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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except Hybrid) - Diagnostic Codes (3 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [08/2020 - ] >> Description

DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [08/2020 - ]: Description

Refer to DTC C0512-12

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area
C0512-23 Right Rear Wheel Speed Sensor Signal Stuck Low
  • When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1 mph) or less for 0.6 seconds or more.
  • When the wheel speed has not exceeded 1.8 km/h (1.1 mph), the vehicle speed reaches 18 km/h (11 mph).
  • When the vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more, the pulse signal is not detected for 0.08 seconds or more.
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*1
  • Rear speed sensor RH*2
  • speed sensor installation

*1: for 2WD

*2: for AWD

DTC DETECTION CONDITIONS: C0512-23

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3
Diagnosis Condition The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph). ◦ - -
The vehicle speed reaches 18 km/h (11 mph). - ◦ -
The vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more. - - ◦
Malfunction Status The wheel speed is 1.8 km/h (1.1 mph) or less. ◦ - -
The wheel speed has not exceeded 1.8 km/h (1.1 mph). - ◦ -
The pulse signal is not detected. - - ◦
Detection Time 0.6 seconds or more. - 0.08 seconds or more.
Number of Trips 1 trip 1 trip 1 trip

HINT: 

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