How To Proceed With Troubleshooting
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK )
- CHECK AND CLEAR DTCs (See SERVICE CHECK MODE (DTC CHECK) , SERVICE CHECK MODE (DTC CLEAR/RECHECK) )
- PROBLEM SYMPTOM CONFIRMATION
SYMPTOM DOES NOT OCCUR (Go to step 5)
SYMPTOM OCCURS (Go to step 6 )
- SYMPTOM SIMULATION (See HOW TO PROCEED WITH TROUBLESHOOTING )
- CHECK CAN COMMUNICATION SYSTEM (See PRECAUTION
)
HINT:
This ECU is connected to the CAN communication system. Therefore, be sure to check that there is no trouble in the CAN communication system before performing troubleshooting.
- CHECK DTC (See SERVICE CHECK MODE (DTC CHECK)
)
DTC IS OUTPUT (Go to step 11 )
DTC IS NOT OUTPUT (Go to step 8)
- CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM (See PROBLEM SYMPTOMS TABLE
)
The symptom appears (Follow the navigation symptom chart to perform troubleshooting) (See PROBLEM SYMPTOMS TABLE )
The symptom does not appear (Go to step 9)
- See PROBLEM SYMPTOMS TABLE
)
The corresponding symptom exists (Go to step 11 )
The corresponding symptom does not exist (Go to step 10)
- BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- See TERMINALS OF ECU ).
- ADJUSTMENT, REPAIR OR REPLACE
- CONFIRMATION TEST
END