Inspection Procedure

CHECK FOR DTC

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

Result:

RESULT REFERENCE

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 )