Commercial Service Tool

Precaution
Symptom diagnosisHeated seat
Wiring Diagram
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Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE: PWM signal control period is
approximately 250 Hz (in the gradual brightening/dimming).
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver ou ...
Audio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
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