RM38T0EC _54 Brake _112606 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0608077 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV Model) J

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

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



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.


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



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>REMOVAL


C

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT