Toyota Corolla Cross: Electronic Brake Booster Motor "A" Over Temperature (C11704B)
DESCRIPTION
When the temperature sensor inside the electric brake booster (brake booster with master cylinder assembly) meets the detection conditions, this DTC is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
DTC Output from |
Note |
|---|---|---|---|---|---|---|
|
C11704B |
Electronic Brake Booster Motor "A" Over Temperature |
The temperature of the electric brake booster (brake booster with master cylinder assembly) main unit is 142°C (288°F) or more. |
Electric brake booster (brake booster with master cylinder assembly) |
Comes on |
Brake Booster |
|
MONITOR DESCRIPTION
A temperature sensor that measures the temperature of the motor drive circuit is built into the electric brake booster (brake booster with master cylinder assembly).
When the electric brake booster (brake booster with master cylinder assembly) is starting or operating and the measured value of the temperature sensor exceeds a certain value, the electric brake booster (brake booster with master cylinder assembly) illuminates the MIL and stores this DTC.
MONITOR STRATEGY
|
Related DTCs |
C1170: Over temperature level 2 |
|
Required Sensors/Components(Main) |
Electric brake booster (brake booster with master cylinder assembly) |
|
Required Sensors/Components(Related) |
Electric brake booster (brake booster with master cylinder assembly) |
|
Frequency of Operation |
Continuous |
|
Duration |
0.65 seconds |
|
MIL Operation |
2 driving cycles |
|
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 Booster / Utility / All Readiness.
- 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 BOOSTER WITH MASTER CYLINDER ASSEMBLY |
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READ NEXT:
Brake System Control Module "A" System Voltage Line Internal Electronic Failure
(C117A49,C137BA2)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the
skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function
prohibits ABS, brake assist, regene
Brake Pressure Sensor "A" / Brake Switch "A" Signal Compare Failure (C117B62)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives stop
light switch assembly signals and uses them to determine whether or not the brakes
are applied.
When the brake pedal is d
Target Brake Pressure Sensor "A" for Force Blending Signal Malfunction (C117C00,C117D00)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
DTC Output from
Note
C117C00
SEE MORE:
Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the clearance warning
ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following procedure.
PROCEDURE
1.
CHECK HARNESS AND CO
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
COMPONENTS (REASSEMBLY)
Procedure
Part Name Code
1
IGNITION OR STARTER SWITCH ASSEMBLY
84450
-
-
-
2
UN-LOCK WAR
