Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Door / Hatch / Power Trunk Lid System (for Gasoline Model) / System Diagram
SYSTEM DIAGRAM
Communication Table | Transmitting ECU | Receiving ECU | Signal | Communication Method |
|---|---|---|---|
| Certification ECU (smart key ECU assembly) | Main body ECU (multiplex network body ECU) | Luggage electrical key switch signal | CAN |
| Combination meter assembly | Main body ECU (multiplex network body ECU) | Vehicle speed signal | CAN |
| Main body ECU (multiplex network body ECU) | Luggage closer motor assembly |
| CAN |
| Main body ECU (multiplex network body ECU) | Kick door control sensor |
| LIN |
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power trunk lid system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS NOTICE:
If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history h
Operation Check
OPERATION CHECK CHECK CUSTOMIZE PARAMETERS (a) The operation check below is based on the non-customized initial condition of the vehicle. Click here OPERATION CONDITIONS (a) Operation conditions wh
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Removal
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 sliding roof housing removal/installation are shown below. Necessary Procedure After Parts Removed/Insta
Lost Communication With Body Control Module "B" (U0142)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0142 Lost Communication with Main Body ECU No communication with main body ECU (multiplex network body ECU)
CAN communication system
Main body ECU (multiplex network body ECU)
PROCEDURE 1. GO
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