Engine Controls - Tests W/Codes

• Connector Identification
• Diagnostic Trouble Code Identification
• Circuit Tests
  • Notes
  • Malfunction Indicator Light (Mil) Malfunction
    • Intermittent Symptom
    • Malfunction Indicator Light (MIL) Never Comes On, Even For 2 Seconds, After Ignition Is Turned On
    • Malfunction Indicator Light (MIL) Stays On Or Comes On After 2 Seconds
  • DTC P0107 - Map Sensor Circuit Low Voltage Input (High Vacuum)
  • DTC P0108 - Map Sensor Circuit High Voltage Input (Low Vacuum)
  • DTC P0112 - Intake Air Temperature (IAT) Sensor Low Voltage Input
  • DTC P0113 - Intake Air Temperature (IAT) Sensor High Voltage Input
  • DTC P0116 - Engine Coolant Temperature Sensor Range/Performance Problem
  • DTC P0117 - Engine Coolant Temperature Sensor Low Voltage Input
  • DTC P0118 - Engine Coolant Temperature Sensor High Voltage Input
  • DTC P0122 - Throttle Position (TP) Sensor Low Voltage Input
  • DTC P0123 - Throttle Position (TP) Sensor High Voltage Input
  • DTC P0131 - Primary Ho2S-1 Low Voltage
  • DTC P0132 - Primary Ho2S-1 Sensor High Voltage
  • DTC P0133 - Primary Ho2S-1 Slow Response
  • DTC P0135 Or DTC P0141 - Ho2S Heater Circuit Malfunction
  • DTC P0137 - Secondary Ho2S-2 Low Voltage
  • DTC P0138 - Secondary Ho2S-2 High Voltage
  • DTC P0139 - Secondary Ho2S-2 Slow Response
  • DTC P0171 & DTC P0172 - Fuel Supply System
  • DTC P0300 & P0301-P0304 - Random Cylinder Misfire Detected
    • Notes
    • Random Misfire Occurs During Low RPM & Low Engine Load
    • Random Misfire Occurs During Acceleration
    • Random Misfire Occurs During High Engine RPM & Load, Or Under Random Conditions
  • DTC P0301-P0304 - Cylinder Misfire Detected
  • DTC P0335, DTC P0336, DTC P1361, DTC P1362, DTC P1381 & DTC P1382 - CKP/TDC/CYP Sensor
  • DTC P0420 - Catalytic System Efficiency Below Threshold
  • DTC P0452 - Fuel Tank Pressure (Ftp) Sensor Low Voltage
  • DTC P0453 - Fuel Tank Pressure (Ftp) Sensor High Voltage
  • DTC P0500 & DTC P0501 - VSS Range/Performance Problem
  • DTC P0505 - Idle Control System Malfunction
  • DTC P1106 - BARO Sensor Range/Performance Problem
  • DTC P1107 & DTC P1108 - BARO Sensor
  • DTC P1121 & DTC P1122 - Throttle Position (TP) Sensor
  • DTC P1128 - Manifold Absolute Pressure (Map) Sensor Lower Than Expected
  • DTC P1129 - Manifold Absolute Pressure (Map) Sensor Higher Than Expected
  • DTC P1297 - Electrical Load Detector (Eld) Low Voltage Input
  • DTC P1298 - Electrical Load Detector (Eld) High Voltage Input
  • DTC P1336 & DTC P1337 - Crankshaft Speed Fluctuation (CKF) Sensor
  • DTC P1359 - CKP/TDC/CYP Sensor Circuit Problem
  • DTC P1361, DTC P1362, DTC P1381 & DTC P1382 - TDC/CYP Sensor Problem
  • DTC P1456 & DTC P1457 - EVAP Control System Leak Detected
  • DTC P1508 - Idle Air Control (IAC) Valve
  • DTC P1607 - Pcm Internal Circuit