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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 Parts Location

PARTS LOCATION ILLUSTRATION *1 PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY) *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - EPB NO. 1 FUSE *4 SKID CONTROL ECU ASSEMBLY (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY) ILLUSTRATION *1 PARKING BRAKE

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected: System See Procedure Lane Control System (for Gasoline Model)

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