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:
DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the contr
System Block DiagramComponent Parts and Function Outline
Component part
Function
Vehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.VCUReceives signals from sensor and control switches.
