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 | | LIN |
READ NEXT:
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 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 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
SEE MORE:
DESCRIPTION Initialization is necessary if one of the following occurs:
The tire pressure warning ECU and receiver is replaced.
A tire pressure warning valve and transmitter is replaced.
Tires with different standard tire pressures are installed.
The tires are rotated.
A new vehicle is de
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) - PROCEDURE 1. RECONFIR
© 2016-2026 Copyright www.lexguide.net
