Hyundai Ioniq (AE): Engine Control System / Knock Sensor (KS). Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Control/Fuel System / Engine Control System / Knock Sensor (KS). Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
3.
Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Installation
   
•
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.
1.
Install in the reverse order of removal.
Knock sensor installation bolt :
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

    Circuit Diagram

    DescriptionHeated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Intake Actuator. Components and components location

    C

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: High voltage shut-off procedures

    High Voltage Shut-off Procedures    â€¢ Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

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