Hyundai Sonata LF: Engine Control System / Heated Oxygen Sensor (HO2S) Schematic Diagrams

Heated Oxygen Sensor (HO2S) Specifications

Specification HO2S [Bank 1/Sensor 1] (Linear type) ItemSpecificationHeater Resistance (?)2.4 ~ 4.0 [20°C(68°F)] ItemSpecificationHeater Resistance (?)Approx...

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 2 and 5 [B1/S1]...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 4. Check that the resistance is within the specification...

Hyundai Sonata LF 2014-2019 Service Manual: Ignition Switch Assembly. Repair procedures

Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Remove the steering column upper & Lower shroud. 4. Remove the ignition switch (A) and disconnecting the Key Warning / immobilizer connector...