Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
General Information - Fuel System: General: Specification: Sensor
MASS AIR FLOW SENSOR (MAFS)
- Type: Hot-film type
- Specification
| Air Flow (kg/h) | Frequency (Hz) |
|---|---|
| 12.6 kg/h | 2,617Hz |
| 18.0 kg/h | 2,958Hz |
| 23.4 kg/h | 3,241Hz |
| 32.4 kg/h | 3,653Hz |
| 43.2 kg/h | 4,024Hz |
| 57.6 kg/h | 4,399Hz |
| 72.0 kg/h | 4,704Hz |
| 108.0 kg/h | 5,329Hz |
| 144.0 kg/h | 5,897Hz |
| 198.0 kg/h | 6,553Hz |
| 270.0 kg/h | 7,240Hz |
| 360.0 kg/h | 7,957Hz |
| 486.0 kg/h | 8,738Hz |
| 666.0 kg/h | 9,644Hz |
| 900.0 kg/h | 10,590Hz |
INTAKE AIR TEMPERATURE SENSOR (IATS)
- Type: Thermistor type
- Specification
| Temperature | Resistance (kΩ) | |
|---|---|---|
| °C | °F | |
| -40 | -40 | 100.87 kΩ |
| -20 | -4 | 28.58 kΩ |
| 0 | 32 | 9.40 kΩ |
| 10 | 50 | 5.66 kΩ |
| 20 | 68 | 3.51 kΩ |
| 40 | 104 | 1.47 kΩ |
| 60 | 140 | 0.67 kΩ |
| 80 | 176 | 0.33 kΩ |
MANIFOLD ABSOLUTE PRESSURE SENSOR (MAPS)
- Type: Piezo-resistive pressure type
- Specification
| Pressure (kPa) | Output Voltage (V) |
|---|---|
| 20.0kPa | 0.79V |
| 46.66kPa | 1.84V |
| 101.32kPa | 4.00V |
ENGINE COOLANT TEMPERATURE SENSOR (ECTS)
- Type: Thermistor type
- Specification
| Temperature | Resistance (kΩ) | |
|---|---|---|
| °C | °F | |
| -40 | -40 | 48.14 kΩ |
| -20 | -4 | 14.13 ~ 16.83 kΩ |
| 0 | 32 | 5.79 kΩ |
| 20 | 68 | 2.31 ~ 2.59 kΩ |
| 40 | 104 | 1.15 kΩ |
| 60 | 140 | 0.59 kΩ |
| 80 | 176 | 0.32 kΩ |
THROTTLE POSITION SENSOR (TPS)
- Type: Variable resistor type
- Specification (When reference voltage = 5.0V)
| Throttle Angle (°) | Output Voltage (V) | |
|---|---|---|
| TPS1 | TPS2 | |
| 0° | 0 V | 5.0V |
| 10° | 0.5V | 4.5V |
| 20° | 0.9V | 4.1V |
| 30° | 1.4V | 3.6V |
| 40° | 1.8V | 3.2V |
| 50° | 2.3V | 2.7V |
| 60° | 2.7V | 2.3V |
| 70° | 3.2V | 1.8V |
| 80° | 3.6V | 1.4V |
| 90° | 4.1V | 0.9V |
| 100° | 4.5V | 0.5V |
| 110° | 5.0V | 0 V |
| 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) |
ACCELERATOR POSITION SENSOR (APS)
- Type: Variable resistor type
- Specification (When reference voltage = 5.0V)
| Accelerator Position | Output Voltage (V) | |
|---|---|---|
| APS1 | APS2 | |
| C.T | 0.7 ~ 0.8V | 0.29 ~ 0.46V |
| W.O.T | 3.85 ~ 4.35V | 1.93 ~ 2.18V |
| 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) |
HEATED OXYGEN SENSOR (HO2S)
- Type: Zirconia (ZrO2) type
- Specification
| A/F Ratio | Output Voltage (V) |
|---|---|
| RICH | 0.75 ~ 1.00V |
| LEAN | 0 ~ 0.12V |
| 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 |
|---|---|
| Output Voltage (V) | High: 5.0V |
| Low: 0.7V | |
| Air Gap (mm) | 0.5 ~ 1.5mm |
CRANKSHAFT POSITION SENSOR (CKPS)
- Type: Magnetic field sensitive type
- Specification
| Item | Specification |
|---|---|
| Coil Resistance (Ω) | 630-770 Ω at 20°C (68°F) |
| Air Gap (mm) | 0.5 ~ 1.5mm |
KNOCK SENSOR (KS)
- Type: Piezo-electricity type
- Specification
| Item | Specification |
|---|---|
| Capacitance (pF) | 1,480 ~ 2,220pF |
CVVT OIL TEMPERATURE SENSOR (OTS)
- Type: Thermistor type
- Specification
| Temperature | Resistance (kΩ) | |
|---|---|---|
| °C | °F | |
| -20 | -4 | 16.52 kΩ |
| 20 | 68 | 2.45 kΩ |
| 80 | 176 | 0.29 kΩ |
FUEL TANK PRESSURE SENSOR (FTPS)
- Type: Piezo-Resistivity type
- Specification
| Pressure (kPa) | Output Voltage (V) |
|---|---|
| -6.67 kPa | 0.5V |
| 0 kPa | 2.5V |
| 6.67 kPa | 4.5V |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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