RM35X0E _54 Brake _078667 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0385049 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/ VSC OFF Switch) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/ VSC OFF Switch)  C050C1C  Left Rear Wheel Speed Sensor Circuit Voltage Out of Range  C05121C  Right Rear Wheel Speed Sensor Circuit Voltage Out of Range  


DESCRIPTION

Refer to DTC C050C12

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ VSC OFF Switch)>C050C12

DTC No. Detection Item DTC Detection Condition Trouble Area
C050C1C Left 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

·

Speed sensor installation

·

Rear speed sensor rotor LH (rear axle hub and bearing assembly LH)

·

Speed sensor installation

·

Tire wear

·

Tire pressure

·

Tire and wheel size


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

·

Speed sensor installation

·

Rear speed sensor rotor RH (rear axle hub and bearing assembly RH)

·

Speed sensor installation

·

Tire wear

·

Tire pressure

·

Tire and wheel size



*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.

DTC Detection Conditions: C050C1C
Vehicle Condition
Pattern 1 Pattern 2 Pattern 3 Pattern 4 Pattern 5 Pattern 6
Diagnosis Condition 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. - - -
The vehicle speed is less than 100 km/h (62 mph). - - -
Malfunction Status When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and 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. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and the value of the wheel speed is continuously the slowest. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and the wheel speed is less than 5 km/h (3 mph). - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and 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. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and the value of the wheel speed is continuously the slowest. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and the wheel speed is less than 5 km/h (3 mph). - - - - -
Detection Time Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions).
Number of Trips 1 trip 1 trip 1 trip 1 trip 1 trip 1 trip

*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.

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.


DTC Detection Conditions: C050C1C
Vehicle Condition
Pattern 7 Pattern 8 Pattern 9
Diagnosis Condition The vehicle speed is 100 km/h (62 mph) or more.
Malfunction Status When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and 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. - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and the value of the wheel speed is continuously the slowest. - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and the wheel speed is less than 5 km/h (3 mph). - -
Detection Time Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions).
Number of Trips 1 trip 1 trip 1 trip

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

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.


DTC Detection Conditions: C05121C
Vehicle Condition
Pattern 1 Pattern 2 Pattern 3 Pattern 4 Pattern 5 Pattern 6
Diagnosis Condition 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. - - -
The vehicle speed is less than 100 km/h (62 mph). - - -
Malfunction Status When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and 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. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and the value of the wheel speed is continuously the slowest. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more*1 and the wheel speed is less than 5 km/h (3 mph). - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and 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. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and the value of the wheel speed is continuously the slowest. - - - - -
When the difference between the highest wheel speed and the lowest wheel speed is 6 km/h (4 mph) or more*2 and the wheel speed is less than 5 km/h (3 mph). - - - - -
Detection Time Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions).
Number of Trips 1 trip 1 trip 1 trip 1 trip 1 trip 1 trip

*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.

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.


DTC Detection Conditions: C05121C
Vehicle Condition
Pattern 7 Pattern 8 Pattern 9
Diagnosis Condition The vehicle speed is 100 km/h (62 mph) or more.
Malfunction Status When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and 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. - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and the value of the wheel speed is continuously the slowest. - -
When the difference between the highest wheel speed and the lowest wheel speed is 6% or more* and the wheel speed is less than 5 km/h (3 mph). - -
Detection Time Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions). Between 9 and 72 seconds or more (period changes depending on vehicle conditions).
Number of Trips 1 trip 1 trip 1 trip

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

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.


CAUTION / NOTICE / HINT

NOTICE:
·

After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ VSC OFF Switch)>TEST MODE PROCEDURE

·

After replacing or removing and installing a speed sensor rotor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ VSC OFF Switch)>TEST MODE PROCEDURE

·

DTC precaution

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ VSC OFF Switch)>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 hereSuspension>TIRE / WHEEL>TIRE AND WHEEL SYSTEM>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.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake / Trouble Codes.


d.

Select a DTC to display the Freeze Frame Data.


e.

Read the freeze frame data of DTC C050C1C or C05121C.

Chassis > Brake
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 > DTC(C050C1C) > Freeze Frame Data
Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
50040 435 13,14,15,16 C050C1C
Chassis > Brake > 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 RL Wheel Speed is more than all other values. A
The value of RR Wheel Speed is more than all other values.
The value of RL Wheel Speed is less than all other values. B
The value of RR Wheel Speed is less than all other values.
The value of RL Wheel Speed is less than 5 km/h (3 mph). C
The value of RR Wheel Speed is less than 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 (WHEEL SPEED)
3.READ VALUE USING GTS (WHEEL SPEED)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake / Data List.

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

d.

Start the engine.


e.

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


f.

Check the value of Wheel Speed.

OK:

The difference between the value of RL Wheel Speed or 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



OK

NG

REPLACE REAR SPEED SENSOR

4.READ VALUE USING GTS (WHEEL SPEED)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake / Data List.

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

d.

Start the engine.


e.

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


f.

Check the value of Wheel Speed.

OK:

The difference between the value of RL Wheel Speed or 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



OK

NG

5.CHECK REAR SPEED SENSOR INSTALLATION
5.CHECK REAR SPEED SENSOR INSTALLATION
a.
C168336C45
0.917,1.49 1.24,1.74 false 0.75,1.823 1.073,1.99 0.323,0.167 10 false *a 0.135,0.135 0.448,0.333 0.313,0.198 10 false *1 1.281,1.698 1.615,1.906 0.333,0.208 10 false *c 2.438,1.865 2.75,2.063 0.313,0.198 10 false *b
*1 Rear Speed Sensor
*a Correct
*b Incorrect
*c No clearance


Check the rear speed sensor installation.

OK:

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

The installation bolt is tightened properly.



Result:
Proceed to
OK
NG



OK

6.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)

NG

6.CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER)

b.

Check the rear speed sensor rotor.

OK:

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


NOTICE:
·

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

·

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

·

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




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



A

B

C

CLEAN REAR SPEED SENSOR ROTOR

7.READ VALUE USING GTS (WHEEL SPEED)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake / Data List.

Chassis > Brake > 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
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 > Data List
Tester Display
RR Wheel Speed
RL Wheel Speed
50003 435 15,16

d.

Start the engine.


e.

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


f.

Check the value of Wheel Speed.

OK:

The value of Wheel Speed is 5 km/h (3 mph) or more.


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 that can be guessed the vehicle conditions.

for Type A: Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for Type A)>VEHICLE CONTROL HISTORY

for Type B: Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for Type B)>VEHICLE CONTROL HISTORY



Result:
Proceed to
OK
NG



OK

NG

8.CHECK REAR SPEED SENSOR INSTALLATION
8.CHECK REAR SPEED SENSOR INSTALLATION
a.
C168336C45
0.917,1.49 1.24,1.74 false 0.75,1.823 1.073,1.99 0.323,0.167 10 false *a 0.135,0.135 0.448,0.333 0.313,0.198 10 false *1 1.281,1.698 1.615,1.906 0.333,0.208 10 false *c 2.438,1.865 2.75,2.063 0.313,0.198 10 false *b
*1 Rear Speed Sensor
*a Correct
*b Incorrect
*c No clearance


Check the rear speed sensor installation.

OK:

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

The installation bolt is tightened properly.



Result:
Proceed to
OK
NG



OK

NG