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: Smart Key Unit

- Components Connector Pin Information NoConnector AConnector BConnector C 1-IGN 2 Relay outputBattery (+) 2SSB Switch 1 inputP CAN Low- 3Driver outside handle switch inputP CAN HighImmobilizer antenna power output 4-B CAN HighOutside handle antenna driver power output 5-B CAN LowOutside handle antenna assist power output 6-SSB Illumination (amber) outputBumper antenna power output 7RPM input-Interior antenna 1 power output 8Start feedback inputSSB Illumination (+) outputInterior a

Hyundai Accent (HC) (2017 - 2022) Service Manual: Cylinder Head

- Removal     • Use Fender cover to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it. • When handling a metal gasket, take care not to fold the gasket or damage the contact surface of the gasket. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.

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