Engine Controls - Tests W/Codes

• Introduction
  • Notes
  • System Diagnosis
    • Notes
    • Hard Failures
    • Intermittent Failures
• Self-Diagnostic System
  • Service Precautions
  • Visual Inspection
  • Entering On-Board Diagnostics
    • Notes
    • Using Scan Tool
• Diagnostic Trouble Codes (DTCS)
  • DTCS
  • Clearing DTCS
  • Pcm Location
• Terminal Identification
• Diagnostic Tests
  • Notes
  • Intermittent DTCS
  • Scan Tool Will Not Communicate
    • Notes
    • No Communication With All Systems
    • No Communication With PCM
  • Malfunction Indicator Light (Mil)
    • Notes
    • MIL Does Not Come On
    • Malfunction Indicator Light (MIL) Stays On
• Circuit Tests
  • DTC P0100 - Volume Airflow (VAF) Circuit Malfunction
  • DTC P0105 - Barometric Pressure Circuit Malfunction
  • DTC P0105 - Manifold Absolute Pressure (Map) Circuit Malfunction
  • DTC P0110 - Intake Air Temperature (IAT) Circuit Malfunction
  • DTC P0115 - Engine Coolant Temperature (ECT) Circuit Malfunction
  • DTC P0120 - Throttle Position (TP) Circuit Malfunction
  • DTC P0125 - Excessive Time To Enter Closed Loop Fuel Control
  • DTC P0130 - Front Heated Oxygen Sensor (Ho2S) Circuit Malfunction
  • DTC P0135 - Front Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction
  • DTC P0136 - Rear Heated Oxygen Sensor (Ho2S) Circuit Malfunction
  • DTC P0141 - Rear Heated Oxygen Sensor (Ho2S) Heater Circuit Malfunction
  • DTC P0170 - Fuel Trim Malfunction
  • DTC P0201, P0202, P0203, P0204, P0205 Or P0206 - Injector No. 1, 2, 3, 4, 5 Or 6 Circuit Malfunction
  • DTC P0300 - Random Misfire Detected
  • DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 Or DTC P0306 - Cylinder No. 1, 2, 3, 4, 5 Or 6 Misfire Detected
  • DTC P0325 - Knock Sensor (KS) No. 1 Circuit
  • DTC P0335 - Crankshaft Position (CKP) Sensor Circuit Malfunction
  • DTC P0340 - Camshaft Position (CMP) Sensor Circuit Malfunction
  • DTC P0400 - Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
  • DTC P0403 - Exhaust Gas RECIRCULATION (EGR) Flow Malfunction
  • DTC P0420 - Catalytic Converter Efficiency Below Threshold
  • DTC P0440 - Evaporative (EVAP) Control System Malfunction
  • DTC P0443 - Evaporative (EVAP) Control System Purge Control Valve Circuit Malfunction
  • DTC P0500 - Vehicle Speed Sensor (VSS) Malfunction
  • DTC P0505 - Idle Control System Malfunction
  • DTC P0510 - Closed Throttle Position (TP) Switch Malfunction
  • DTC P0551 - Power Steering Pressure (PSP) Sensor Circuit Range/Performance
  • DTC P0705 - Transmission Range Sensor Circuit Malfunction A/T)
  • DTC P1400 - Manifold Differential Pressure (MDP) Sensor Circuit Malfunction
  • DTC P1600 - Serial Communication Link Malfunction
  • DTC P1751 - A/T Control Relay Malfunction
  • DTC P1795 - Throttle Position Input Circuit Malfunction
• Summary