Diagnosis System

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

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.
1. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.
  
  Fig 1: Selecting Bus Check From OBD/MOBD Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Press "ENTER" on the hand-held tester via CAN VIM.
  
  Fig 2: Display Press ENTER
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. 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 (see PROBLEM SYMPTOMS TABLE ).

Fig 3: Display ECUS And Sensors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002