Kia Optima Hybrid: Engine Control/Fuel System / Specifications
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Control/Fuel System / Specifications
| Specifications |
| Fuel Delivery System |
| Items | Specification | |
| Fuel Tank | Capacity | 65 lit. (17.2 U.S.gal., 68.7 U.S.qt., 57.2 Imp.qt.) |
| Fuel Filter | Type | Paper type |
| Fuel Pressure Regulator | Regulated Fuel Pressure | 333 ~ 353 kPa (3.4 ~ 3.6 kgf/cm?, 48.3 ~ 51.2 psi) |
| Fuel Pump | Type | Electrical, in-tank type |
| Driven by | Electric motor | |
| Sensors |
Manifold Absolute Pressure Sensor (MAPS)
? Type: Piezo-resistive pressure sensor type
? Specification
| Pressure (kPa) | Output Voltage (V) |
| 20.0 | 0.79 |
| 46.7 | 1.84 |
| 101.3 | 4.0 |
Intake Air Temperature Sensor (IATS)
? Type: Thermistor type
? Specification
| Temperature [°C(°F)] | Resistance (k?) |
| -40(-40) | 40.93 ~ 48.35 |
| -20(-4) | 13.89 ~ 16.03 |
| 0(32) | 5.38 ~ 6.09 |
| 10(50) | 3.48 ~ 3.90 |
| 20(68) | 2.31 ~ 2.57 |
| 40(104) | 1.08 ~ 1.21 |
| 50(122) | 1.56 ~ 1.74 |
| 60(140) | 0.54 ~ 0.62 |
| 80(176) | 0.29 ~ 0.34 |
Engine Coolant Temperature Sensor (ECTS)
? Type: Thermistor type
? Specification
| Temperature [°C(°F)] | Resistance (k?) |
| -40(-40) | 48.14 |
| -20(-4) | 14.13 ~ 16.83 |
| 0(32) | 5.79 |
| 20(68) | 2.31 ~ 2.59 |
| 40(104) | 1.15 |
| 60(140) | 0.59 |
| 80(176) | 0.32 |
Throttle Position Sensor (TPS) [integrated into ETC Module]
? Type: Variable resistor type
? Specification
| Throttle Angle(°) | Output Voltage (V) | |
| TPS1 | TPS2 | |
| 0 | 0 | 5.0 |
| 10 | 0.48 | 4.52 |
| 20 | 0.95 | 4.05 |
| 30 | 1.43 | 3.57 |
| 40 | 1.90 | 3.10 |
| 50 | 2.38 | 2.62 |
| 60 | 2.86 | 2.14 |
| 70 | 3.33 | 1.67 |
| 80 | 3.81 | 1.19 |
| 90 | 4.29 | 0.71 |
| 100 | 4.76 | 0.24 |
| 105 | 5.0 | 0 |
| C.T (6~15°) | 0.29 ~ 0.71 | 4.29 ~ 4.71 |
| W.O.T (93~102°) | 4.43 ~ 4.86 | 0.14 ~ 0.57 |
| Item | Resistance (k?) |
| TPS1 | 0.875 ~ 1.625 [20°C(68°F)] |
| TPS2 | 0.875 ~ 1.625 [20°C(68°F)] |
Crankshaft Position Sensor (CKPS)
? Type: Hall effect type
Camshaft Position Sensor (CMPS)
? Type: Hall effect type
Knock Sensor (KS)
? Type: Piezo-electricity type
? Specification
| Item | Specification |
| Capacitance (pF) | 850 ~ 1,150 |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
? Type: Zirconia (ZrO2) [Linear] Type
? Specification
| Item | Specification |
| Heater Resistance (?) | 2.5 ~ 4.0 [20°C(68°F)] |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
? Type: Zirconia (ZrO2) [Binary] Type
? Specification
| A/F Ratio (?) | Output Voltage(V) |
| RICH | Approx. 0.9 |
| LEAN | Approx. 0.04 |
| Item | Specification |
| Heater Resistance (?) | 3.3 ~ 4.1 [21°C(69.8°F)] |
Accelerator Position Sensor (APS)
? Type: Variable resistor type
? Specification
| Accelerator Position | Output Voltage (V) | |
| APS1 | APS2 | |
| C.T | 0.7 ~ 0.8 | 0.29 ~ 0.46 |
| W.O.T | 3.85 ~ 4.35 | 1.93 ~ 2.18 |
Fuel Tank Pressure Sensor (FTPS)
? Type: Piezo - Resistivity type
? Specification
| Pressure [kPa (kgf/cm?, in H2O) | Output Voltage (V) |
| -6.67 (-0.068, -26.8) | 0.5 |
| 0 | 2.5 |
| +6.67 (0.068, 26.8) | 4.5 |
Natural Vacuum Leakage Detection (NVLD)
? Specification
| Item | Current (mA) | |
| Switch open | Switch close | |
| Power supply | Approx. 2.0 | Approx. 3.0 |
| Data line | Approx. 10.0 | - |
| Actuators |
Injector
? Specification
| Item | Specification |
| Coil Resistance (?) | 13.8 ~ 15.2 [20°C(68°F)] |
ETC Motor [integrated into ETC Module]
? Specification
| Item | Specification |
| Coil Resistance (?) | 1.2 ~ 1.8 [20°C(68°F)] |
Purge Control Solenoid Valve (PCSV)
? Specification
| Item | Specification |
| Coil Resistance (?) | 19.0 ~ 22.0 [20°C(68°F)] |
CVVT Oil Control Valve (OCV)
? Specification
| Item | Specification |
| Coil Resistance (?) | 6.9 ~ 7.9 [20°C(68°F)] |
Ignition Coil
? Type: Stick type
? Specification
| Item | Specification |
| 1st Coil Resistance (?) | 0.62 ± 10%[20°C(68°F)] |
| 2nd Coil Resistance (k?) | 7.0 ± 15%[20°C(68°F)] |
Canister Close Valve (CCV)
? Specification
| Item | Specification |
| Coil Resistance (?) | 19.8 ~ 21.8 [20°C(68°F)] |
| Service Standard |
| SOC state | Ignition timing (°) | Lever position | Idle rpm |
| SOC 40% | BTDC 21° ± 10° | D,N,P-Range | 1700 ± 100 rpm |
| SOC 42% | BTDC 18° ± 10° | D,N,P-Range | 1500 ± 100 rpm |
| SOC 43% | BTDC 15° ± 10° | D,N,P-Range | 1300 ± 100 rpm |
| Tightening Torques |
Engine Control System
| Item | kgf.m | N.m | lb-ft |
| ECM mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| ECM bracket mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Manifold absolute pressure sensor mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Crankshaft position sensor mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Crankshaft position sensor protector mounting bolt (M8) | 1.9 ~ 1.4 | 18.6 ~ 23.5 | 13.7 ~ 17.4 |
| Crankshaft position sensor protector mounting bolt (M6) | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Camshaft position sensor (Bank 1 / Intake) mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Camshaft position sensor (Bank 1 / Exhaust) mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Knock sensor mounting bolt | 1.9 ~ 2.4 | 18.6 ~ 23.5 | 13.7 ~ 17.4 |
| Heated oxygen sensor (Bank 1 / sensor 1) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Heated oxygen sensor (Bank 1 / sensor 2) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Electronic throttle body mounting bolt | 0.8 ~ 1.2 | 7.8 ~ 11.8 | 5.8 ~ 8.7 |
| Purge control solenoid valve bracket mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 1 / Intake) mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 1 / Exhaust) mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Ignition coil mounting bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Natural Vaccum Leakage Detection (NVLD) mounting screw | 0.2 ~ 0.3 | 2.3 ~ 3.3 | 1.7 ~ 2.5 |
Fuel Delivery System
| Item | kgf.m | N.m | lb-ft |
| Fuel tank band mounting nut | 4.0 ~ 5.5 | 39.2 ~ 54.0 | 28.9 ~ 39.8 |
| Fuel pump plate cover mounting bolt | 0.2 ~0.3 | 2.0 ~ 2.9 | 1.4 ~ 2.2 |
| Filler-neck assembly bracket mounting nut | 0.4 ~ 0.6 | 3.9 ~ 5.9 | 2.9 ~ 4.3 |
| Accelerator pedal module mounting bolt | 0.9 ~ 1.4 | 8.8 ~ 13.7 | 6.5 ~ 10.1 |
| Accelerator pedal module mounting nut | 1.0 ~ 1.5 | 9.8 ~ 14.7 | 7.2 ~ 10.9 |
| Delivery pipe mounting bolt | 1.9 ~ 2.4 | 18.6 ~ 23.5 | 13.7 ~ 17.4 |
| Delivery pipe mounting nut (- Fuel feed tube) | 0.8 ~ 1.0 | 7.8 ~ 9.8 | 5.8 ~ 7.2 |
High Voltage Shut-off Procedures
High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow ...
Special Service Tools
Special Service Tools Tool (Number and Name)IllustrationApplicationFuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-38000)Connection between the delivery ...
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