DTC U0163: Last Communication With Navigation ECU [08/2019 - ]: Procedure

1. Use the Techstream to check if the CAN communication system is functioning normally.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Result	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

   HINT: 

   If the CAN communication system DTC U0163 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0163 first.

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  PRECAUTION [08/2017 - ]