Diagnosis Procedure

1.STOP LIGHT SWITCH SYSTEM

Check the stop light switch system. Refer to Diagnosis Procedure

Is the inspection result normal?

Repair or replace stop light switch system.

2.CHECK BRAKE FLUID LEAKAGE

Check the brake fluid leakage. Refer to InspectionInspection

Is the inspection result normal?

Repair or replace brake fluid leakage part.

3.CHECK BRAKE PIPING

Check the brake piping.

Front: Refer to InspectionInspection.
Rear: Refer to InspectionInspection.

Is the inspection result normal?

Repair or replace 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 InspectionInspection

Is the inspection result normal?

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

6.CHECK BRAKE BOOSTER

Check the brake booster. Refer to InspectionInspection

Is the inspection result normal?

Repair or replace brake booster. Refer to Removal and InstallationRemoval and installation

7.CHECK VACUUM PIPING AND CHECK VALVE

Check the vacuum piping and check valve. Refer to Inspection

Is the inspection result normal?

Repair or replace vacuum piping. Refer to Removal and Installation

8.CHECK FRONT DISC BRAKE

Check the front disc brake. Refer to InspectionInspection

Is the inspection result normal?

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

9.CHECK REAR DISC BRAKE

Check the rear disc brake. Refer to Inspection and AdjustmentInspection and Adjustment

Is the inspection result normal?

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

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

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

Is the inspection result normal?

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

11.PERFORM SELF-DIAGNOSIS

With M.U.T.-III SE

Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.
note Wait at least 10 seconds after start the engine.
Start the engine and drive the vehicle for a short period of time.
note Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the vehicle.
Perform self-diagnosis for “ABS”.

Is DTC “C106C-16” detected?

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

Check the ABS actuator and electric unit (control unit) harness connector and terminal for damage, looseness and disconnection. Repair / replace harness, connector, or terminal.