Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
| Sender | Receiver | Signal | Line |
| Main Body ECU (Multiplex Network Body ECU) | Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) | -
Sliding roof operation permission signal
-
IG signal
-
Front door courtesy light switch assembly signal
-
Key-linked operation signal
-
Wireless transmitter-linked operation signal
-
Vehicle speed signal
| LIN |
| Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) | Main Body ECU (Multiplex Network Body ECU) | Sliding roof position signal | LIN |
| Combination Meter Assembly | Main Body ECU (Multiplex Network Body ECU) | Vehicle speed signal | CAN |
| Main Body ECU (Multiplex Network Body ECU) | Combination Meter Assembly | Sliding roof open warning request signal | CAN |
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SYSTEM DESCRIPTION SLIDING ROOF SYSTEM DESCRIPTION (a) The sliding roof system controls the sliding roof operation using the sliding roof ECU (sliding roof drive gear sub-assembly). Operating the slid
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the sliding roof system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK AUTO OPERATION FUNCTION NOTICE:
Make sure that initialization has been completed before performing this inspection.
Click here
The sliding roof auto operation can be custo
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REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine unit removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Repl
DESCRIPTION The tire pressure warning ECU and receiver identifies the tire position for each tire pressure warning valve and transmitter according to the wheel speed signals from the skid control ECU and acceleration rate signal from each acceleration sensor built into each tire pressure warning val
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