Home › Vehicle Exterior › Wiper/Washer › WIPER AND WASHER SYSTEM
Last Modified: 11-27-2007 1.6 U
Service Category: Vehicle Exterior Section: Wiper/Washer
Model Year: 2008 Model: LX570 Doc ID: RM000002M5X006X
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: SYSTEM DIAGRAM (2008 LX570)

SYSTEM DIAGRAM



Communication Table

Transmitter

Receiving

Signal

Line

Rain Sensor

Windshield Wiper ECU
  • HI continuous operation command signal
  • LO continuous operation command signal
  • LO single operation command signal
  • Manual intermittent operation command signal
  • Wiper angle variable demand signal

LIN

Windshield Wiper Switch

No. 2 Main Body ECU

Rear wiper switch signal

Direct Line

Combination Meter

Main Body ECU

Vehicle speed signal

Direct Line

Windshield Wiper ECU

Rain Sensor

Wiper and washer switch signal

LIN

ECM

No. 2 Main Body ECU

Reverse position signal

CAN

HINT:

  • Wiper operation is controlled by the main body ECU.
  • The rain sensor controls the auto wiper function.