DESCRIPTION
When the motor current 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 |
---|---|---|---|---|---|---|
C13BA1C |
Electronic Brake Booster Motor "A" Current Sensor Circuit Voltage Out of Range |
Motor current sensor current abnormality is detected for 0.2 seconds or more. |
Electric brake booster (brake booster with master cylinder assembly) |
Comes on |
Brake Booster |
|
MONITOR DESCRIPTION
When the electronically controlled brake system is operating or shutting down, the motor is not operating, and the current measured by the motor current sensor inside the ECU is less than a certain value or 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 |
C13BB (Case 1): Offset current monitor (current 1 high) C13BB (Case 2): Offset current monitor (current 1 low) C13BB (Case 3): Offset current monitor (current 2 high) C13BB (Case 4): Offset current monitor (current 2 low) |
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 |
During initial checking |
Duration |
0.2 seconds |
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:
HINT:
[*]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
HINT:
WIRING DIAGRAM
Refer to DTC C121F04.
Click here
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (+BS TERMINAL) |
*a |
Front view of wire harness connector (to Electric Brake Booster (Brake Booster with Master Cylinder Assembly)) |
(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
OK:
The connector is securely connected.
(b) Disconnect the A189 electric brake booster (brake booster with master cylinder assembly) connector.
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A189-11 (+BS) - Body ground |
Always |
11 to 14 V |
OK |
REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |