Lexus ES manuals

Lexus ES: Components

COMPONENTS

ILLUSTRATION

*1

CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

*2

ECU INTEGRATION BOX RH

*3

GLOVE COMPARTMENT DOOR ASSEMBLY

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 Lin Communication System (for Hv Model)

 Lost Communication with Power Source Control (B278C)

DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B27

 No Response from ID BOX (B2789)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection

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 Utility

UTILITY ALL READINESS HINT: With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream. Check "All Readiness" after simulating malfunction symptoms or for validation after finishing repairs. (a) Connect the Techstream to the DLC3. (b) Turn

 System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) Sliding roof operation permission signal IG signal Front door courtesy light switch assembly signal Key-linked

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