Engine Control/Fuel System: Specifications: Sensors

Manifold Absolute Pressure Sensor (MAPS)

• Type: Piezo-resistive pressure sensor type
• Specification

Pressure [kPa (kgf/cm2 , psi)]	Output Voltage (V)
20.0 (0.20, 2.9)	0.79
46.7 (0.47, 6.77)	1.84
101.3 (1.03, 14.7)	4.0

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	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		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)
	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: Magnetic field sensitive Type
• Specification

Item	Specification
Coil Resistance (Ω)	774 ~ 946 [20°C (68°F)]

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)	2.4 ~ 4.0 [20°C (69.8°F)]

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

• Type: Zirconia (ZrO2) [Binary] type
• Specification

A/F Ratio (λ)	Output Voltage (V)
RICH	0.6 ~ 1.0
LEAN	0 ~ 0.4

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

Rail Pressure Sensor (RPS)

• Type: Piezo-electricity type
• Specification
  Fig 1: Rail Pressure Sensor Output Voltage Versus Pressure Graph

  Courtesy of KIA MOTORS AMERICA, INC.

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