Hyundai Sonata: Engine Control System / ETC (Electronic Throttle Control) System Repair procedures
Throttle Position Sensor (TPS)
| 1. |
Connect the 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.
Specification: Refer to “Specification”
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|
ETC Motor
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the ETC module connector. |
| 3. |
Measure resistance between the ETC module terminals 1 and 2. |
| 4. |
Check that the resistance is within the specification.
Specification: Refer to “Specification”
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Remove the resonator and the air intake hose.
(Refer to Engine Mechanical System - “Air Cleaner”) |
| 3. |
Disconnect the ETC module connector (A). 
|
| 4. |
Remove the installation bolts, and then remove the ETC module (A) from the engine. 
|
| • |
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. |
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| 1. |
Install in the reverse order of removal.
Electronic throttle body Installation bolt:
7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.7 ~ 7.2 lb-ft)
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| ETC module learning procedure |
When installing new ETC module or re-installing it, ETC module learning procedure must be performed.
| 1. |
Hold the ignition key or the start button at th IG ON position during 5 seconds. |
| 2. |
Turn ignition swich OFF and then start the engine. |
|
DTC codes (P0638, P2110) might be displayed if ETC module learning procedure does not performed after replacing ETC module. |
Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density
type sensor and is installed on the surge tank. It senses absolute
pressure of the surge tank and transfers the analog si ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: LCD Modes
Shift to P to edit settings
This warning message illuminates if you try to select the other User Settings
item when driving.
For safety, change the User Settings after parking the vehicle and moving the
shift lever to P (Park) position.
Quick guide (Help, if equipped)
Press and hold the OK butto ...
Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Manifold Catalytic
Converter. The sensor output voltage varies in accordance with the
air/fuel ratio.
The sensor must be hot in order to operate normally. To keep ...
ETC (Electronic Throttle Control) System Schematic Diagrams
Manifold Absolute Pressure Sensor (MAPS) Description and Operation