Hyundai Ioniq (AE): Engine Control System / CVVT Oil Control Valve (OCV). Repair procedures
| 1. | Turn the ignition switch OFF. |
| 2. | Disconnect the OCV connector. |
| 3. | Measure resistance between the OCV terminals 1 and 2. |
| 4. | Check that the resistance is within the specification. Specification : Refer to "Specification" |
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[CVVT Oil Control Solenoid (Intake)]
| 1. | Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. | Disconnect the CVVT oil control solenoid (A). |
| 3. | Remove the installation bolt (B), and then remove the CVVT oil control solenoid from the enigne. 
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[CVVT Oil Control Valve (Exhaust)]
| 1. | Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. | Remove the air cleaner assembly (Refer to Engine Mechanical System - "Air Cleaner") |
| 3. | Disconnect the CVVT oil control solenoid (A). |
| 4. | Remove the installation bolt (B), and then remove the CVVT oil control solenoid from the enigne. 
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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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| Apply engine oil to the valve O-ring. |
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| 1. | Install in the reverse order of removal. CVVT Oil control valve installation bolt : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft) |
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Other information:
Service Point Target Auto Calibration (SPTAC)When you need calibration :–
Front view camera is removed and mounted–
Replace front view camera with a new one –
Windshield glass changed–
Front view camera coupler of the windshield glass is deformedService Point T
Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2
Trouble symptom
Probable cause
Remedy
The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se