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)  C14FE14  Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open  


DESCRIPTION

This DTC is stored when the skid control ECU (brake actuator assembly) receives a +B line open signal from the steering angle sensor.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
C14FE14 Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open With the +BS terminal voltage between 9.6 and 16.5 V, a steering angle sensor power supply circuit malfunction signal is received from the steering angle sensor.
·

Wire harness or connector

·

Steering angle sensor


Brake/EPB A

WIRING DIAGRAM

C401576E31
6.073,0.677 6.688,0.875 0.615,0.198 10 false CANL 0.823,0.698 1.438,0.896 0.615,0.198 10 false CANL 0.802,1.271 1.417,1.469 0.615,0.198 10 false CANH 6.073,1.26 6.688,1.458 0.615,0.198 10 false CANH 0.896,2.344 1.51,2.542 0.615,0.198 10 false BAT 2.021,2.5 3.083,2.823 1.063,0.323 10 false ECU-DCC NO. 1 3.604,2.344 4.802,2.708 1.198,0.365 10 false from Battery 3.563,3.594 5.708,3.948 2.146,0.354 10 false : CAN Communication Line 0.26,4.021 0.875,4.219 0.615,0.198 10 false E60 0.25,4.177 1.917,4.427 1.667,0.25 10 false Steering Angle Sensor 5.563,4.052 6.177,4.25 0.615,0.198 10 false A40 5.563,4.198 7.083,4.625 1.521,0.427 10 false Skid Control ECU (Brake Actuator Assembly) 5.75,0.5 6.083,0.698 0.333,0.198 10 false 19 1.292,0.51 1.604,0.708 0.313,0.198 10 false 8 1.302,1.094 1.615,1.292 0.313,0.198 10 false 3 1.313,3.073 1.625,3.271 0.313,0.198 10 false 6 5.802,1.094 6.135,1.292 0.333,0.198 10 false 5 0.906,3.219 1.521,3.417 0.615,0.198 10 false ESS 1.313,2.198 1.625,2.396 0.313,0.198 10 false 4

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.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

2.RECONFIRM DTC
2.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
C14FE14 is not output A
C14FE14 is output B



Post-procedure1

c.

None



A

USE SIMULATION METHOD TO CHECK

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


B

3.CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)
3.CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

Pre-procedure1

a.

Remove the steering wheel and column cover.


Procedure1

b.

Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.



Pre-procedure2

c.

Disconnect the E60 steering angle sensor connector.


Procedure2

d.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



Procedure3

e.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition

Click Location & Routing(E60)Location & Routing

Click Connector(E60)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Steering Sensor

E60-4 (BAT) - Body ground Always 11 to 14 V


Result:
Proceed to
OK
NG



Post-procedure1

f.

None



OK

REPLACE STEERING ANGLE SENSOR

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>STEERING ANGLE SENSOR>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR