Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc.
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
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.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Enter the following menus: Chassis / Brake / Utility / Signal Check.
Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete.
| Tester Display |
|---|
| Signal Check |
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 |
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.
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
B
C