Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
Transmitting ECU | Receiving ECU | Signal | Communication Method |
Certification ECU (smart key ECU assembly) | Main body ECU (multiplex network body ECU) | Luggage electrical key switch signal | CAN |
Combination meter assembly | Main body ECU (multiplex network body ECU) | Vehicle speed signal | CAN |
Main body ECU (multiplex network body ECU) | Luggage closer motor assembly | -
Luggage electrical key switch signal
-
Vehicle speed signal
-
Luggage door opening cancel switch assembly signal
-
Luggage compartment door opening switch signal
| CAN |
Main body ECU (multiplex network body ECU) | Kick door control sensor | | LIN |
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CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power trunk lid system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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CHECK FOR INTERMITTENT PROBLEMS NOTICE:
If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history h
OPERATION CHECK CHECK CUSTOMIZE PARAMETERS (a) The operation check below is based on the non-customized initial condition of the vehicle. Click here OPERATION CONDITIONS (a) Operation conditions wh
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COMPONENTS ILLUSTRATION *1 LUGGAGE COMPARTMENT FLOOR MAT *2 SPARE WHEEL COVER TRAY ILLUSTRATION *1 REAR FLOOR FINISH PLATE *2 LUGGAGE HOLD BELT STRIKER ASSEMBLY ILLUSTRATION *A for Type A *B for Type B *1 LUGGAGE COMPARTMENT TRIM COVER LH *2 LUGGAGE COMP
SYSTEM DESCRIPTION FUNCTION OF COMPONENTS (a) The parking support brake system consists of the following components: Component Function Clearance Warning ECU Assembly
Sends the drive force request signals and control status signals to the hybrid vehicle control ECU and skid control ECU
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