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 ...

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