Hyundai Ioniq (AE): 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 ignition switch OFF and disconnect the negative (-) battery cable. |
| 2. | Remove the air cleaner assembly (Refer to Engine Mechanical System - "Air Cleaner") |
| 3. | Disconnect the ETC module connector (A). |
| 4. | Remove the ETC module (B) from the engine after loosening the bolts. 
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| Install the component with the specified torques. |
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| 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. |
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Schematic DiagramCircuit Diagram
Other information:
Inspection1.Turn the ignition switch OFF.2.Disconnect the temperature control actuator connector.3.Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7.Verify that the temperature control actuator operates to the warm position when connected in reverse.
Removal
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Put on gloves to prevent hand injuries.
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When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
