| Circuit diagram |

Variable Charge Motion Actuator (VCMA) Specifications
Variable Charge Motion Actuator (VCMA) Repair proceduresHyundai Elantra AD (2016-2020) Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the HO2S connector.
3.
Measure resistance between the HO2S terminals 2 and 5 [B1/S1].
Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
4.
Check that the resistance is within the specification.
Specification : ...
Hyundai Elantra AD (2016-2020) Service Manual: Exhaust Manifold Repair procedures
Removal and Installation
1.
Remove the engine cover.
(Refer to Engine And Transaxle Assembly - “Engine Cover”)
2.
Disconnect the battery negative terminal.
3.
Disconnect the oxygen sensor connectors (A).
4.
Remove the engine room under cover.
(Refer to Engine And Transaxle Asse ...