RM38N0EC _54 Brake _111814 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0503031 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model)  C05121C  Right Rear Wheel Speed Sensor Circuit Voltage Out of Range  


DESCRIPTION

Refer to DTC C051212

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>C051212

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
C05121C Right Rear Wheel Speed Sensor Circuit Voltage Out of Range
·

When the vehicle is being driven in a straight line at a speed of 20 km/h (12 mph) or more and VSC/TRC has permission to control vehicle braking, one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):

-

When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.

-

The value of the wheel speed is continuously the slowest.

-

When the wheel speed is less than 5 km/h (3 mph).


·

When the vehicle speed is less than 100 km/h (62 mph), one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):

-

When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.

-

The value of the wheel speed is continuously the slowest.

-

When the wheel speed is less than 5 km/h (3 mph).


·

When the vehicle speed is 100 km/h (62 mph) or more, one of the following conditions is met when the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 for between 9 and 72 seconds or more (period changes depending on vehicle conditions):

-

When the difference between the highest wheel speed and the second highest wheel speed is 5 km/h (3 mph) or more, the wheel speed is high compared to other speed sensors.

-

The value of the wheel speed is continuously the slowest.

-

When the wheel speed is less than 5 km/h (3 mph).



·

Rear speed sensor RH

·

Rear speed sensor rotor RH

·

Speed sensor installation

·

Tire wear

·

Tire pressure

·

Tire and wheel size


Brake/EPB A

*1: When more than 1 wheel has a wheel speed of less than 5 km/h (3 mph), a difference of 15% is permitted.

*2: When more than 1 wheel has a wheel speed of less than 5 km/h (3 mph), a difference of 16 km/h (10 mph) is permitted.

CAUTION / NOTICE / HINT

NOTICE:

DTC precaution

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>PRECAUTION

Procedure to clear warning lights (When not clearing DTCs)
Procedure
1.

Repair or replacement.

2.

Turn the ignition switch to ON.

3.

Drive the vehicle at 11 km/h (7 mph) or more for 1 second or more to clear the warning lights.




PROCEDURE

1.CHECK VEHICLE
a.

Check the vehicle specification.


Result:
Result Proceed to
for 2WD A
for AWD B



A

2.PRE-CHECK

B

7.PRE-CHECK
2.PRE-CHECK
a.

Check that all 4 tires are of correct size, are inflated to the correct pressure, and do not show excessive signs of wear.

Click hereGeneral>MAINTENANCE>TIRE AND WHEEL>INSPECTION

HINT:

If a tire is deformed or an incorrectly sized tire or wheel is installed, this DTC may be stored.



Result:
Proceed to
NEXT



NEXT

3.CHECK FREEZE FRAME DATA (WHEEL SPEED)
3.CHECK FREEZE FRAME DATA (WHEEL SPEED)
a.

Read the freeze frame data of DTC C05121C.

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(C05121C) > Freeze Frame Data
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50040 435 13,14,15,16 C05121C

Result:
Result Proceed to
The value of RR Wheel Speed is more than all other values. A
The value of RR Wheel Speed is less than all other values. B
The value of RR Wheel Speed is less than 5 km/h. C


HINT:

5 km/h = 3 mph



A

4.READ VALUE USING GTS (WHEEL SPEED)

B

5.READ VALUE USING GTS (WHEEL SPEED)

C

6.READ VALUE USING GTS (RR WHEEL SPEED)
4.READ VALUE USING GTS (WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of Wheel Speed.

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 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 > Data List
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50003 435 13,14,15,16
OK:

The difference between the value of RR Wheel Speed and all other values is less than 6%.


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 wheelspin.

·

The rear speed sensor RH and rear speed sensor rotor RH are incorporated into the rear axle hub and bearing assembly RH.

If the rear speed sensor RH and rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.



Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

NG

5.READ VALUE USING GTS (WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of Wheel Speed.

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 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 > Data List
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50003 435 13,14,15,16
OK:

The difference between the value of RR Wheel Speed and all other values is less than 6%.


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.

·

The rear speed sensor RH and rear speed sensor rotor RH are incorporated into the rear axle hub and bearing assembly RH.

If the rear speed sensor RH and rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.



Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

NG

6.READ VALUE USING GTS (RR WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of RR Wheel Speed.

Chassis > Brake/EPB > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
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
Chassis > Brake/EPB > Data List
Tester Display
RR Wheel Speed
50003 435 15
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 wheelspin, brake drag or wheel lockup.

When a DTC is stored during operation of ABS or TRC, the system also stores vehicle control history (RoB) that can be guessed the vehicle conditions.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>VEHICLE CONTROL HISTORY (RoB)

·

The rear speed sensor RH and rear speed sensor rotor RH are incorporated into the rear axle hub and bearing assembly RH.

If the rear speed sensor RH and rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.



Result:
Result Proceed to
The value of RR Wheel Speed is 5 km/h or more A
None of the above conditions are met B


HINT:

5 km/h = 3 mph



Post-procedure1

d.

None



A

B

7.PRE-CHECK
a.

Check that all 4 tires are of correct size, are inflated to the correct pressure, and do not show excessive signs of wear.

Click hereGeneral>MAINTENANCE>TIRE AND WHEEL>INSPECTION

HINT:

If a tire is deformed or an incorrectly sized tire or wheel is installed, this DTC may be stored.



Result:
Proceed to
NEXT



NEXT

8.CHECK FREEZE FRAME DATA (WHEEL SPEED)
8.CHECK FREEZE FRAME DATA (WHEEL SPEED)
a.

Read the freeze frame data of DTC C05121C.

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(C05121C) > Freeze Frame Data
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50040 435 13,14,15,16 C05121C

Result:
Result Proceed to
The value of RR Wheel Speed is more than all other values. A
The value of RR Wheel Speed is less than all other values. B
The value of RR Wheel Speed is less than 5 km/h. C


HINT:

5 km/h = 3 mph



A

9.READ VALUE USING GTS (WHEEL SPEED)

B

10.READ VALUE USING GTS (WHEEL SPEED)

C

13.READ VALUE USING GTS (RR WHEEL SPEED)
9.READ VALUE USING GTS (WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of Wheel Speed.

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 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 > Data List
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50003 435 13,14,15,16
OK:

The difference between the value of RR Wheel Speed and all other values is less than 6%.


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 wheelspin.


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

NG

10.READ VALUE USING GTS (WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of Wheel Speed.

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 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 > Data List
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50003 435 13,14,15,16
OK:

The difference between the value of RR Wheel Speed and all other values is less than 6%.


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.


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

NG

11.CHECK REAR SPEED SENSOR RH INSTALLATION
11.CHECK REAR SPEED SENSOR RH INSTALLATION
a.
C168336C10
1.031,0.823 1.25,0.49 false 0.917,1.49 1.24,1.74 false 0.75,1.823 1.073,1.99 0.323,0.167 10 *a 2.427,1.823 2.75,1.99 0.323,0.167 10 *b 0.135,0.135 0.448,0.333 0.313,0.198 10 *1 1.292,0.313 1.625,0.521 0.333,0.208 10 *c 1.292,1.729 1.604,1.927 0.313,0.198 10 *d
*1 Rear Speed Sensor RH
*a Correct
*b Incorrect
*c 8.5 N*m (87 kgf*cm, 75 in.*lbf)
*d No clearance


Check the rear speed sensor RH installation.

OK:

There is no clearance between the rear speed sensor RH and the rear axle carrier RH.

The installation bolt is tightened properly.

Torque:

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



Result:
Proceed to
OK
NG



OK

12.CHECK REAR SPEED SENSOR ROTOR RH (CHECK FOR FOREIGN MATTER)

NG

12.CHECK REAR SPEED SENSOR ROTOR RH (CHECK FOR FOREIGN MATTER)

b.

Check the rear speed sensor rotor RH.

OK:

The rear speed sensor rotor RH is free of scratches, oil, and foreign matter.


NOTICE:
·

If there is oil or foreign matter on the rear speed sensor rotor RH, clean the rear speed sensor rotor RH.

·

Do not use parts cleaner when cleaning the rear speed sensor rotor RH.

·

If the rear speed sensor rotor RH is damaged, replace the rear axle hub and bearing assembly RH with a new one.



HINT:

The rear speed sensor rotor RH is incorporated into the rear axle hub and bearing assembly RH.

If the rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.



Result:
Result Proceed to
OK A
NG (The rear speed sensor rotor RH is damaged.) B
NG (There is foreign matter on the rear speed sensor rotor RH.) C



A

B

C

CLEAN REAR SPEED SENSOR ROTOR RH

13.READ VALUE USING GTS (RR WHEEL SPEED)

Pre-procedure1

a.

Start the engine.


b.

Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.


Procedure1

c.

Check the value of RR Wheel Speed.

Chassis > Brake/EPB > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
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
Chassis > Brake/EPB > Data List
Tester Display
RR Wheel Speed
50003 435 15
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 wheelspin, brake drag or wheel lockup.

When a DTC is stored during operation of ABS or TRC, the system also stores vehicle control history (RoB) that can be guessed the vehicle conditions.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>VEHICLE CONTROL HISTORY (RoB)


Result:
Result Proceed to
The value of RR Wheel Speed is 5 km/h or more A
None of the above conditions are met B


HINT:

5 km/h = 3 mph



Post-procedure1

d.

None



A

B

14.CHECK REAR SPEED SENSOR RH INSTALLATION
14.CHECK REAR SPEED SENSOR RH INSTALLATION
a.
C168336C10
1.031,0.823 1.25,0.49 false 0.917,1.49 1.24,1.74 false 0.75,1.823 1.073,1.99 0.323,0.167 10 *a 2.427,1.823 2.75,1.99 0.323,0.167 10 *b 0.135,0.135 0.448,0.333 0.313,0.198 10 *1 1.292,0.313 1.625,0.521 0.333,0.208 10 *c 1.292,1.729 1.604,1.927 0.313,0.198 10 *d
*1 Rear Speed Sensor RH
*a Correct
*b Incorrect
*c 8.5 N*m (87 kgf*cm, 75 in.*lbf)
*d No clearance


Check the rear speed sensor RH installation.

OK:

There is no clearance between the rear speed sensor RH and the rear axle carrier RH.

The installation bolt is tightened properly.

Torque:

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



Result:
Proceed to
OK
NG



OK

NG