Kia Niro: Engine Control/Fuel System / Specifications

Specifications
Fuel Delivery System
Items
Specification
Fuel Tank
Capacity
45 L (11.9 U.S.gal., 47.6 U.S.qt., 39.6 Imp.qt.)
Fuel Filter
Type
Paper type
Fuel Pressure
Low Pressure Fuel Line
Over 290 kPa (Over 2.9 bar, Over 2.95 kgf/cm², Over 42.06 psi)
High Pressure Fuel Line
2 - 20 MPa (20.4 - 203 kgf/cm², 290 - 2900 psi)
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= 5V]
20.0 (0.20, 2.9)
0.79
46.7 (0.47, 6.77)
1.84
101.3 (1.03, 14.7)
4.21

Intake Air Temperature Sensor (IATS)

▷ Type: Thermistor type

▷ Specification

Temperature
Resistance (kΩ)
°C
°F
-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
0.76 - 0.85
60
140
0.54 - 0.62
80
176
0.29 - 0.34

Engine Coolant Temperature Sensor (ECTS)

▷ Type: Thermistor type

▷ Specification

Temperature
Resistance (kΩ)
°C
°F
-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: Hall IC Non-contact sensor type

▷ Specification

Throttle angle(°)
Output Voltage (V) [Vref=5V]
TPS1
TPS2
0
0.5
4.5
10
0.96
4.05
20
1.41
3.59
30
1.87
3.14
40
2.32
2.68
50
2.78
2.23
60
3.23
1.77
70
3.69
1.32
80
4.14
0.86
90
4.6
0.41
98
4.65
0.35
C.T (0)
0.5
4.5
W.O.T (86)
4.41
0.59

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 (Ω)
2.5 - 4.0 [20°C(69.8°F)]

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

▷ Type: Zirconia (ZrO2) [Binary] type

▷ Specification

Item
Specification
Heater Resistance (Ω)
Approx. 9.0 [20°C(68°F)]

Rail Pressure Sensor (RPS)

▷ Type: Piezo-electricity type

▷ Specification

Pressure
Output Voltage (V) [Vref=5V]
bar
[MPa (kgf/cm², psi)]
0
0 (0, 0)
0.5
140
14 (142, 2031)
2.5
280
28 (286, 4061)
4.5

Accelerator Position Sensor (APS)

▷ Type: Variable resistor type

▷ Specification

Accelerator
Position
Output Voltage (V) [Vref = 5V]
APS1
APS2
C.T
0.7 - 0.8
0.33 - 0.43
W.O.T
3.98 - 4.22
1.98 - 2.13

Actuators

Injector

▷ Specification

Item
Specification
Coil Resistance (Ω)
1.425 - 1.575 [20°C(68°F)]

ETC Motor [integrated into ETC Module]

▷ Specification

Item
Specification
Coil Resistance (Ω)
0.3 - 100 [20°C(68°F)]

Purge Control Solenoid Valve (PCSV)

▷ Specification

Item
Specification
Coil Resistance (Ω)
14.3 - 14.7 [20°C(68°F)]
Rated Voltage (V)
13.4 - 13.6
Pin
2
Min. Operation Voltage (V)
9
Valve type
Normal Closed
Rated current (A)
0.93

CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust]

▷ Specification

Item
Specification
Coil Resistance (Ω)
6.9 - 7.9 [20°C(68°F)]
Rated Voltage (V)
12
Pin
2

Electric EGR Control Valve

▷ Type: Motor / Position senso

▷ Specification

[Motor]

Item
Specification
Coil Resistance (Ω)
2.21 - 2.99 [20°C(68°F)]
Pin
2

[Position sensor]

Item
Specification
Sensor Power (V)
5
Pin
3
Closed Voltage (V)
3.85 - 4.15
Opened Voltage (V)
0.75 - 1.25

Fuel Pressure Control Valve (FPCV)

▷ Specification

Item
Specification
Coil Resistance (Ω)
0.52 ± 5 % [20°C(68°F)]
Rated Voltage (V)
6 - 16
Pin
2

Service Standard
Item
Specification
Ignition Timing (°)
BTDC 5° ± 10°
Idle Speed (rpm)
A/C OFF
Neutral, N, P-range
630 ± 100
D-range
630 ± 100
A/C ON
Neutral, N, P-range
700 ± 100
D-range
680 ± 100

Tightening Torques

Engine Control System

Item
kgf·m
N·m
lb·ft
ECM mounting nut
1.0 - 1.2
9.8 - 11.8
7.2 - 8.7
Mass air flow sensor clamp mounting screw
0.3 - 0.5
2.9 - 4.9
2.2 - 3.6
Mass air flow sensor mounting bolt
0.4 - 0.6
3.9 - 5.8
2.8 - 4.3
Manifold absolute pressure sensor Intake Air Temperature Sensor [IATS] mounting bolt 
1.0 - 1.2
9.8 - 11.8
7.2 - 8.7
Engine Coolant Temperature Sensor
3.0 - 4.0
29.4 - 39.2
21.7 - 28.9
Crankshaft position sensor mounting bolt
1.0 - 1.2
9.8 - 11.8
7.2 - 8.7
Camshaft position sensor [Bank 1 / Intake] mounting bolt
0.8 - 1.2
7.8 - 11.8
5.7 - 8.7
Camshaft position sensor [Bank 1 / Exhaust] mounting bolt
0.8 - 1.2
7.8 - 11.8
5.7 - 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] mounting
4.0 - 5.0
39.2 - 49.1
28.9 - 36.2
Heated oxygen sensor [Bank 1 / sensor 2] mounting
4.0 - 5.0
39.2 - 49.1
28.9 - 36.2
Rail pressure sensor
3.0 - 3.5
30.0 - 34.3
22.1 - 25.3
Electronic throttle body mounting bolt
0.8 - 1.0
7.8 - 9.8
5.8 - 7.2
Accelerator pedal module mounting bolt
1.3 - 1.6
12.7 - 15.7
9.4 - 10.6
Electric EGR Control Valve mounting bolt
1.0 - 1.2
9.8 - 11.8
7.2 - 8.7
Variable force solenoid [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

Fuel Delivery System

Item
kgf·m
N·m
lb·ft
Fuel tank mounting nut
4.0 - 5.5
39.2 - 54.0
28.9 - 39.8
Delivery pipe mounting bolt
1.9 - 2.4
18.6 - 23.5
13.7 - 17.4
High pressure fuel pump function bolck mounting bolt
0.8 - 1.2
7.8 - 11.8
5.7 - 8.7
High pressure fuel pump mounting bolt
1.3 - 1.5
12.8 - 14.7
9.4 - 10.9
High pressure fuel pipe flange nut
2.7 - 3.3
26.5 - 32.4
19.5 - 23.9

High voltage shut-off procedures
High Voltage Shut-off Procedures    • Be sure to read and follow the “General Safety Informat ...

Special service tools
Special Service Tools Tool Name / Number Illustration Description Fuel Pressure Gauge 09353-24100 Us ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection 1. Switch "OFF" the ignition. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1]. Specification: 2.5 - 4.0Ω [20°C(68°F)] ...

Kia Niro (DE HEV) Owners Manual: Hazard warning flasher
■ Type A ■ Type B The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle. It should be used whenever emergency repairs are being made or when the vehicle is stopped near the edge of a roadway. ...

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