Inspection Procedure

1. Clear the DTCs (see DTC CHECK/CLEAR ).
2. Check for DTCs (see DTC CHECK/CLEAR ).

   Result 

   DTC OUTPUT RESULT
   
   

   Result	Proceed to
   C1641/5C-6B reappears	A
   No DTCs are output	B

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

A: GO TO SFI SYSTEM  (See SFI SYSTEM )