Inspection Procedure

1. Check for DTCs and note any codes that are output (see DTC CHECK / CLEAR  ).
2. Clear the DTC (see DTC CHECK / CLEAR  ).
3. Recheck for DTC (see DTC CHECK / CLEAR  ).

   Result: 

   RESULT CHART
   
   

   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 U0129 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0129 first.

B: Go to CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

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