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)  C05001F  Left Front Wheel Speed Sensor Circuit Intermittent  


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
C05001F Left Front Wheel Speed Sensor Circuit Intermittent
·

The speed sensor signal is excessively noisy.

·

The calculated change in wheel speed is more than 980 m/s2 for 5*1 or 20*2 seconds or more.

·

The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2 for 5*1 or 20*2 seconds or more.

·

When the vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds for 5*1 or 20*2 seconds or more.


·

Front speed sensor LH

·

Front speed sensor rotor LH


Brake/EPB A

*1: The stop light switch assembly is OFF.

*2: The stop light switch assembly is ON.


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 54 km/h (34 mph) or more for 3 seconds or more to clear the warning lights.




PROCEDURE

1.CHECK FRONT SPEED SENSOR LH (CHECK FOR FOREIGN MATTER)

Pre-procedure1


Procedure1

b.

Check the front speed sensor LH.

OK:

The front speed sensor LH tip is free of oil and foreign matter.


HINT:

If foreign matter of 1mm x 1mm or more is adhered to the front speed sensor LH, this DTC may be stored.


Result:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

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

NG

7.CLEAN FRONT SPEED SENSOR LH
2.CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)

Pre-procedure1


Procedure1

b.

Check the front speed sensor rotor LH.

OK:

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


HINT:
·

If foreign matter of 1mm x 1mm or more is adhered to the front speed sensor rotor LH, this DTC may be stored.

·

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:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

NG

3.CLEAN FRONT SPEED SENSOR ROTOR LH
3.CLEAN FRONT SPEED SENSOR ROTOR LH
a.

Clean the front speed sensor rotor LH.

NOTICE:

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



Result:
Proceed to
NEXT



NEXT

4.CLEAR DTC
4.CLEAR DTC

Pre-procedure1

a.

None


Procedure1

b.

Clear the DTCs.

Chassis > Brake/EPB > Clear DTCs
50002 435
Result:
Proceed to
NEXT



Post-procedure1

c.

Turn the ignition switch to off.



NEXT

5.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)
5.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)
a.

Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.

HINT:

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


Chassis > Brake/EPB > Utility
Tester Display
Signal Check
50005 435 4558
OK:

Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.


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:
Proceed to
OK
NG



OK

6.RECONFIRM DTC

NG

6.RECONFIRM DTC

Pre-procedure1

a.

Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.


Procedure1

b.

Check if the same DTC is output.

Chassis > Brake/EPB > Trouble Codes
50001 435
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
C05001F is not output A
C05001F is output B



Post-procedure1

c.

None



A

END

B

7.CLEAN FRONT SPEED SENSOR LH
a.

Clean the front speed sensor LH.

NOTICE:

When cleaning the front speed sensor LH, make sure to clean the installation hole before installation.



Result:
Proceed to
NEXT



NEXT

8.CLEAR DTC
8.CLEAR DTC

Pre-procedure1

a.

None


Procedure1

b.

Clear the DTCs.

Chassis > Brake/EPB > Clear DTCs
50002 435
Result:
Proceed to
NEXT



Post-procedure1

c.

Turn the ignition switch off.



NEXT

9.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)
9.PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK)
a.

Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.

HINT:

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


Chassis > Brake/EPB > Utility
Tester Display
Signal Check
50005 435 4558
OK:

Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.



Result:
Proceed to
OK
NG



OK

10.RECONFIRM DTC

NG

2.CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)
10.RECONFIRM DTC

Pre-procedure1

a.

Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.


Procedure1

b.

Check if the same DTC is output.

Chassis > Brake/EPB > Trouble Codes
50001 435
Result:
Result Proceed to
C05001F is not output A
C05001F is output B



Post-procedure1

c.

None



A

END

B

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