Check DTC with GDS.
Check DTC related CAN communication is set on SMK unit and every modules.
If there is DTC related Module Check the DTC according to troubleshooting guide.
Repair and erase the DTC with GDS.
Is the DTC erased?
![]() | ▶ Check poor connection between harness connector and SMK unit or ECM: Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Go to next procedure. |