How To Proceed With Troubleshooting
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS
- CHECK AND CLEAR DTCs
- Refer to the diagnostic check/clear (See DTC CHECK / CLEAR ).
- PROBLEM SYMPTOM CONFIRMATION
SYMPTOM DOES NOT OCCUR (Go to step 5 )
SYMPTOM OCCURS (Go to step 6 )
- SYMPTOM SIMULATION
- CHECK DTC
DTC IS OUTPUT (Go to step 10 )
DTC IS NOT OUTPUT (Go to step 7 )
- CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
- Refer to the LEXUS navigation system (See PROBLEM SYMPTOMS TABLE ).
The symptom appears (Follow the navigation symptom chart to perform troubleshooting)
The symptom does not appear (Go to step 8 )
- PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table (See PROBLEM SYMPTOMS TABLE ).
The corresponding symptom exists (Go to step 10 )
The corresponding symptom does not exist (Go to step 9 )
- BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- Terminals of ECU (See TERMINALS OF ECU ).
- ADJUSTMENT, REPAIR OR REPLACE
- CONFIRMATION TEST
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