Hyundai Tucson: Rear wheel speed sensor- Replacement
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Brake System / ESC (Electronic Stability Control) System / Rear wheel speed sensor- Replacement
Replacement
- Remove the rear wheel hub bearing assembly.
(Refer to Drivesliaft and Axle - "Rear Hub - Carrier")
- Fix the rear hub bearing assembly (A) on the vise.
WARNING
- When fixing on the vise, use a cloth not to be damaged the hub bearing assembly.
- Be careful if excessive force for fixing on the vise may damage the hub bearing assembly.
- Check the direction of the sensor cap (A).
- Remove the sensor cap by hammering on a gap between sensor cap and hub bearing assembly using a scraper (A).
WARNING
In order to widen the gap little by little, hammering around the
bearing cap 10-20 times. 
When removing the sensor cap, remove it in a straight direction not
to damage the tone wheel or encoder.
- Check if distorted or damaged the tone wheel or encoder (A).
WARNING
- Check if damaged the tone wheel or encoder after removing the sensor cap and replace the hub bearing if it was deformed.
- If the tone wheel is deformed, it may trigger the MIL ON or
other problems.
- Position the sensor cap to the same direction of sensor cap connector (A) as you checked before removing.
WARNING
Before installing the sensor cap, do not let any foreign material
and contaminant into the hub bearing (A) assembly
- Install the sensor cap (A) with the special service tool (09527-2W110).
WARNING
- Hammer until there is no gap between the SST and hub bearing
assembly and install the sensor cap.
- Be careful not to tilt to one side when installing the sensor cap as it may damage the tone wheel or encoder.
- When sensor cap installation, hammering it until the gap
disappeared between the sensor cap and hub bearing assembly.
- Install the rear wheel hub bearing assembly.
(Refer to Drivesliaft and Axle - "Rear Hub - Carrier")
READ NEXT:
Rear wheel speed sensor - Inspection
Inspection
Measure the output voltage between the terminal of the wheel speed
sensor and the body ground.
WARNING
In order to protect the wheel speed sensor, when measuring output
voltage, a 100Q resister must be used as shown.
C
Introduction of Quick Brake Warning System (ESS)
Description
In case of quick brake by driver, the brake lamp or turn signal is blinked to
warn against the vehicle at rear.
Basic function (Blinking the brake lamp/emergency lamp)
Operation condition : In case of quick brake or opera
SEE MORE:
The DCT system- Installation
Installation
To install, reverse the removal procedures.
Check the assembled state of the dowel pins (A) before installing the
clutch acmator assembly.
Perform the clutch touch point learning procedure using the diagnostic
tool.
Engine Room Under Cover
Removal
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
Disconnect the ground cable (A).
Tightening to
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
