A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
  • Manufacturer Code Charts
    • 1, 2 and 3 Digit Codes
      • 12
      • 13
      • 14
      • 15
      • 21
      • 22
      • 23
      • 44
      • 45
      • 51
      • 52
      • 53
      • 54
      • 55
    • Diagnostic Test Procedures
      • Test 1 - Operational Test
      • Test 2 - Coolant Temperature Switch Test
      • Test 3 - Vacuum Switch Circuit Test
      • Test 4 - Thermal Electric Switch (TES) Circuit Test
      • Test 5 - Engine RPM (Tach) Voltage Test
      • Test 6 - Mixture Control (MC) Solenoid Test
  • Related Tests, Information and Procedures
    • Chart 1-C4 System Operational Test
    • Chart 2-Dwell Fixed Between 5 Degrees and 10 Degrees
    • Chart 3-Dwell Fixed Between 10 Degrees and 50 Degrees
    • Chart 4-Dwell Fixed Between 50 Degrees and 55 Degrees
    • Chart 5-Self-Diagnostic Circuit Test
    • Chart 6-Test Bulb Circuit Inoperative
    • Chart 7-Adaptive Vacuum Switch Circuit Test