptom : Flashes at 0.5 second intervals constantly.

4.

(3) Check the warning lamp state.

Check the vehicle warning lamp state.

Check if the warning lamp state is caused by error code (TPMS receiver & TPMS sensor failure).

Symptom : Cluster blinks for 1 minute at 1 second intervals, then turns ON.

5.

Low tire pressure warning lamp

Cold : Vehicle kept for more than 60 minutes after stopping.

→ 0.07 kgf/cm² (1.0 psi) additional injection at the specified tire pressure.

Hot : Driven vehicle

→ 0.28 kgf/cm² (4.0 psi) additional injection at the specified tire pressure.

  

In case the warning lamp fails to turn OFF after injecting tire pressure, disconnect the KDS/GDS and drive less than 1 km at 25 km/h.

6.

Inspect initial state warning lamp

A.

TPMS warning lamp

(1) Check the TPMS warning lamp status.

(2)Flashes at 0.5 second intervals constantly. -> Initial state warning lamp

  

Turn IG OFF and then IG ON again to check the warning lamp type.

B.

Items to check in case of blinking warning lamp

(1) Enter sensor ID.

(Refer to TPMS Receiver - "Repair procedures")

(2) Enter vehicle name.

(Refer to TPMS Receiver - "Repair procedures")

(3) Enter VIN.

(Refer to TPMS Receiver - "Repair procedures")

(4) Change TPMS ECU mode (to Standard mode).

7.

DTC checklist for performance test.

  

Be sure to check DTC.

(Refer to DTC manual - "Tire Pressure Monitoring")

If the TPMS warning light does not turn on : TPMS sensor periodically learns the sensor through driving.

If the TPMS warning light turns on : Replace TPMS sensor, TPMS receiver.

Alignment
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TPMS Sensor
Description and operation Description 1. Function • By detecting the pressure, temperature, acceleration, and battery condition, tra ...

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