Hyundai Elantra: 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)] HO2S [Bank 1/Sensor 2] (Binary type) A/F Ratio (?)Output Voltage(V)RICH0.6 ~ 1 ...

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]. Measure resistance between the HO2S termina ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: ATF Warmer Repair procedures
Removal 1. Remove the under cover. (Refer to Engine Mechanical System - "Engine room under cover") 2. Loosen the drain plug and drain the engine coolant. (Refer to Cooling System - "Coolant") 3. Disconnect the cooling hose (A) after separated the clamp. 4. Disconnect the hose (A ...

Hyundai Elantra AD (2016-2020) Service Manual: Alternator Schematic Diagrams
Circuit Diagram     • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or higher, low voltage: 2V or lower) • FR signal - The transistor activation signal inside t ...