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HOMESERVICE MANUALSLEXUS2007ES 350REPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKE CONTROLFRONT SPEED SENSORINSPECTION
2007 Lexus ES 350

Front Speed Sensor: Inspection

2007 Lexus ES 350SECTION Inspection
  1. INSPECT FRONT SPEED SENSOR 
    1. 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.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance: 

      RH 

      RESISTANCE SPECIFICATION

      Tester 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 

      RESISTANCE SPECIFICATION

      Tester 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
      Fig 1: Measuring Resistance Between Front Speed Sensor Terminal And Ground
      G04978023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the value is not as specified, replace the front speed sensor.

RENDER: 1.0x

NO RELATED

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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.