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) |
| LIN |
| Main Body ECU (Multiplex Network Body ECU) | Roof Sunshade ECU (Sliding Roof Drive Gear Assembly) |
| 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) |
| LIN |
| Roof Sunshade ECU (Sliding Roof Drive Gear Assembly) | Sliding Roof ECU (Sliding Roof Drive Gear Assembly) |
| 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
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
How To Proceed With Troubleshooting
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
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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Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the windshield wiper motor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes. Body Electrical > Central Gateway > Trouble Codes (e) Read the DTCs. CLEAR DT
