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General Information - Engine Control/Fuel System - 3.8L: Specifications: Sensors

Barometric Pressure Sensor (BPS)

Pressure [kPa (kgf/cm2 , psi)] Output Voltage (V)
10.0 (0.01, 0.15) 0.50
55.0 (0.56, 7.98) 2.21
115.0 (1.17, 16.9) 4.50

Intake Air Temperature Sensor (IATS)

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
60 140 0.54 ~ 0.66
80 176 0.29 ~ 0.34

Manifold Absolute Pressure Sensor (MAPS)

Pressure [kPa (kgf/cm2 , psi)] Output Voltage (V)
20.0 (0.20, 2.90) 0.79
46.66 (0.47, 6.77) 1.84
101.32 (1.03, 14.7) 4.0

Engine Coolant Temperature Sensor (ECTS)

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]

Throttle angle (°) Output Voltage (V) [Ref=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
Item Specification
Coil Resistance (Ω) 0.3 ~100 [20°C(68°F)]

Crankshaft Position Sensor (CKPS)

Item Specification
Coil Resistance (Ω) 500 ~ 620 [20°C (68°F)]

Camshaft Position Sensor (CMPS)

Item Specification
Output Voltage (V) High: 5.0V
Low: 0.7V
Air Gap (mm) 0.5 ~ 1.5

Knock Sensor (KS)

Item Specification
Capacitance (pF) 950 ~ 1, 350
Resistance (MΩ) 4.87

Heated Oxygen Sensor (HO2S)

A/F Ratio (λ) Output Voltage(V)
RICH Min. 0.8
LEAN Max. 0.1
Item Specification
Heater Resistance (Ω) 3.0 ~ 4.1 [20°C (68°F)]

Rail Pressure Sensor (RPS)

Pressure [MPa (kgf/cm2 , psi)] Output Voltage (V)
0 (0, 0) 0.5
10 (102, 1450) 2.5
20 (204, 2900) 4.5
Fig 1: Fuel Rail Pressure Sensor Voltage Graph
G10452140Courtesy of HYUNDAI MOTOR AMERICA

CVVT Oil Temperature Sensor (OTS)

Temperature Resistance (kΩ)
°C °F
-40 -40 41.74 ~ 54.54
-20 -4 14.13 ~ 16.83
0 32 5.28 ~ 6.3
25 77 1.88 ~ 2.14
80 176 0.31 ~ 0.33
140 284 0.07 ~ 0.08

Oil Pressure Sensor (OPS)

Terminal Resistance (kΩ)
2 - 4 2.76 ~ 4.13
2 - 3 1.89 ~ 2.84
3 - 4 1.71 ~ 2.84

Accelerator Position Sensor (APS)

Accelerator Position Output Voltage (V)
APS1 APS2
C.T 0.7 ~ 0.8 0.33 ~ 0.43
W.O.T 3.85 ~ 4.35 1.93 ~ 2.18

Fuel Tank Pressure Sensor (FTPS)

Pressure [kPa (kgf/cm2 , psi)] Output Voltage (V)
-6.67 (-0.06, -0.97) 0.5
0 2.5
+6.67 (0.068, 0.97) 4.5