Lexus ES manuals

Lexus ES: 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

  • Luggage electrical key switch signal
  • Vehicle speed signal
  • Luggage door opening cancel switch assembly signal
  • Luggage compartment door opening switch signal

CAN

Main body ECU (multiplex network body ECU)

Kick door control sensor

  • ACC signal
  • IG signal

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 NEXT

 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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 Registered Device cannot be Deleted

PROCEDURE 1. DELETE OPERATION (a) Check if a registered portable player can be deleted normally. OK: Registered portable player can be deleted normally. OK END NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

 Removal

REMOVAL PROCEDURE 1. REMOVE AIR CONDITIONING CONTROL ASSEMBLY Click here 2. REMOVE FRONT DOOR SCUFF PLATE LH Click here 3. REMOVE COWL SIDE TRIM BOARD LH Click here 4. REMOVE FRONT DOOR OPENING TRIM COVER LH Click here 5. REMOVE INSTRUMENT SIDE PANEL LH Click here 6. REMOVE NO. 1 INSTRUMEN

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