Lexus ES manuals

Lexus ES: System Diagram

Lexus ES (XZ10) Service Manual / Steering / Steering Column / Power Tilt And Power Telescopic Steering Column System (for Hv 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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 System Description

SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor (steering column assembly) and telescop

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary bat

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, first m

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 Components

COMPONENTS ILLUSTRATION *1 BATTERY SERVICE HOLE COVER *2 SERVICE PLUG GRIP ILLUSTRATION *1 CONNECTOR COVER ASSEMBLY *2 ENGINE ROOM MAIN WIRE Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

 High Voltage Power Resource Circuit Short during Ready ON (P1C8449)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the high-voltage wiring between the HV battery and inverter with converter assembly and detects an open circuit malfunction. HINT: This DTC is differentiated from P300449 based on detection timing (after power switch is t

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