How To Proceed With Troubleshooting

NOTE: Troubleshoot in accordance with the procedure in the following articles.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CONFIRMATION (See PROBLEM SYMPTOMS TABLE )
CRANK ENGINE FOR MORE THAN 10 SECONDS
CHECK DIAGNOSTIC TROUBLE CODE OF ECM (See PRE-CHECK )
1. When any of codes P0513 (1MZ-FE engine), B2795 (2AZ-FE engine), B2796, B2797 or B2798 is output, go to next step .
2. When a code except P0513 (1MZ-FE engine), B2795 (2AZ-FE engine), B2796, B2797 and B2798 is output or no code is output, proceed to B : SFI SYSTEM (2AZ-FE engine: See SELF DIAGNOSTICS - 4-CYLINDER ) (1MZ-FE engine: See SELF DIAGNOSTICS - V6 ) .
CHECK DIAGNOSTIC TROUBLE CODE (See DIAGNOSTIC TROUBLE CODE CHART )
1. Check a DTC and note it down if a code is output.
2. Delete the DTC.
3. Check if the DTC will be output once again, when the problem symptom is simulated based on the noted code.
  1. Without an output of the code, Go To Next Step .
  2. With an output of the code, Go to step 7 .
PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
1. Without applicable symptoms, go to next step .
2. With applicable symptoms, go to step 8 .
ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING
1. Pre-check (See PRE-CHECK ).
2. Terminals of ECU (See TERMINALS OF ECU ).
ADJUSTMENT, REPAIR OR REPLACE
1. END