Hyundai Elantra: Engine Control System / Components and Components Location
| Components Location |
| 1. Engine Control Module (ECM) 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) 4. Engine Coolant Temperature Sensor (ECTS) 5. Throttle Position Sensor (TPS) [integrated into ETC Module] 6. Crankshaft Position Sensor (CKPS) 7. Camshaft Position Sensor (CMPS) [Bank 1 / Intake] 8. Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] 9. Knock Sensor (KS) 10. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] 11. Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] 12. Accelerator Position Sensor (APS) 13. Fuel Tank Pressure Sensor (FTPS) 14. Fuel Level Sensor (FLS) 15. A/C Pressure Transducer (APT) | 16. ETC Motor [integrated into ETC Module] 17. Injector 18. Purge Control Solenoid Valve (PCSV) 19. CVVT Oil Control Valve (OCV) [Bank 1 / Intake] #1 20. CVVT Oil Control Valve (OCV) [Bank 1 / Intake] #2 21. CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust] 22. Variable Intake Solenoid (VIS) Valve 23. Variable Charge Motion Actuator (VCMA) 24. Canister Close Valve (CCV) 25. Ignition Coil 26. Main Relay 27. Fuel Pump Relay 28. Data Link Connector (DLC) [16-Pin] 29. Multi-Purpose Check Connector [20-Pin] |
| 1. Engine Control Module (ECM) | 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) |
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| 4. Engine Coolant Temperature Sensor (ECTS) | 5. Throttle Position Sensor (TPS) 16. ETC Motor |
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| 6. Crankshaft Position Sensor (CKPS) | 7. Camshaft Position Sensor (CMPS) [Bank 1 / Intake] 8. Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
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| 9. Knock Sensor (KS) | 10. Heated Oxygen Sensor (HO2S) [Bank1/Sensor1] |
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| 11. Heated Oxygen Sensor (HO2S) [Bank1/Sensor2] | 12. Accelerator Position Sensor (APS) |
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| 13. Fuel Tank Pressure Sensor (FTPS) | 14. Fuel Level Sensor (FLS) |
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| 15. A/C Pressure Transducer (APT) | 17. Injector 25. Ignition Coil |
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| 18. Purge Control Solenoid Valve (PCSV) | 19. CVVT Oil Control Valve (OCV) [Bank 1 / Intake] #1 |
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| 20. CVVT Oil Control Valve (OCV) [Bank 1 / Intake] #2 | 21. CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust] |
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| 22. Variable Intake Solenoid (VIS) Valve | 23. Variable Charge Motion Actuator (VCMA) |
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| 24. Canister Close Valve (CCV) | 26. Main Relay 27. Fuel Pump Relay |
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| 28. Data Link Connector (DLC) [16-Pin] | 29. Multi-Purpose Check Connector [20-Pin] |
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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. The first ...
Engine Control Module (ECM) Schematic Diagrams
ECM Terminal And Input/Output signal
Harness Connector
ECM Terminal Function
Connector [C300-A]
Pin No.DescriptionConnected to1- 2ETC Motor [+] control outputETC Motor3- 4Motor [-] control o ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Warning Lamp Activation
Warning Lamp Behavior after Ignition On
As soon as the operating voltage is applied to the SRSCM
ignition input, the SRSCM activates the warning lamp for a LED lamp
check.
The lamp shall turn on for 6 seconds during the initialization phase and be turned off afterw ...
Hyundai Elantra AD (2016-2020) Service Manual: CVVT Oil Control Valve (OCV) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance between the OCV terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification : Refer to "Specification"
Removal
1.
Turn the ignition switch OF ...
