Toyota Yaris: Vehicle Stability Control System / Left Rear Wheel Speed Sensor Signal Has Too Many Pulses (C050C3A,C05123A)
DESCRIPTION
Refer to DTC C050C1F.
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| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| C050C3A | Left Rear Wheel Speed Sensor Signal Has Too Many Pulses | When not in Dealer Mode (Signal Check) or Inspection Mode, the output of the speed sensor detected by the skid control ECU (brake actuator assembly) is too high for 5 second or more. | Skid control ECU (brake actuator assembly) | Brake |
| C05123A | Right Rear Wheel Speed Sensor Signal Has Too Many Pulses | When not in Dealer Mode (Signal Check) or Inspection Mode, the output of the speed sensor detected by the skid control ECU (brake actuator assembly) is too high for 5 second or more. | Skid control ECU (brake actuator assembly) | Brake |
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
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PROCEDURE
| 1. | REPLACE BRAKE ACTUATOR ASSEMBLY |
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| NEXT |
 | END |
Left Rear Wheel Speed Sensor Signal Stuck Low (C050C23)
DESCRIPTION Refer to DTC C050C1F. Click here
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C050C23 Left Rear Wheel Speed Sensor Signal Stuck Low Any of the following is detected:
When the +BS terminal voltage is 17...
Right Rear Wheel Speed Sensor Circuit Short to Battery (C051212)
DESCRIPTION Refer to DTC C05121F. Click here
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C051212 Right Rear Wheel Speed Sensor Circuit Short to Battery The speed sensor short signal is ON continuously for 0...
Other information:
Toyota Yaris XP210 (2020-2024) Owner's Manual: Communication Settings
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Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here 2. INSTALL NO. 1 ROOF WIRE (a) Apply butyl tape onto the roof headlining so that it does not protrude from the markings. *a Butyl Tape - - HINT: Apply the butyl tape securely, making sure that it is not out of position or peeling off...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)