Toyota Corolla Cross: Brake System Control Module "A" System Internal Failure (C059704)
DESCRIPTION
The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self-diagnosis.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
DTC Output from |
Note |
|---|---|---|---|---|---|---|
|
C059704 |
Brake System Control Module "A" System Internal Failure |
Internal failure of the skid control ECU (brake actuator assembly). |
Skid control ECU (brake actuator assembly) |
Comes on |
Brake/EPB |
|
MONITOR DESCRIPTION
The skid control ECU (brake actuator assembly) has a self-diagnosis function. When the self-diagnosis function detects an internal malfunction in the skid control ECU, the skid control ECU (brake actuator assembly) illuminates the MIL and stores this DTC.
MONITOR STRATEGY
|
Related DTCs |
C0597 (Case 1 to 4): ECU internal monitoring (VSC) |
|
Required Sensors/Components(Main) |
Skid control ECU (brake actuator assembly) |
|
Required Sensors/Components(Related) |
Skid control ECU (brake actuator assembly) |
|
Frequency of Operation |
Continuous |
|
Duration |
-: C0597 (Case 1-3, 1-4, 2, 3 and 4) Immediately up to 0.84 seconds: C0597 (Case 1-1) Immediately up to 1 second: C0597 (Case 1-2) |
|
MIL Operation |
Immediately |
|
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
|
Monitor runs whenever the following DTCs are not stored |
TMC's intellectual property |
|
Other conditions belong to TMC's intellectual property |
- |
TYPICAL MALFUNCTION THRESHOLDS
|
TMC's intellectual property |
- |
COMPONENT OPERATING RANGE
|
TMC's intellectual property |
- |
CONFIRMATION DRIVING PATTERN
NOTICE:
When performing the normal judgment procedure, make sure that the driver door is closed and is not opened at any time during the procedure.
HINT:
- After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
- When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off.
- Turn the ignition switch to ON (READY) and turn the GTS on.
- Wait for 1 second or more. [*]
HINT:
[*]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- Enter the following menus: Chassis / Brake/EPB* / Utility / All Readiness.
*: Electric Parking Brake System
- Check the DTC judgment result.
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE, perform driving pattern again.
PROCEDURE
|
1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
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END |
