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Home >> Lexus >> 2004 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> CAN Communication System >> System Description
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System Description

DIAGNOSIS SYSTEM

1. BUS CHECK

HINT: The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the hand-held tester via CAN VIM.




a. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.




b. Press "ENTER" on the hand-held tester via CAN VIM.




c. The screen displays the ECUs and sensors that are properly connected to the CAN communication system.

HINT: There is a communication stop in the system of any properly connected ECUs or sensors that are not displayed.

2. CHECK FOR INSTALLED SYSTEMS (ECUS & SENSORS) THAT ADOPT CAN COMMUNICATION




Systems (ECUs, sensors) that adopt CAN communication vary depending on the vehicle's optional settings. Check which systems (ECUs, sensors) are installed on the vehicle.