| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001SARJ |
| Model Year Start: 2021 | Model: Camry | Prod Date Range: [10/2020 - ] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): ABS Operates Before Necessary When Braking; 2021 - 2024 MY Camry [10/2020 - ] | ||
|
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.
CAUTION / NOTICE / HINT
NOTICE:
-
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
Click here
![2021 MY Camry [10/2020 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): TEST MODE PROCEDURE](/t3Portal/stylegraphics/info.gif)
-
After replacing or removing and installing a speed sensor rotor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
Click here
PROCEDURE
|
1. |
PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.
(d) Using the Techstream, 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 > Utility
|
Tester Display |
|---|
|
Signal Check |
OK:
Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.
|
Result |
Proceed to |
|---|---|
|
OK (for Front) |
A |
|
OK (for Rear (2WD)) |
B |
|
OK (for Rear (AWD)) |
C |
|
NG |
D |
NOTICE:
- When cleaning the front speed sensor and rear speed sensor (for AWD), 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 (for AWD).
HINT:
The rear speed sensor (for 2WD) and rear speed sensor rotor are incorporated into the rear axle hub and bearing assembly.
If the rear speed sensor (for 2WD) 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 |
|
| C |
|
CLEAN REAR SPEED SENSOR AND REAR SPEED SENSOR ROTOR |
| D |
|
INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT |
|
|