Lexus ES manuals

Lexus ES: Utility

UTILITY

INITIALIZE THE CONNECTION INFORMATION OF A GATEWAY FUNCTION EQUIPPED ECU (BUS MONITOR ECU)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus:

  • for Body Electrical / Central Gateway / Utility / Initialization
Body Electrical > Central Gateway > Utility

Tester Display

Initialization

  • for Body Electrical / Main Body / Utility / Initialization
Body Electrical > Main Body > Utility

Tester Display

Initialization

(e) Initialize the ECU.

READ NEXT:

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT PRECAUTIONS WHEN TROUBLESHOOTING NOTICE: Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with

 System Description

SYSTEM DESCRIPTION BRIEF DESCRIPTION (a) The Controller Area Network (CAN) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a h

 System Diagram

SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU Bus Monitor

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. INSPECT FRONT DRIVE SHAFT ASSEMBLY (a) Check that there is no excessive play in the radial direction of the outboard joint. (b) Check that the inboard joint slides smoothly in the thrust direction. (c) Check that there is no excessive play in the radial directi

 Check Bus 2 Line for Short to +B

DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termi

© 2016-2026 Copyright www.lexguide.net