Lexus ES: 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 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
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 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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DESCRIPTION
This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.
This DTC is stored if the rear television camera assembly receives a signal via CAN communication from the steering sensor that indic
You must only use unleaded gasoline.
Select unleaded gasoline with an
octane rating of 87 (Research
Octane Number 91) or higher
required for optimum engine performance
and fuel economy. If the
octane rating is less than 87, damage
to the engine may occur and
may void the vehicle warranty.
A
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