Diagnosis System

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: Displaying BUS CHECK

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Press "ENTER" on the hand-held tester via CAN VIM.
   Fig 2: Displaying 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 CHECK CAN BUS LINE ).

   Fig 3: Displaying BUS CHECK

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. 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.
   ECU/SENSOR NAME
   
   

   ECU/Sensor name	Check method
   Skid control ECU	Installed on all vehicles.
   Steering sensor	Installed on all vehicles.
   Yaw rate sensor	Installed on all vehicles.
   ECM	Installed on all vehicles.
   Distance control ECU (1)	The millimeter wave laser sensor is installed on the front of the vehicle.
   Gateway	ECU Installed on all vehicles.
   (1) w/Dynamic laser cruise control system only.