Engine Controls - Tests W/Codes - 7.3L Diesel
- Introduction
- Self-Diagnostic System
- Quick Test
- Additional System Functions
- Summary
- Diagnostic Trouble Code (DTC) Reference Chart
- Circuit Tests
- Notes
- How To Use Circuit Tests
- Circuit Test A - Vehicle Battery
- Circuit Test B - Reference Voltage
- Circuit Test C - Intake Air Temperature (IAT) Sensor
- Circuit Test D - Manifold Absolute Pressure (Map) Sensor
- Circuit Test E - Accelerator Pedal (AP) Sensor
- Circuit Test F - Speed Control Command Switch (SCCS)
- Circuit Test G - Camshaft Position (CMP) Sensor
- Circuit Test H - Exhaust BACKPRESSURE (EBP) Sensor
- Circuit Test J - Programmable Speedometer/Odometer Module
- Circuit Test K - Brake On/Off (Boo) Switch
- Circuit Test L - Malfunction Indicator Light (Mil)
- Circuit Test M - Exhaust BACKPRESSURE Regulator (EPR)
- Circuit Test P - Brake Pressure Applied (BPA) Switch
- Circuit Test Q - Parking Brake Applied (PBA) Switch
- Circuit Test R - Glow Plug Light (GPL)
- Circuit Test S - Glow Plug System
- Circuit Test T - Fuel Delivery Command Signal (FDCS)
- Circuit Test U - Injector Driver Module Feedback
- Circuit Test V - Cylinder Identification (CID)
- Circuit Test W - Injector Driver Module Enable (IDM-En)
- Circuit Test X - Injection Pressure Regulator (IPR)
- Circuit Test Y - Engine Oil Temperature (EOT) Sensor
- Circuit Test Z - Injection Control Pressure (ICP) Sensor
- Circuit Test Aa - Idle Validation Switch (IVS)
- Circuit Test Ab - Injector Drive Circuit Operation
- Circuit Test Ac - Barometric Pressure (BARO) Sensor
- CIRCUIT TEST AD - 4x4 LOW
- Circuit Test AE - Air Conditioning (A/C)
- Circuit Test AF - Unable To Activate Self-Test/Communication Error/Code Not Listed
- Circuit Test Ag - Pcm ROM Failure
- Circuit Test Ah - Continuous Memory Failure
- Circuit Test AJ - Pcm Inactive Background Fault
- Circuit Test AK - Auxiliary Powertrain Control System
- Circuit Test Al - Tachometer
- Circuit Test Am - Output Circuit Check (OCC) High
- Circuit Test An - Output Circuit Check (OCC) Low
- Circuit Test AP - OBD-II Readiness Code