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Home >> Toyota >> 2021 >> 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 [12/2018 - ] >> Description
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DTC C1413: Front Speed Sensor RH Circuit Output; DTC C1414: Front Speed Sensor LH Circuit Output [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.

GTY562475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL 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)
Comes on
  • INF Code 504: SAE Code C050A (Case 2)
  • INF Code 541: SAE Code C050A (Case 1)
  • 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)
Comes on
  • INF Code 514: SAE Code C0504 (Case 2)
  • INF Code 542: SAE Code C0504 (Case 1)
  • ABS DTC