Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001E85R
Model Year Start: 2019 Model: Camry HV Prod Date Range: [09/2018 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: ABS Operates Before Necessary When Braking; 2019 - 2024 MY Camry HV [09/2018 -        ]

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 TEST MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CIRCUIT)

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

Click here 2019 - 2020 MY Camry HV [09/2018 - 10/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: TEST MODE PROCEDURE 2021 MY Camry HV [10/2020 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: TEST MODE PROCEDURE 2022 - 2024 MY Camry HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: TEST MODE PROCEDURE

Chassis > ABS/VSC/TRAC > Utility

Tester Display

Signal Check

OK:

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

 

Proceed to

OK (for Front)

A

OK (for Rear)

B

NG

C

NOTICE:

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

HINT:

The rear speed sensor and rear speed sensor rotor are incorporated into the rear axle hub and bearing assembly.

If the rear speed sensor and rear speed sensor rotor need to be replaced, replace the rear axle hub and bearing assembly.

A

CLEAN FRONT SPEED SENSOR AND FRONT SPEED SENSOR ROTOR

B

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; AXLE AND DIFFERENTIAL: REAR AXLE HUB: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; AXLE AND DIFFERENTIAL: REAR AXLE HUB: REMOVAL

C

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT