Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
| Transmitting ECU | Receiving ECU | Signal | Communication Method |
| Multiplex Network Master Switch Assembly | Power Window Regulator Motor Assembly (for Driver Door) | Power window auto up and down signal | LIN |
-
Power Window Regulator Motor Assembly (for Front Passenger Door)
-
Power Window Regulator Motor Assembly (for Rear LH Door)
-
Power Window Regulator Motor Assembly (for Rear RH Door)
| Power window remote up and down signal | LIN |
| Main Body ECU (Multiplex Network Body ECU) | -
Power Window Regulator Motor Assembly (for Driver Door)
-
Power Window Regulator Motor Assembly (for Front Passenger Door)
-
Power Window Regulator Motor Assembly (for Rear LH Door)
-
Power Window Regulator Motor Assembly (for Rear RH Door)
| Power window operation permission signal | LIN |
| Certification ECU (Smart Key ECU Assembly) | Main Body ECU (Multiplex Network Body ECU) | Wireless power window operation signal | CAN |
| Main Body ECU (Multiplex Network Body ECU) | Combination Meter Assembly | Window open warning request signal | CAN |
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SYSTEM DESCRIPTION POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motor assemblies. The main controls
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power window control system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK WINDOW LOCK FUNCTION HINT: Before performing the window lock switch operation check, make sure that the window lock switch is off (the switch is not pushed in). (a) Turn the win
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SYSTEM DESCRIPTION POWER MIRROR CONTROL SYSTEM (w/o Memory) DESCRIPTION (a) This system has the following functions: electrical remote control mirror function, power retract mirror function, mirror heater function and automatic glare-resistant EC mirror function. FUNCTION OF MAIN COMPONENT Compon
INSPECTION PROCEDURE 1. INSPECT FRONT DRIVE SHAFT ASSEMBLY (a) Check that there is no excessive play in the radial direction of the outboard joint. (b) Check that the inboard joint slides smoothly in the thrust direction. (c) Check that there is no excessive play in the radial directi
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