Hyundai Elantra: Engine Control System / Injector Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Engine Control System / Injector Description and Operation

Description

Based on information from various sensors, the ECM can calculate the fuel amount to be injected. The fuel injector is a solenoid-operated valve and the fuel injection amount is controlled by length of injection time. The ECM controls each injector by grounding the control circuit. When the ECM energizes the injector by grounding the control circuit, the circuit voltage should be low (theoretically 0V) and the fuel is injected. When the ECM de-energizes the injector by opening control circuit, the fuel injector is closed and circuit voltage should momentarily peak.

Fuel Tank Pressure Sensor (FTPS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the FTPS. Specification : Refer to "Specification" Removal 1. Turn the ignition swi ...

Injector Specifications

Specification ItemSpecificationCoil Resistance (?)13.8 ~ 15.2 [20°C(68°F)] ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: System Malfunction
Check Driver Attention Warning (DAW) system When the warning message appears, the system is not working properly. In this case, have the vehicle inspected by an authorized HYUNDAI dealer. WARNING The Driver Attention Warning system is not a substitute for safe driving practices, but a c ...

Hyundai Elantra AD (2016-2020) Service Manual: Smart Cruise Control Unit Description and Operation
Description The smart cruise control unit is installed on the front of the chassis.A radar sensor is embedded in the front section of the unit. This sensor detects vehicles and objects in front of the vehicle. The alarm goes off when the vehicle deviates from the horizontal and vertical a ...