PREPARATION
Special Service Tool
The actual shape of the tools may differ from those illustrated here.

Commercial Service Tools

PrecautionAudio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Optical sensor
Description
The optical sensor converts the outside brightness (lux) to voltage and
transmits the optical sensor signal to the BCM.
Component Function Check
1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT
Turn the ignition switch ON.
Select "OPTICAL SENSOR" of BCM (HEAD LAMP ...
Key reminder function symptoms
Symptom Table
KEY REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"Work flow". Refer to DLK-9, "Work Flow".
If the following symptoms are detected, check systems shown in
the "Diagnosis/service procedure" column
in this or ...