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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SYSTEM DESCRIPTION GENERAL (a) The rear window defogger wire (back window glass) is attached to the inside of the rear window and defogs the window surface quickly when the rear window defogger switch is pressed. The indicator light on the switch illuminates while the system is operating. This syste
DESCRIPTION The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system. for LED Type Turn Signal Light DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U100
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