Hyundai Ioniq: Engine Control System / Knock Sensor (KS). Description and operation

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Knock Sensor (KS). Description and operation

Description
Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element. When a knock occurs, the sensor produces voltage signal. The ECM retards the ignition timing when knocking occurs. If the knocking disappears after retarding the ignition timing, the ECM will advance the ignition timing. This sequential control can improve engine power, torque and fuel economy.

    Camshaft Position Sensor (CMPS). Repair procedures

    Inspection1.Check the signal waveform of the CMPS and CKPS using the GDS. Specification : Refer to "Wave Form"Removal    • DON’T remove the camshaft position sensor while the engine is running or right after engine is turned off...

    Knock Sensor (KS). Specifications

    S..

    Other information:

    Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Battery (12 Volt, Plug-In Hybrid Vehicle)


    WARNING To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these precautions when working near or handling the battery: Always read and follow instructions carefully when handling a battery. Wear eye protection designed to protect the eyes from acid splashes...

    Hyundai Ioniq (AE) 2017-2025 Service Manual: Muffler. Repair procedures


    Removal and InstallationFront Muffler1.Disconnect the battery negative terminal.2.Disconnect the oxygen sensor connector (A).3.Remove the heat protector (A). Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)4.Remove the front muffler (A)...

    Categories

    Hybrid Vehicle Interior Overview

    Hyundai Ioniq. Hybrid Vehicle Interior Overview

    1. Door lock/unlock button
    2. Driver position memory system
    3. Side view mirror control switch
    4. Central door lock switch

    read more


     
    Copyright © 2025 www.hioniqae.com