DTC

U1A14:49

Laser sensor internal electronic malfunction

DETECTION CONDITION

• Laser sensor detects the internal electronic malfunction when the ignition is switched ON.

FAIL-SAFE FUNCTION

• Inhibits the smart city brake support (SCBS) controls.

• Illuminates the master warning light

• The message ”SCBS Inspection Required” is indicated in the display.

POSSIBLE CAUSE

• Laser sensor malfunction

SYSTEM WIRING DIAGRAM

Not applicable

STEP

INSPECTION

ACTION

1

• Switch the ignition to off.

• Switch the ignition ON (engine on).

Go to the next step.

2

• Clear the DTCs from the memory.

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

• 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 [LASER SENSOR].)

No

DTC troubleshooting completed.