Hyundai Elantra: Engine Control / Fuel System / Specifications
Hyundai Elantra (CN7) 2021-2025 Service Manual / Engine Control / Fuel System / Specifications
| Specifications |
Fuel Delivery System
|
Items
|
Specification
| |
| Fuel Tank | Capacity [L (U.S.gal., U.S.qt., lmp.qt.)] | 47 (12.4, 49.6, 41.3) |
| Fuel Filter | Type | Paper type |
| Fuel Pressure | Low Pressure Fuel Line [kPa (kgf/cm², psi)] | 353.0 - 500.1 (3.6 - 5.1, 51.2 - 72.5) |
| High Pressure Fuel Line [MPa (kgf/cm², psi)] | 2.0 - 35 (20.4 - 357.0, 290 - 5077) | |
| Fuel Pump | Type | Electrical, in-tank type |
| Driven by | Electric motor | |
| High Pressure Fuel Pump | Type | Mechanical type |
| Driven by | Camshaft | |
Sensors
| Manifold Absolute Pressure Sensor (MAPS) |
▷ Type : Piezo-Resistive Pressure Sensor type
▷ Specification
|
Pressure
[kPa (kgf/cm², psi)] |
Output Voltage (V)
[Vref = 5.0V] |
| 10 (0.10, 1.45) | 0.5 |
| 40 (0.40, 5.80) | 0.91 |
| 80 (0.81, 11.60) | 1.47 |
| 120 (1.22, 17.40) | 2.02 |
| 160 (1.63, 23.20) | 2.57 |
| 200 (2.03, 29.00) | 3.12 |
| 220 (2.24, 31.90) | 3.4 |
| 240 (2.44, 34.80) | 3.67 |
| 280 (2.85, 40.61) | 4.22 |
| 300 (3.05 43.51) | 4.5 |
| Intake Air Temperature Sensor (IATS) |
▷ Type : Termistor type
▷ Specification
|
Temperature [°C (°F)]
|
Resistance (kΩ)
|
| -40 (-40) ± 1 | 38.88 - 50.78 |
| -20 (-4) ± 1 | 13.20 - 16.84 |
| 0 (32) ± 1 | 5.12 - 6.13 |
| 20 (68) ± 1 | 2.20 - 2.70 |
| 25 (77) ± 1 | 1.81 - 2.22 |
| 40 (104) ± 1 | 1.02 - 1.28 |
| 60 (140) ± 1 | 0.52 - 0.66 |
| 80 (176) ± 1 | 0.28 - 0.36 |
| 100 (212) ± 1 | 0.16 - 0.22 |
| 120 (248) ± 1 | 0.10 - 0.14 |
| 130 (266) ± 1 | 0.08 - 0.11 |
| 150 (302) ± 1 | 0.05 - 0.08 |
| Ambient Temperature Sensor (ATS) |
▷ Type : Termistor type
▷ Specification
|
Temperature [°C (°F)]
|
Resistance (kΩ)
|
| -40 (-40) | 841.2 - 1019.3 |
| -20 (-4) | 263.8 - 306.5 |
| 0 (32) | 92.4 - 102.8 |
| 10 (50) | 57.0 - 62.2 |
| 20 (68) | 36.2 - 38.8 |
| 40 (104) | 15.3 - 16.7 |
| 50 (122) | 10.3 - 11.4 |
| 60 (140) | 7.1 - 8.0 |
| 80 (176) | 3.5 - 4.0 |
| Boost Pressure Sensor (BPS) |
▷ Type : Piezo-Resistive Pressure Sensor type
▷ Specification
|
Pressure
[kPa (kgf/cm², psi)] |
Output Voltage (V)
[Vref = 5.0V] |
| 10 (0.10, 1.45) | 0.5 |
| 40 (0.40, 5.80) | 0.91 |
| 80 (0.81, 11.60) | 1.47 |
| 120 (1.22, 17.40) | 2.02 |
| 160 (1.63, 23.20) | 2.57 |
| 200 (2.03, 29.00) | 3.12 |
| 220 (2.24, 31.90) | 3.4 |
| 240 (2.44, 34.80) | 3.67 |
| 280 (2.85, 40.61) | 4.22 |
| 300 (3.05 43.51) | 4.5 |
| Oil Pressure Sensor (OPS) |
▷ Type : Piezo-Resistive Pressure Sensor type
▷ Specification
|
Pressure [kPa (kgf/cm², psi)]
|
Output Voltage (V)
[Vref = 5.0V] |
| 50 (0.5, 7.25) | 0.3 |
| 100 (1.01, 14.5) | 0.5 |
| 600 (6.11, 87.02) | 2.5 |
| 1100 (11.21, 159.54) | 4.5 |
| CVVT Oil Temperature Sensor (OTS) |
▷ Type : Termistor type
▷ Specification
|
Temperature [°C (°F)]
|
Resistance (kΩ)
|
| -40 (-40) | 125.53 - 136.70 |
| -20 (-4) | 63.89 - 71.23 |
| 0 (32) | 26.83 - 30.07 |
| 20 (68) | 11.13 - 12.48 |
| 40 (104) | 4.89 - 5.50 |
| 60 (140) | 2.32 - 2.61 |
| 80 (176) | 1.17 - 1.32 |
| 100 (212) | 0.63 - 0.71 |
| 120 (248) | 0.37 - 0.41 |
| 140 (284) | 0.22 - 0.25 |
| 160 (320) | 0.14 - 0.16 |
| Engine Coolant Temperature Sensor (ECTS) |
▷ Type : Termistor type
▷ Specification
|
Temperature [°C (°F)]
|
Resistance (kΩ)
|
| -40 (-40) | 41.74 - 54.54 |
| -30 (-22) | 23.54 - 29.94 |
| -20 (-4) | 14.13 - 16.83 |
| -10 (14) | 8.39 - 10.22 |
| 0 (32) | 5.28 - 6.29 |
| 10 (50) | 3.42 - 4.00 |
| 20 (68) | 2.31 - 2.59 |
| 30 (86) | 1.55 - 1.86 |
| 40 (104) | 1.08 - 1.21 |
| 50 (122) | 0.77 - 0.85 |
| 60 (140) | 0.56 - 0.61 |
| 70 (158) | 0.41 - 0.44 |
| 80 (176) | 0.31 - 0.33 |
| 90 (194) | 0.23 - 0.25 |
| 100 (212) | 0.18 - 0.19 |
| Throttle Position Sensor (TPS) [integrated into ETC Module] |
▷ Type : IC Rotation Sensor type
▷ Specification
| Crankshaft Position Sensor (CKPS) |
▷ Type : Magnetic field sensitive type
| Camshaft Position Sensor (CMPS) |
▷ Type : Hall effect type
| Knock Sensor (KS) |
▷ Type : Piezo-electricity type
▷ Specification
|
Item
|
Specification
|
| Capacitance (pF) | 850 - 1150 |
| Resistance (MΩ) | R > 1 |
| Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] |
▷ Type : Zirconia (ZrO2) [Linear] type
▷ Specification
|
Item
|
Specification
|
| Heater Resistance (Ω) | Approx. 2.5 [20°C (68°F)] |
| Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] |
▷ Type : Zirconia (ZrO2) [Binary] type
▷ Specification
|
Item
|
Specification
|
| Heater Resistance (Ω) | Approx. 3.0 [20°C (68°F)] |
| Rail Pressure Sensor (RPS) |
▷ Type : Piezo-electric type
▷ Specification
| EWGA Position Sensor [integrated into EWGA] |
▷ Type : Hall effect type, Non-Contact type
▷ Specification
|
Position
|
Output Voltage [V]
|
Operating Angle [°]
|
Range [mm]
|
| Mechanical Closed Position | 4.8 | 1 | 0 |
| Electrical Closed Position | 4.2 | 12 | 1.8 |
| Electrical Open Position | 1 | 79 | 16 |
| Mechanical Open Position | 0.5 | 90 | 19 |
| Accelerator Position Sensor (APS) |
▷ Type : Variable Resistor type
▷ Specification
|
Accelerator Position
|
Output Voltage [V]
| |
|
APS1
|
APS2
| |
| C.T | 0.7 - 0.8 | 0.33 - 0.43 |
| W.O.T | 3.98 - 4.22 | 1.93 - 2.17 |
Actuators
| Injector |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 1.19 - 1.31 [20°C (68°F)] |
| ETC Motor [integrated into ETC Module] |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 1.29 - 1.57 [20°C (68°F)] |
| Purge Control Solenoid Valve (PCSV) |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 14.21 - 14.79 [23°C (73°F)] |
| Variable Force Solenoid (VFS) [Bank 1/ Intake, Exhaust] |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 5.2 - 5.9 [20°C (68°F)] |
| Operating Voltage (V) | 10 - 16 |
| Fuel Pressure Control Valve |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 0.53 - 0.58 [20°C (68°F)] |
| EWGA DC Motor [integrated into EWGA] |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 1.44 - 1.96 [21°C (69.8°F)] |
| RCV Control Solenoid Valve |
▷ Specification
|
Item
|
Specification
|
| Coil Resistance (Ω) | 28.3 - 31.1 [20°C (68°F)] |
| Service Standard |
|
Item
|
Specification
| ||
| Lighting timing (°) | BTDC 2 ± 10 | ||
| Idling Speed (rpm) | A/CON OFF | Neutral, N, P-Stage | 630 ± 100 |
| D-Stage | 630 ± 100 | ||
| A/CON ON | Neutral, N, P-Stage | 700 ± 100 | |
| D-Stage | 680 ± 100 | ||
Troubleshooting
Basic TroubleshootingBasic Troubleshooting GuideCustomer Problem Analysis SheetBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low...
Special service tools
Special Service Tools
Tool Name / Number
Illustration
Description
Fuel Pressure Gauge09353-24100Used for measuring the pressure in fuel lineFuel Pressure Gauge Adapter09353-02100 Used for connecting between delivery and fuel feed tube to measure the pressure in fuel line Heated Oxygen Sensor Socket Wrench09392-1Y100Use..
Other information:
Hyundai Elantra (CN7) 2021-2025 Service Manual: Troubleshooting
Engine Overheat Troubleshooting Inspection Remedy Visual inspectionInspect for shortage of coolant in reservoir tank .Reinspect after replenishing coolant.Inspect for coolant pollution after removing radiator cap.Reinspect after replacing coolant. • Be careful when removing ..
Hyundai Elantra (CN7) 2021-2025 Service Manual: Components and components location
Component Location1. Integrated body control unit (IBU) 2. Ultrasonic sensor..
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Front seat
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Your vehicle is equipped with a side air bag in each front seat. The purpose of the air bag is to provide the vehicle’s driver and the front passenger with additional protection than that offered by the seat belt alone.
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