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)  C05001C  Left Front Wheel Speed Sensor Circuit Voltage Out of Range  


DESCRIPTION

Refer to DTC C050012

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>C050012

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
C05001C Left Front 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).



·

Front speed sensor LH

·

Front speed sensor rotor LH

·

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.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

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

Read the freeze frame data of DTC C05001C.

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(C05001C) > Freeze Frame Data
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50040 435 13,14,15,16 C05001C

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


HINT:

5 km/h = 3 mph



A

3.READ VALUE USING GTS (WHEEL SPEED)

B

4.READ VALUE USING GTS (WHEEL SPEED)

C

7.READ VALUE USING GTS (FL WHEEL SPEED)
3.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 FL 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

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPLACE FRONT SPEED SENSOR LH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>FRONT SPEED SENSOR>REMOVAL


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 FL 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

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

5.CHECK FRONT SPEED SENSOR LH INSTALLATION
5.CHECK FRONT SPEED SENSOR LH 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 Front Speed Sensor LH
*a Correct
*b Incorrect
*c 8.5 N*m (87 kgf*cm, 75 in.*lbf)
*d No clearance


Check the front speed sensor LH installation.

OK:

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

The installation bolt is tightened properly.

Torque:

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



Result:
Proceed to
OK
NG



OK

6.CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)

NG

REINSTALL OR REPLACE FRONT SPEED SENSOR LH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>FRONT SPEED SENSOR>INSTALLATION


6.CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)

Pre-procedure1

a.

Remove the component with the front speed sensor rotor LH.

HINT:

Click hereDrivetrain>AXLE AND DIFFERENTIAL>FRONT AXLE HUB>REMOVAL



Procedure1

b.

Check the front speed sensor rotor LH.

OK:

The front speed sensor rotor LH is free of scratches, oil, and foreign matter.


NOTICE:
·

If there is oil or foreign matter on the front speed sensor rotor LH, clean the front speed sensor rotor LH.

·

Do not use parts cleaner when cleaning the front speed sensor rotor LH.

·

If the front speed sensor rotor LH is damaged, replace the front speed sensor rotor LH with a new one.



HINT:

The front speed sensor rotor LH is incorporated into the front axle hub sub-assembly LH.

If the front speed sensor rotor LH needs to be replaced, replace it together with the front axle hub sub-assembly LH.


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



Post-procedure1

c.

None



A

REPLACE FRONT SPEED SENSOR LH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>FRONT SPEED SENSOR>REMOVAL


B

REPLACE FRONT SPEED SENSOR ROTOR LH

Click hereDrivetrain>AXLE AND DIFFERENTIAL>FRONT AXLE HUB>REMOVAL


C

CLEAN FRONT SPEED SENSOR ROTOR LH

7.READ VALUE USING GTS (FL 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 FL Wheel Speed.

Chassis > Brake/EPB > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
FL Wheel Speed Front wheel speed sensor LH 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
FL Wheel Speed
50003 435 14
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 FL 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

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

8.CHECK FRONT SPEED SENSOR LH INSTALLATION
8.CHECK FRONT SPEED SENSOR LH 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 Front Speed Sensor LH
*a Correct
*b Incorrect
*c 8.5 N*m (87 kgf*cm, 75 in.*lbf)
*d No clearance


Check the front speed sensor LH installation.

OK:

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

The installation bolt is tightened properly.

Torque:

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



Result:
Proceed to
OK
NG



OK

REPLACE FRONT SPEED SENSOR LH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>FRONT SPEED SENSOR>REMOVAL


NG

REINSTALL OR REPLACE FRONT SPEED SENSOR LH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>FRONT SPEED SENSOR>INSTALLATION