Component Function Check

CONSULT

1. Ignition switch ON.
2. Select "HEAD LAMP" of "BCM".
3. Select "OPTI SEN (DTCT)" in "Data Monitor" mode.
4. Turn lighting switch AUTO.
5. With the optical sensor illuminating, check the monitor status.

   Monitor item	Condition		Voltage (Approx.)
   OPTI SEN (DTCT)	Optical sensor	When illuminating	3.1 V or more *
   		When shutting off light	0.6 V or less

*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.

Is the inspection result normal?

YES

Optical sensor is normal.

NO

Refer to Diagnosis Procedure .