DTC

U0433:00

Abnormal message from laser sensor

DETECTION CONDITION

• Correct data cannot be received from laser sensor

FAIL-SAFE FUNCTION

• Illuminates the master warning light.

• Inhibits the Smart City Brake Support (SCBS) control.

POSSIBLE CAUSE

• Laser sensor malfunction

SYSTEM WIRING DIAGRAM

Not applicable

STEP

INSPECTION

ACTION

1

• Switch the ignition to off.

• Using the M-MDS, perform the DTC inspection for the laser sensor.

  (See ON-BOARD DIAGNOSIS [LASER SENSOR].)

• Are any DTCs detected?

Yes

Go to applicable DTC inspection.

(See ON-BOARD DIAGNOSIS [LASER SENSOR].)

No

Go to the next step.

2

• Clear the DTCs from the memory.

  (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)

• Are the same DTCs present?

Yes

Repeat the inspection from Step 1.

If the malfunction recurs, replace the laser sensor, then go to the next step.

(See LASER SENSOR REMOVAL/INSTALLATION.)

No

Go to the next step.

3

• Are any other DTCs output?

Yes

Go to the applicable DTC inspection.

(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)

No

DTC troubleshooting completed.