A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Manufacturer Code Charts
    • DTC 12
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 23
    • DTC 34
    • DTC 41
    • DTC 42
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 54
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 Dwell Fixed Under 10 Degrees
      • Chart A-2 Dwell Fixed Between 10 and 50 Degrees
      • Chart A-2 Dwell Fixed Over 50 Degrees
      • Chart A-3 Dwell Fixed Over 50 Degrees
      • Chart A-5 Service Engine Soon Light Inoperative
      • Chart A-6 Won't Flash Code 12
    • C Charts
      • Chart C-4B Ignition System Check
      • Chart C-4B Ignition System Check (Remote Coil)
      • Chart C-4C EST Performance Check
      • Chart C-6B Air Management Check Diverter Valve Check
      • Chart C-6B Air Management Check Elec. Diverter Valve Check
      • Chart C-8A Torque Converter Clutch (TCC) Diagnosis
      • Chart C-9A Early Fuel Evaporation Check Electrically Heated