Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: ABS Operates Before Necessary When Braking

Toyota Corolla Cross (2022-2026) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Hev Model) / ABS Operates Before Necessary When Braking

DESCRIPTION

Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc.

PROCEDURE

1.

PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)

(a) Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

Click here

Chassis > Brake/EPB > Utility

Tester Display

Signal Check

NOTICE:

  • When cleaning the front speed sensor and rear sped sensor, make sure to clean the installation hole before installation.
  • Do not use parts cleaner when cleaning the front speed sensor rotor and rear speed sensor rotor.

OK:

Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

Result

Proceed to

OK (for Front)

A

OK (for Rear)

B

NG

C
A

CLEAN FRONT SPEED SENSOR AND FRONT SPEED SENSOR ROTOR
B

CLEAN REAR SPEED SENSOR AND REAR SPEED SENSOR ROTOR
C

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT

    READ NEXT:

     VSC does not Operate or VSC does not Operate Correctly

    DESCRIPTION When TRAC or VSC is operating, the skid control ECU (brake actuator assembly) blinks the slip indicator light to inform the driver that slippage occurred. When a communication malfunct

     VSC OFF Switch Circuit

    DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. Pressing the VSC OFF switch turns off TRAC operation, and pressing

     Front Speed Sensor

    SEE MORE:

     Reassembly

    REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY) Procedure Part Name Code 1 SEAT TRACK REAR UPPER COVER 72125V - - - 2 SEAT TRACK UPPER RAIL COVER 72266 - - - 3 FRONT SEAT LOWER CUSHION SHIELD

     Software Incompatibility with Image Processing Module "A" Not Programmed (U130C51,U130C57)

    DESCRIPTION The millimeter wave radar sensor assembly receives the vehicle information from the forward recognition camera via CAN communication line. When the millimeter wave radar sensor assembly cannot confirm the vehicle information using the vehicle information sent from the for

    © 2020-2026 Copyright www.tcorollacross.com PT NL