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 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 )