Hyundai Sonata LF: Engine Control / Fuel System / Engine Control System

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System

Troubleshooting

Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low...

Description and Operation

OBD-II review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year...

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Hyundai Sonata LF 2014-2019 Service Manual: Engine Control Module (ECM) Repair procedures


Removal     When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure as below. [In the case of installing used ECM] 1. Perform "Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group) 2...

Hyundai Sonata LF 2014-2019 Service Manual: Temperature Control Actuator Description and Operation


Description The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch...

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