General Information - Fuel System: Specifications: Sensors

Mass Air Flow Sensor (MAFS)

• Type: Hot-film type
• Specification
  MASS AIR FLOW SENSOR SPECIFICATION
  
  

  Air Flow (kg/h)	Frequency (Hz)
  12.6	2, 617
  18.0	2, 958
  23.4	3, 241
  32.4	3, 653
  43.2	4, 024
  57.6	4, 399
  72.0	4, 704
  108.0	5, 329
  144.0	5, 897
  198.0	6, 553
  270.0	7, 240
  360.0	7, 957
  486.0	8, 738
  666.0	9, 644
  900.0	10, 590

Intake Air Temperature Sensor (IATS)

• Type: Thermistor type
• Specification
  INTAKE AIR TEMPERATURE SENSOR SPECIFICATION
  
  

  Temperature		Resistance (kΩ)
  °C	°F
  -40	-40	100.87
  -20	-4	28.58
  0	32	9.40
  10	50	5.66
  20	68	3.51
  40	104	1.47
  60	140	0.67
  80	176	0.33

Manifold Absolute Pressure Sensor (MAPS)

• Type: Piezo-resistive pressure type
• Specification
  MANIFOLD ABSOLUTE PRESSURE SENSOR SPECIFICATION
  
  

  Pressure (kPa)	Output Voltage (V)
  20.0	0.79
  46.66	1.84
  101.32	4.0

Engine Coolant Temperature Sensor (ECTS)

• Type: Thermistor type
• Specification
  ENGINE COOLANT TEMPERATURE SENSOR 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)

• Type: Variable resistor type
• Specification (When reference voltage = 5.0 V)
  THROTTLE POSITION SENSOR SPECIFICATION
  
  

  Throttle Angle (°)	Output Voltage (V)
  	TPS1	TPS2
  0°	0	5.0
  10°	0.5	4.5
  20°	0.9	4.1
  30°	1.4	3.6
  40°	1.8	3.2
  50°	2.3	2.7
  60°	2.7	2.3
  70°	3.2	1.8
  80°	3.6	1.4
  90°	4.1	0.9
  100°	4.5	0.5
  110°	5.0	0

  ITEM SPECIFICATION
  
  

  Item	Sensor Resistance (kΩ)
  TPS1	4.0 ~ 6.0 kΩ at 20°C (68°F)
  TPS2	2.72 ~ 4.08 kΩ at 20°C (68°F)

Heated Oxygen Sensor (HO2S)

• Type: Zirconia (ZrO2) type
• Specification
  HEATED OXYGEN SENSOR SPECIFICATION
  
  

  A/F Ratio	Output Voltage (V)
  RICH	0.75 ~ 1.0
  LEAN	0 ~ 0.12

  RESISTANCE SPECIFICATION
  
  

  Item	Resistance (Ω)
  Sensor Heater	8.1 ~ 11.1 Ω at 21°C (69.8°F)

Camshaft Position Sensor (CMPS)

• Type: Hall effect type
• Specification
  ITEM SPECIFICATION
  
  

  Item	Specification
  Output Voltage (V)	High: 5.0 V
  	Low: 0 ~ 0.7 V
  Air Gap (mm)	0.5 ~ 1.5

Crankshaft Position Sensor (CKPS)

• Type: Magnetic field sensitive type
• Specification
  ITEM SPECIFICATION
  
  

  Item	Specification
  Coil Resistance (Ω)	630 ~ 770 Ω at 20°C (68°F)
  Air Gap (mm)	0.5 ~ 1.5

Knock Sensor (KS)

• Type: Piezo-electricity type
• Specification
  ITEM SPECIFICATION
  
  

  Item	Specification
  Capacitance (pF)	1, 480 ~ 2, 220

CVVT Oil Temperature Sensor (OTS)

• Type: Thermistor type
• Specification
  RESISTANCE SPECIFICATION
  
  

  Temperature		Resistance (kΩ)
  °C	°F
  -20	-4	16.52
  20	68	2.45
  80	176	0.29

Accelerator Position Sensor (APS)

• Type: Variable resistor type
• Specification (When reference voltage = 5.0 V)
  VOLTAGE SPECIFICATION
  
  

  Accelerator Position	Output Voltage (V)
  	APS1	APS2
  C.T	0.7 ~ 0.8	0.28 ~ 0.48
  W.O.T	3.8 ~ 4.4	1.75 ~ 2.35

  RESISTANCE SPECIFICATION
  
  

  Item	Sensor Resistance (kΩ)
  APS1	0.7 ~ 1.3 kΩ at 20°C (68°F)
  APS2	1.4 ~ 2.6 kΩ at 20°C (68°F)

Fuel Tank Pressure Sensor (FTPS)

• Type: Piezo-Resistisity type
• Specification
  VOLTAGE SPECIFICATION
  
  

  Pressure (kPa)	Output Voltage (V)
  -3.75	4.4 ~ 4.6
  0	1.4 ~ 1.6
  +1.25	0.4 ~ 0.6