Hyundai Accent (HC): Engine Control System / Components and Components Location

- Components Location

1. ECM (Engine Control Module)
2. Mass Air Flow Sensor (MAFS)
3. Manifold Absolute Pressure Sensor (MAPS)
4. Intake Air Temperature Sensor (IATS)
5. Engine Coolant Temperature Sensor (ECTS) #1
6. Engine Coolant Temperature Sensor (ECTS) #2
7. Throttle Position Sensor (TPS) [integrated into ETC Module]
8. Crankshaft Position Sensor (CKPS)
9. Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
10. Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
11. Knock Sensor (KS)
12. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
13. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
14. Accelerator Position Sessor (APS)
15. A/C Pressure Transducer (APT)
16. Fuel Tank Pressure Sensor (FTPS)
17. ETC Motor [integrated into ETC Module]
18. Injector
19. Purge Control Solenoid Valve (PCSV)
20. Variable Force Solenoid (VFS) [Bank 1 / Intake]
21. Variable Force Solenoid (VFS) [Bank 1 / Exhaust]
22. CVVT Oil Control Valve (OCV) [Bank 1 / Intake]
23. CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust]
24. Variable Intake Solenoid (VIS) Valve
25. Electric EGR Control Valve
26. Thermal Management Module (TMM) Motor
27. Canister Close Valve (CCV)
28. Ignition Coil
29. Main Relay
30. Fuel Pump Relay
31. Data Link Connector (DLC) [16-Pin]
32. Multi-Purpose Connector [6-pin]


1. ECM (Engine Control Module)2. Mass Air Flow Sensor (MAFS)

3. Manifold Absolute Pressure Sensor (MAPS)
4. Intake Air Temperature Sensor (IATS)
5. Engine Coolant Temperature Sensor (ECTS) #1

6. Engine Coolant Temperature Sensor (ECTS) #27. Throttle Position Sensor (TPS) [integrated into ETC Module]
17. ETC Motor [integrated into ETC Module]

8. Crankshaft Position Sensor (CKPS)9. Camshaft Position Sensor (CMPS) [Bank 1 / Intake]

10. Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]11. Knock Sensor (KS)

12. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]13. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]

14. Accelerator Position Sessor (APS)15. A/C Pressure Transducer (APT)

16. Fuel Tank Pressure Sensor (FTPS)18. Injector

19. Purge Control Solenoid Valve (PCSV)20. Variable Force Solenoid (VFS) [Bank 1 / Intake]

21. Variable Force Solenoid (VFS) [Bank 1 / Exhaust]22. CVVT Oil Control Valve (OCV) [Bank 1 / Intake]
23. CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust]

24. Variable Intake Solenoid (VIS) Valve25. Electric EGR Control Valve

26. Thermal Management Module (TMM) Motor 27. Canister Close Valve (CCV)

28. Ignition Coil27. Main Relay
28. Fuel Pump Relay

31. Data Link Connector (DLC) [16-Pin]32. Multi-Purpose Connector [6-pin]


Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications

- Specifications Smart Key Unit ItemsSpecification Rated voltageDC 12V Operating voltageDC 9 - 16V Operating temperature-22°F to 167°F (-30°C to 75°C) LoadMax. 4mA (When welcome light function off) RF Receiver ItemsSpecification Frequency433.92 Mhz Antenna typeFSK (Frequency Shift Keying) Smart Key Fob ItemsSpecification BatteryLithium battery 3V 1EA Distance30m from vehicle, RF : 30m, Passive(LF) : 0.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Troubleshooting

- Troubleshooting SymptomSuspected AreaRemedy  Abnormal noiseOil level (Low)To adding oil after inspect the parts (Oil seal, Drain plug, filler plug). Oil (Wrong)Replace the oil. Synchronizer ring (Worn or damaged)Replace the synchronizer ring. Gear (Worn or damaged)Replace the gear. Bearing (Worn or damaged)Replace the bearing. Oil leakOil level (High)Inspect the oil level.

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