RM38T0EC _54 Brake _112606 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0608077 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV Model) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV 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 steering sensor power supply circuit malfunction signal from the steering sensor.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
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 sensor power supply circuit malfunction signal is received from the steering sensor.
·

Wire harness or connector

·

Steering sensor


Does not come on Brake/EPB Output ECU: Skid control ECU (brake actuator assembly)

WIRING DIAGRAM

C401576E50
6.063,0.656 6.677,0.854 0.615,0.198 10 false CANL 0.813,0.677 1.427,0.875 0.615,0.198 10 false CANL 0.781,1.26 1.396,1.458 0.615,0.198 10 false CANH 6.052,1.271 6.667,1.469 0.615,0.198 10 false CANH 0.896,2.302 1.51,2.5 0.615,0.198 10 false BAT 2.021,2.458 3.083,2.781 1.063,0.323 10 false ECU-DCC NO. 1 3.625,2.313 5.219,2.604 1.594,0.292 10 false from Auxiliary Battery 3.563,3.573 5.708,3.927 2.146,0.354 10 false : CAN Communication Line 0.292,4.021 0.906,4.219 0.615,0.198 10 false I229 0.271,4.198 2,4.479 1.729,0.281 10 false Steering Sensor 5.552,4.042 6.167,4.24 0.615,0.198 10 false A151 5.563,4.208 7.125,4.583 1.563,0.375 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 1.302,1.083 1.615,1.281 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 0.885,3.177 1.5,3.375 0.615,0.198 10 false ESS 1.313,2.219 1.625,2.417 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
a.

Clear the DTCs.

Chassis > Brake/EPB > Clear DTCs
50002 435

b.

Turn the ignition switch off.


Result:
Proceed to
NEXT



NEXT

2.RECONFIRM DTC
2.RECONFIRM DTC
a.

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


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



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)
C491448C05
0.24,0.75 0.667,1.01 0.427,0.26 2,1.99 2.604,1.635 true 0.188,0.188 0.5,0.344 0.313,0.156 10 false *a 0.333,0.802 0.792,1 0.458,0.198 10 false I229 2.604,1.479 3.063,1.677 0.458,0.198 10 false BAT
*a Front view of wire harness connector
(to Steering Sensor)


a.

Remove the steering wheel and column cover.


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.



c.

Disconnect the I229 steering sensor connector.


d.

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

OK:

No deformation or corrosion.



e.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I229-4 (BAT) - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE STEERING SENSOR

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR