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)  C124A00  Non-learning of the Braking System information  


DESCRIPTION

If the vehicle information stored by the skid control ECU (brake actuator assembly) does not match that sent from the ECM or a new skid control ECU (brake actuator assembly) is installed and the vehicle information has not been stored, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
C124A00 Non-learning of the Braking System information Engine, drive source and destination information sent from the ECM does not match the information of the skid control ECU or there is no information in memory.
·

ECM

·

Skid control ECU (brake actuator assembly)


Brake/EPB A

PROCEDURE

1.CHECK PART NUMBER (ECM)
a.

Check that the proper ECM is installed.

OK:

Proper ECM is installed.



b.

Check if the ECM was replaced before the DTC was stored.

OK:

ECM was not replaced.



Result:
Result Proceed to
OK A
NG (A proper ECM is not installed and/or the ECM was replaced.) B



A

2.CHECK PART NUMBER (BRAKE ACTUATOR ASSEMBLY)

B

REPLACE ECM

Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE CONTROL)>ECM>REMOVAL


2.CHECK PART NUMBER (BRAKE ACTUATOR ASSEMBLY)
a.

Check that a proper skid control ECU (brake actuator assembly) is installed.

OK:

Proper skid control ECU (brake actuator assembly) is installed.



b.

Check if the skid control ECU (brake actuator assembly) had been replaced before the DTC was stored.

OK:

Skid control ECU (brake actuator assembly) had not been replaced.



Result:
Result Proceed to
OK A
NG (The skid control ECU (brake actuator assembly) had been replaced.) B
NG (A proper skid control ECU (brake actuator assembly) is not installed.) C



A

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for Gasoline Model)>REMOVAL


B

3.CHECK CALIBRATION

C

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for Gasoline Model)>REMOVAL


3.CHECK CALIBRATION
a.

After replacing the skid control ECU (brake actuator assembly), check that "Calibration" is performed.

HINT:

If a new skid control ECU (brake actuator assembly) was installed, C124A00 and C051D54 are output before "Calibration" is performed.



Result:
Proceed to
OK
NG



OK

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for Gasoline Model)>REMOVAL


NG

PERFORM CALIBRATION

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for Gasoline Model)>RESET MEMORY / CALIBRATION