RM3660EC _54 Brake _080770 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0599814 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model (NR Series)) J

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model (NR Series))  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 hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model (NR Series))>TEST MODE PROCEDURE

·

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 hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model (NR Series))>TEST MODE PROCEDURE



PROCEDURE

1.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.


d.

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 hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model (NR Series))>TEST MODE PROCEDURE

Chassis > Brake/EPB > Utility
Tester Display
Signal Check
50005 435 4558
OK:

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


Result:
Result 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

Click hereDrivetrain>AXLE AND DIFFERENTIAL>REAR AXLE HUB (for Double Wishbone Type Suspension with Electric Parking Brake)>REMOVAL


C

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT