LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2007 >> tC Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Automatic Transaxle System >> How To Proceed With Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting

HINT:

  1. Vehicle Brought to Workshop 
  2. Customer Problem Analysis 
  3. Connect the intelligent tester to DLC3 
  4. Check and Clear DTCs and Freeze Frame Data 

    HINT:

    (See DTC CHECK / CLEAR  ).

  5. Visual Inspection 
  6. Setting the Check Mode Diagnosis 

    HINT:

    (See CHECK MODE PROCEDURE  ).

  7. Problem Symptom Confirmation 

    HINT:

    (See HOW TO PROCEED WITH TROUBLESHOOTING  ).

    Symptom does not occur: Go to step 8 

    Symptom occurs: Go to step   9 

  8. Symptom Simulation 

    HINT:

    (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).

  9. DTC Check 

    HINT:

    (See DTC CHECK / CLEAR  ).

    DTC is not output: Go to step 10 

    DTC is output: Go to step   17 

  10. Basic Inspection 

    HINT:

    (See ON-VEHICLE INSPECTION  , INSPECTION  and ADJUSTMENT  ).

    NG: Go to step   19 

    OK: GO TO NEXT STEP 

  11. Mechanical System Test 

    HINT:

    (See MECHANICAL SYSTEM TESTS  ).

    NG: Go to step   16 

    OK: GO TO NEXT STEP 

  12. Hydraulic Test 

    HINT:

    (See HYDRAULIC TEST  ).

    NG: Go to step   16 

    OK: GO TO NEXT STEP 

  13. Manual Shifting Test 

    HINT:

    (See INITIALIZATION  ).

    NG: Go to step   15 

    OK: GO TO NEXT STEP 

  14. Problem Symptoms Table Chapter 1 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  ).

    NG: Go to step   18 

    OK: GO TO NEXT STEP 

  15. Problem Symptoms Table Chapter 2 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  ).

  16. Part Inspection 

    Go to step   19 

  17. DTC Chart 

    HINT:

    (See DIAGNOSTIC TROUBLE CODE CHART  ).

  18. Circuit Inspection 
  19. Repair or Replace 
  20. Confirmation Test 

    END