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 Assembly) | -
Sliding roof operation permission signal
-
IG signal
-
Front door courtesy light switch assembly signal
-
Vehicle speed signal
| LIN |
| Main Body ECU (Multiplex Network Body ECU) | Roof Sunshade ECU (Sliding Roof Drive Gear Assembly) | -
Roof sunshade operation permission signal
-
IG signal
-
Vehicle speed signal
| LIN |
| Sliding Roof ECU (Sliding Roof Drive Gear Assembly) | Main Body ECU (Multiplex Network Body ECU) | Sliding roof glass position signal | LIN |
| Sliding Roof ECU (Sliding Roof Drive Gear Assembly) | Roof Sunshade ECU (Sliding Roof Drive Gear Assembly) | -
Sliding roof position signal
-
Sliding roof reverse signal
-
Sliding roof malfunction status signal
-
Sliding roof auto operation availability status signal
-
Roof sunshade switch signal
| LIN |
| Roof Sunshade ECU (Sliding Roof Drive Gear Assembly) | Sliding Roof ECU (Sliding Roof Drive Gear Assembly) | -
Roof sunshade position signal
-
Roof sunshade reverse signal
-
Roof sunshade malfunction status 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 PANORAMIC MOON ROOF SYSTEM DESCRIPTION (a) The panoramic moon roof system controls the sliding roof operation using the sliding roof ECU (sliding roof drive gear assembly) and roof
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the panoramic moon roof system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK AUTO OPERATION FUNCTION (FOR SLIDING ROOF) NOTICE:
Make sure that initialization has been completed before performing this inspection.
Click here
The sliding roof auto ope
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DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) acquires the steering angle sensor zero point every time the power switch on (READY) and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. The skid control ECU (brake booster with master cylin
DESCRIPTION The outer mirror switch assembly sends the mirror adjust switch signals to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) then sends the received mirror adjust switch signals to the outer mirror control ECU assembly (front passenger door) v
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