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 COWL TOP PANEL INSULATOR *2 FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY *3 HEADLIGHT ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *A for TMC Made - - *1 FRONT SIDE MARKER LIGHT BULB *2 FRONT TURN SI
UTILITY OPERATION HISTORY HINT: History of Reason for Operation: The windshield wiper motor assembly stores Operation History which can be read using the Techstream, when a malfunction of the wiper and washer system occurs. Click here (a) Connect the Techstream to the DLC3. (b) Turn the power swit
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