Kia Sportage: Engine Control System / ETC (Electronic Throttle Control) System Repair procedures

Kia Sportage QL (2015-2019) Service Manual / Engine Control / Fuel System / Engine Control System / ETC (Electronic Throttle Control) System Repair procedures

Inspection
Throttle Position Sensor (TPS)
1.
Connect the KDS/GDS on the Data Link Connector (DLC).
2.
Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T.
Throttle Angle(°)
Output Voltage (V) [Vref = 5V]
TPS1
TPS2
0
0.0
5.0
10
0.48
4.52
20
0.95
4.05
30
1.43
3.57
40
1.90
3.10
50
2.38
2.62
60
2.86
2.14
70
3.33
1.67
80
3.81
1.19
90
4.29
0.71
100
4.76
0.24
105
5.0
0
C.T (6 - 15°)
0.29 - 0.71
4.29 - 4.71
W.O.T (93 - 102°)
4.43 - 4.86
0.14 - 0.57

ETC Motor
1.
Turn the ignition switch OFF.
2.
Disconnect the ETC module connector.
3.
Measure resistance between the ETC module terminals 3 and 6.
4.
Check that the resistance is within the specification.
Specification: 0.3 - 100 [20°C(68°F)]
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the resonator and the air intake hose (Refer to “Intake And Exhaust System” in EM group).
3.
Disconnect the ETC module connector (A).
4.
Disconnect the coolant hoses (B).
5.
Remove the ETC module (C) after loosening the mounting bolts.
Electronic Throttle Control (ETC) Module mounting bolt :
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Cleaning
1.
Remove the ETC Module.
(Refer to Engine Control System - "ETC System")
2.
Keep the ETC module plate (A) as open status.

3.
Clean the pollutant in the throttle body with a soft cloth moistened by cleaning fluid.

  
Do not spray cleaning fluid to ETC module directly and use a lint free cloth moistened by cleaning fluid.
Be careful not to clean the coating fluid around the shaft. If coating fluid is removed, idling control failure might occur by foreign substance inflow or excessive air leakage.
4.
After cleaning, re-install the ETC module and then perform the ETC module learning procedure.
(Refer to Engine Control System - "ETC System" - Adjustment)
Installation
  
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
1.
Install in the reverse order of removal.
Adjustment
ETC module learning procedure
Be sure to perform the ETC module learning procedure when replacing or re-installing the ETC module.
1.
Wait for 1 minute with the ignition switch ON.
2.
Start the engine and hold the idle status for 15 minutes.
3.
Waif for 1 minute with the ignition switch OFF.
4.
Restart the engine, check that the idle speed is stable.
  
If not performing the ETC module learning procedure after replacing or re-installing, MIL illumination with DTCs might occur.
ETC (Electronic Throttle Control) System Schematic diagrams
Circuit Diagram Harness Connector ...

ETC (Electronic Throttle Control) System Troubleshooting
Fail-Safe Mode Item Fail-Safe ETC Motor Throttle valve stuck at 5° TPS TPS 1 fault ECM ...

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