Kia Cadenza YG: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Engine Control / Fuel System / Engine Control System / 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 3 and 4.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the connector (A), and then remove the sensor (B).
   
Note that the SST (Part No : 09392-1Y100 or 09392-2H100) is useful when removing the heated oxygen sensor.
[Bank 1/Sensor 1]

[Bank 1/Sensor 2]

[Bank 2/Sensor 1]

[Bank 2/Sensor 2]

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.
   
•
DON’T use a cleaner, spray, or grease to sensing element and connector of the sensor because oil component in them may malfunction the sensor performance.
•
Sensor and its wiring may be damaged in case of contacting with the exhaust system (Exhaust Manifold, Catalytic Converter, and so on).
1.
Install in the reverse order of removal.
Heated oxygen sensor installation:
35.3 ~ 45.1 N.m (3.6 ~ 4.6 kgf.m, 26.0 ~ 33.3 lb-ft)

    Circuit Diagram

    Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Immobilizer Control Unit Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening the bolt. Installation 1.

    Kia Cadenza YG 2016-2021 Service Manual: Specifications

    Specification Air Conditioner ItemSpecificationCompressorType6VSX16Oil type & CapacityPAG OIL 100±10Pulley type6PK-TYPEDisplacement160cc/revCondenserHeat rejection14,400 ±5% kcal/hrA/C Pressure transducerThe method to measure the pressureVoltage= 0.

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