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Home >> Toyota >> 2019 >> Prius LE AWD-e >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System - Diagnostic Codes (3 Of 5) >> Electronically Controlled Brake System >> DTC C1413: Front Speed Sensor RH Circuit Output; DTC C1414: Front Speed Sensor LH Circuit Output [11/2015 - 12/2018] >> Description
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DTC C1413: Front Speed Sensor RH Circuit Output; DTC C1414: Front Speed Sensor LH Circuit Output [11/2015 - 12/2018]: Description

Each speed sensor detects the wheel speed and sends the signals to the skid control ECU (brake booster with master cylinder assembly). These signals are used for ABS control.

HINT: 

The output voltage values shown below are for when the vehicle wire harnesses are connected to the skid control ECU (brake booster with master cylinder assembly) and the speed sensors.

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DTC No. Detection Item INF Code DTC Detection Condition Trouble Area Note
C1413 Front Speed Sensor RH Circuit Output 504
541
  • INF Code: 504
    • An open in the sensor signal of a malfunctioning wheel occurs 255 times or more.
  • INF Code: 541
    • Either of the following is detected:
      1. At a vehicle speed of 20 km/h (12 mph) or more, noise occurs in the sensor signals of a malfunctioning wheel 75 times or more within 5 seconds.
      2. At a vehicle speed of 10 km/h (6 mph) or more, noise occurs once per rotor rotation for 15 seconds or more.
  • Front speed sensor RH
  • Speed sensor installed improperly
  • Wire harness or connector
  • Front speed sensor rotor RH (front axle hub sub-assembly RH)
  • Skid control ECU (brake booster with master cylinder assembly)
 ABS DTC
C1414 Front Speed Sensor LH Circuit Output 514
542
  • INF Code: 514
    • An open in the sensor signal of a malfunctioning wheel occurs 255 times or more.
  • INF Code: 542
    • Either of the following is detected:
      1. At a vehicle speed of 20 km/h (12 mph) or more, noise occurs in the sensor signals of a malfunctioning wheel 75 times or more within 5 seconds.
      2. At a vehicle speed of 10 km/h (6 mph) or more, noise occurs once per rotor rotation for 15 seconds or more.
  • Front speed sensor LH
  • Speed sensor installed improperly
  • Wire harness or connector
  • Front speed sensor rotor LH (front axle hub sub-assembly LH)
  • Skid control ECU (brake booster with master cylinder assembly)
 ABS DTC
DTC DETECTION CONDITIONS: C1413 INF CODE: 541

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition At a vehicle speed of 20 km/h (12 mph) or more. ◦ -
At a vehicle speed of 10 km/h (6 mph) or more. - ◦
Malfunction Status Noise occurs in the sensor signals of a malfunctioning wheel. ◦ -
Noise occurs once per rotor rotation. - ◦
Detection Time Detected 75 times or more within 5 seconds 15 seconds or more
Number of Trips 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above are met.

DTC DETECTION CONDITIONS: C1414 INF CODE: 542

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition At a vehicle speed of 20 km/h (12 mph) or more. ◦ -
At a vehicle speed of 10 km/h (6 mph) or more. - ◦
Malfunction Status Noise occurs in the sensor signals of a malfunctioning wheel. ◦ -
Noise occurs once per rotor rotation. - ◦
Detection Time Detected 75 times or more within 5 seconds 15 seconds or more
Number of Trips 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above are met.

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