Diagnosis Procedure

1.STOP LIGHT SWITCH SYSTEM

Check the stop light switch system. Refer to Diagnosis Procedure

Is the inspection result normal?

Repair / replace the stop light switch system.

2.CHECK BRAKE FLUID LEAKAGE

Check the brake fluid leakage. Refer to Inspection

Is the inspection result normal?

Repair or replace brake fluid leakage part.

3.CHECK BRAKE PIPING

Check the brake piping.

Front: Refer to Inspection.
Rear: Refer to Inspection.

Is the inspection result normal?

Repair / replace the brake piping.

Front: Refer to Removal and Installation.
Rear: Refer to Removal and Installation.

4.CHECK BRAKE PEDAL

Check the brake pedal.

Brake pedal height: Refer to Inspection and Adjustment.
Brake pedal assembly: Refer to Inspection and Adjustment.

Is the inspection result normal?

Adjust the brake pedal height or replace brake pedal assembly.

Adjust the brake pedal. Refer to Inspection and Adjustment.
Replace the brake pedal. Refer to Removal and Installation.

5.CHECK BRAKE MASTER CYLINDER

Check the brake master cylinder. Refer to CHECKING FUNCTION, WEAR AND DAMAGE OF MASTER CYLINDER AND BRAKE CALIPER

Is the inspection result normal?

Repair or replace brake master cylinder. Refer to Removal and Installation

6.CHECK ELECTRIC DRIVEN INTELLIGENT BRAKE UNIT

Check the electric driven intelligent brake unit. Refer to Inspection and Adjustment

Is the inspection result normal?

Repair or replace electric driven intelligent brake unit. Refer to Removal and installation

7.CHECK FRONT DISC BRAKE

Check the front disc brake. Refer to Inspection

Is the inspection result normal?

Repair or replace front disc brake. Refer to Removal and Installation

8.CHECK REAR DISC BRAKE

Check the rear disc brake. Refer to Inspection and Adjustment

Is the inspection result normal?

Repair or replace rear disc brake. Refer to Removal and Installation

9.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the power supply circuit and ground circuit of the ABS actuator and electric unit (control unit). Refer to Diagnosis Procedure

Is the inspection result normal?

Repair / replace harness, connector, terminal, fuse, or fusible link.

10.PERFORM DIAGNOSTIC TROUBLE CODE

M.U.T.-IIISE

Erase the DTC set in "ABS".
Change the power supply mode of the electric motor switch to OFF (Auto ACC function OFF).
Change the power supply mode of the electric motor switch is ON (READY indicator: ON)
note Wait at least 10 seconds after change the electric motor switch to ON,
Start the engine, and drive the vehicle for a short time.
note Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the vehicle.
Perform Diagnostic Trouble Code for “ABS".

Is DTC "C10AF-01" detected?

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation

Check if there is open circuit, looseness or damage in the ABS actuator and electric unit (control unit) harness connector. Repair / replace harness, connector or terminal.