Hyundai Santa Fe (TM): 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.
Tightening Torque :
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

Installation
  
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Installation is reverse of removal.

    Circuit Diagram Harness Connector

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

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Rear Occupant Alert

    Description and operation Description The system detects the passenger in the vehicle and prevents the driver from getting off the vehicle with the passenger in the back. - 1st warning: If you open the driver's door after you open and then close the rear passenger and turn the engine off, the system provides warn

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Immobilizer System

    Description and operation Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

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