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Engine Control System - 2.4L: Specifications Kia Optima II рестайлинг

Testing & Diagnostics 15 illustrations ~161 words

Specification

[Throttle position sensor]

Throttle Angle (°)Output Voltage (V)[Vref = 5.0V]
TPS1TPS2
005.00
100.484.52
200.954.05
301.433.57
401.903.10
502.382.62
602.862.14
703.331.67
803.811.19
904.290.71
1004.760.24
1055.000
C.T (6-15°)0.3-0.74.3-4.7
W.O.T (93-102°)4.45-4.850.15-0.55

VOLTAGE SPECIFICATION

ItemSensor Resistance (kohms)
TPS10.875-1.625
TPS20.875-1.625

SENSOR RESISTANCE CHART

Scheme 23

Scheme 23
Scheme 23

[ETC motor]

ItemSensor Resistance
Coil Resistance (ohms)1.2-1.8 @ 20°C (68°F)

SENSOR RESISTANCE CHART

Scheme 24

Scheme 24: Circuit Diagram
Scheme 24: Circuit Diagram

Fail-Safe Mode

ITEMSFAIL-SAFE
ETC MotorThrottle valve stuck at 5°
TPSTPS 1 faultReplace it with TPS2
TPS 2 faultReplace it with TPS1
TPS 1,2 faultThrottle valve stuck at 5°
APSAPS 1 faultReplace it with APS2
APS 2 faultReplace it with APS1
APS 1,2 faultThrottle valve stuck at 5°

TROUBLESHOOTING CHART

Note. When throttle value is stuck at 5°, engine speed is limited at below 1,500 RPM and vehicle speed at maximum 40-50 km/h (25-31mph).

Pressure (kPa)Output Voltage (V)
20.00.79
46.661.84
101.324.0

VOLTAGE SPECIFICATION

Scheme 25

Scheme 25: Circuit Diagram
Scheme 25: Circuit Diagram
Temperature [°C (°F)]Resistance (kohms)
40 (-40)40.93-48.35
30 (-22)23.43-27.34
20 (-4)13.89-16.03
10 (14)8.50-9.71
0 (32)5.38-6.09
10 (50)3.48-3.90
20 (68)2.31-2.57
25 (77)1.90-2.10
30 (86)1.56-1.74
40 (104)1.08-1.21
60 (140)0.54-0.62
80 (176)0.29-0.34

TEMPERATURE AND RESISTANCE CHART

Scheme 26

Scheme 26: Circuit Diagram
Scheme 26: Circuit Diagram
Temperature [°C(°F)]Resistance (kohms)
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

TEMPERATURE AND RESISTANCE CHART

Scheme 27

Scheme 27: Circuit Diagram
Scheme 27: Circuit Diagram

HO2S [Bank 1/Sensor 1]

ItemSpecification
Heater Resistance (ohms)2.5-3.3 @ 20°C (68°F)

ITEM SPECIFICATION

HO2S [Bank 1/Sensor 2]

A/F RatioOutput Voltage (V)
RICH0.6-1.0
LEAN0.1-0.4

VOLTAGE SPECIFICATION

ItemSpecification
Heater Resistance (ohms)3.3-4.1 @ 20°C (68°F)

ITEM SPECIFICATION

Scheme 28

Scheme 28: Circuit Diagram
Scheme 28: Circuit Diagram
ItemSpecification
Capacitance (pF)1,480-2,200
Resistance (Mohms)1.0

ITEM SPECIFICATION

Scheme 29

Scheme 29: Waveform
Scheme 29: Waveform

The knock sensor is installed at cylinder block to detect the vibration effectively during engine running.

The above waveform shows the signal waveform of knock sensor when knock doesn't happen. Generally, knock sensor signals have more noise than other sensors.

Scheme 30

Scheme 30: Circuit Diagram
Scheme 30: Circuit Diagram
ItemSpecification
Coil Resistance (ohms)13.8-15.2 @ 20°C (68°F)

ITEM SPECIFICATION

Scheme 31

Scheme 31: Circuit Diagram
Scheme 31: Circuit Diagram
ItemSpecification
Coil Resistance (ohms)6.9-7.9 @ 20°C (68°F)

ITEM SPECIFICATION

Scheme 32

Scheme 32: Circuit Diagram
Scheme 32: Circuit Diagram
ItemSpecification
Coil Resistance (ohms)19.0-22.0 @ 20°C (68°F)

ITEM SPECIFICATION

Scheme 33

Scheme 33: Circuit Diagram
Scheme 33: Circuit Diagram
Pedal PositionOutput Voltage (V) [Vref = 5.0V]
APS1APS2
C.T0.7-0.80.29-0.46
W.O.T3.85-4.351.93-2.18

VOLTAGE SPECIFICATION

ItemsSensor Resistance (kohms)
APS10.7-1.3 @ 20°C (68°F)
APS21.4-2.6 @ 20°C (68°F)

SENSOR RESISTANCE CHART

Scheme 34

Scheme 34: Circuit Diagram
Scheme 34: Circuit Diagram
Pressure (kPa)Output Voltage (V)
3.754.5
01.5
+1.250.5

VOLTAGE SPECIFICATION

Scheme 35

Scheme 35: Circuit Diagram
Scheme 35: Circuit Diagram
ItemSpecification
Coil Resistance (ohms)15.5-18.5 @ 20°C (68°F)

ITEM SPECIFICATION

Scheme 36

Scheme 36: Circuit Diagram
Scheme 36: Circuit Diagram
ItemSpecification
Coil resistance (ohms)30.0-35.0 @ 20°C(68°F)

ITEM SPECIFICATION

Scheme 37

Scheme 37: Circuit Diagram
Scheme 37: Circuit Diagram

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