Lexus ES manuals

Lexus ES: System Diagram

Lexus ES (XZ10) Service Manual / Steering / Steering Column / Power Tilt And Power Telescopic Steering Column System(for Gasoline Model) / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Main Body ECU (Multiplex Network Body ECU)

Multiplex Tilt and Telescopic ECU
  • IG SW signal
  • Store command of driver seat memory
  • Recall command of driver seat memory
  • Auto away/return state signal

CAN

Position Control ECU Assembly (Driver Seat)

Multiplex Tilt and Telescopic ECU
  • Memory recall signal
  • Start signal to play tilt and telescopic steering
  • Stop signal to play memory

Combination Meter Assembly

Multiplex Tilt and Telescopic ECU

Vehicle speed signal

Multiplex Tilt and Telescopic ECU

Main Body ECU (Multiplex Network Body ECU)

State signal of tilt and telescopic steering

Multiplex Tilt and Telescopic ECU

Position Control ECU Assembly (Driver Seat)
  • Tilt and telescopic recall and execution signal
  • Tilt and telescopic recall and end signal

Tilt and Telescopic Switch

Multiplex Tilt and Telescopic ECU

Tilt and Telescopic Switch signal

Direct line

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CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage with th

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 Operation Check

OPERATION CHECK REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) SELF CHECK NOTICE: Before entering self-diagnostic mode, make sure there are no obstructions which may interfere with operation of the remote touch screen, and that the remote touch screen is not dirty. Do not touch the remote

 Open in One Side of Bus 2 Branch Line

DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in

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