DTC C0506-23: Right Front Wheel Speed Sensor Signal Stuck Low [11/2021 - ]: Procedure

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CHECK FREEZE FRAME DATA (WHEEL SPEED)

Read the freeze frame data of DTC C0506-23.

Chassis > Brake/EPB

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
FR Wheel Speed	Front wheel speed sensor RH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
FL Wheel Speed	Front wheel speed sensor LH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
RR Wheel Speed	Rear wheel speed sensor RH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
RL Wheel Speed	Rear wheel speed sensor LH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > DTC (C0506-23) > Freeze Frame Data

Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed

Result

Result	Proceed to
The value of FR Wheel Speed is 2 km/h or less, and the value of all FL Wheel Speed, RL Wheel Speed, RR Wheel Speed is 12 km/h or more	A
The value of FR Wheel Speed is 2 km/h or less, and the value of all FL Wheel Speed, RL Wheel Speed, RR Wheel Speed is 50 km/h or more	B

HINT:

2 km/h = 1 mph
12 km/h = 7 mph
50 km/h = 31 mph

Result:

See step 3

Result:

See step 2

READ VALUE USING GTS (FR WHEEL SPEED)

Pre-procedure1

Start the engine and perform a road test.
Procedure1

Check that the value of FR Wheel Speed changes in accordance with vehicle speed when accelerating from 0 km/h to 20 km/h (0 mph to 12 mph).

Chassis > Brake/EPB > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
FR Wheel Speed	Front wheel speed sensor RH reading	Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations

Chassis > Brake/EPB > Data List

Tester Display
FR Wheel Speed

The value of FR Wheel Speed changes in accordance with vehicle speed.

HINT:

If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as brake drag, wheelspin or wheel lockup.

Result

Proceed to
OK
NG

Post-procedure1

None

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

Result:

See step 3

CHECK FRONT SPEED SENSOR RH INSTALLATION

Check the front speed sensor RH installation.

*1	Front Speed Sensor RH
*a	Correct
*b	Incorrect
*c	8.5 Nm (87 kgfcm, 75 in.*lbf)
*d	No clearance

There is no clearance between the front speed sensor RH and the steering knuckle RH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

Result

Proceed to
OK
NG

Result:

REPLACE FRONT SPEED SENSOR RH

w/o AVS: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

w/ AVS: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

Result:

REINSTALL OR REPLACE FRONT SPEED SENSOR RH

w/o AVS: Refer to INSTALLATION [11/2021 - ]

w/ AVS: Refer to INSTALLATION [11/2021 - ]