Inspection Procedure

HINT:

Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while performing the inspection below will help determine the cause of the malfunction.

1. CHECK FOR OPEN IN ONE SIDE OF CAN NO. 1 BUS BRANCH WIRE 
   1. Confirm the systems (ECUs and sensors), which use CAN communication, equipped on the vehicle. (See DIAGNOSIS SYSTEM  )
   2. Using the Techstream, select and perform "CAN Bus Check". (See DIAGNOSIS SYSTEM  )
   3. Observe the screen for approximately 1 minute to check the ECUs and sensors that are not displayed on the screen and also those that repeatedly appear and disappear from the screen.
   4. Check that the ECUs and sensors, which are connected to the ECUs or sensors that are not displayed on the screen.
   5. Check that the ECUs and sensors, which repeatedly appeared and disappeared from the "CAN Bus Check" screen, are constantly displayed.

      NEXT: GO TO CORRESPONDING COMMUNICATION STOP MODE