Diagnosis System

CAN COMMUNICATION SYSTEM:

DIAGNOSIS SYSTEM

1. BUS CHECK
(a) Using Techstream, select "CAN Bus Check" from the "System Select".
2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) Systems (ECUs, sensors) that use CAN communication vary depending on the vehicle's optional equipment. Check which systems (ECUs, sensors) are installed on the vehicle.





3. DTC TABLE BY ECU

HINT:
- For the CAN communication system, CAN communication system DTCs stored in certain ECUs can be displayed using Techstream.
- If CAN communication system DTCs are output, trouble cannot be determined only by the DTCs. Perform troubleshooting according to "HOW TO PROCEED WITH TROUBLESHOOTING" (How to Proceed With Troubleshooting).

(a) Skid control ECU (w/ VSC)

HINT: DTC communication uses the CAN communication system.





4. DTCS COMBINATION TABLE





HINT:
- O:Set
- X: Not set or may be set according to the malfunctioning part when one side of the CAN bus wire opens