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.
Front Speed Sensor: Inspection
- INSPECT FRONT SPEED SENSOR
- Inspect the front speed sensor. If any of the following occurs, replace the front speed sensor with a new one:
- The surface of the front speed sensor is cracked, dented, or chipped off.
- The connector or wire harness is scratched, cracked, or damaged.
- The front speed sensor has been dropped.
- Measure the resistance according to the value(s) in the table below.
Standard resistance:
RH
STANDARD RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition 1 (FR+) - 2 (FR-) Always 1.4 to 1.8 kΩ at 20°C (68°F) 1 (FR+) - Body ground Always 10 kΩ or higher 2 (FR-) - Body ground Always 10 kΩ or higher LH
STANDARD RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition 1 (FL+) - 2 (FL-) Always 1.4 to 1.8 kΩ at 20°C (68°F) 1 (FL+) - Body ground Always 10 kΩ or higher 2 (FL-) - Body ground Always 10 kΩ or higher If the value is not as specified, replace the front speed sensor.
- Inspect the front speed sensor. If any of the following occurs, replace the front speed sensor with a new one:
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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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