Hyundai Elantra: Engine Control System / Knock Sensor (KS) Repair procedures
| Removal |
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the knock sensor connector (A).
|
| 3. |
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold") |
| 4. |
Remove the installation bolt (A), and then remove the sensor from the cylinder block.
|
| Installation |
|
| 1. |
Installation is reverse of removal.
|
Knock Sensor (KS) Schematic Diagrams
Circuit Diagram
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Heated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Catalytic
Converter. It varies in accordance with the air/fuel rat ...
Other information:
Hyundai Elantra AD (2016-2020) Owners Manual: Auto Defogging System (Only for Automatic Climate Control System)
Auto defogging reduces the possibility of fogging up the inside of the windshield
by automatically sensing the moisture of inside the windshield.
The auto defogging system operates when the heater or air conditioning is on.
Information
The auto defogging system may not operate normally, when ...
Hyundai Elantra AD (2016-2020) Owners Manual: Sunroof
If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof
with the sunroof control switch located on the overhead console.
The sunroof can only be opened, closed, or tilted when the ignition switch is
in the ON position.
Information
In cold and wet climates, the sunr ...
