Inspection Procedure

Refer to CAN communication system (U0122, see DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE ).

1. CHECK CAN COMMUNICATION SYSTEM 
   1. Select "Bus Check" from the "System Select" (see DIAGNOSIS SYSTEM )
   2. Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter" (see DIAGNOSIS SYSTEM )

      OK: 

      CAN communication system DTC is not output. 

      NG: GO TO CAN COMMUNICATION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

      OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )