Section 42 (Engine Controls - Tests W/Codes - 7.3L Diesel)
WARNING: This page is about a different variant/trim than selected.
- Introduction
- Self-Diagnostic System
- Quick Test
- Additional System Functions
- Summary
- Diagnostic Trouble Code (DTC) Reference Charts
- Circuit Tests
- Notes
- How To Use Circuit Tests
- Circuit Test A - Vehicle Battery
- Circuit Test C - Reference Voltage
- Circuit Test DA - Intake Air Temperature (IAT) Sensor
- Circuit Test Db - Engine Oil Temperature (EOT) Sensor
- Circuit Test Dc - Manifold Absolute Pressure (Map) Sensor
- Circuit Test Dd - Injection Control Pressure (ICP) Sensor
- Circuit Test De - Accelerator Pedal (AP) Sensor
- Circuit Test DF - Exhaust BACKPRESSURE (EBP) Sensor
- Circuit Test Dg - Camshaft Position (CMP) Sensor
- Circuit Test DH - Barometric Pressure (BARO) Sensor
- Circuit Test DJ - Manifold Absolute Pressure (Map) Sensor
- Circuit Test DL - Water In Fuel (WIF) Sensor
- Circuit Test Dm - Water In Fuel Indicator Light
- Circuit Test Fa - Air Conditioning
- Circuit Test FB - Brake Pressure Applied (BPA) Switch
- Circuit Test FD - Brake On/Off (Boo) Switch
- Circuit Test FE - Idle Validation Switch (IVS)
- Circuit Test Ff - Parking Brake Applied (PBA) Switch
- Circuit Test FG - Speed Control Command Switch (SCCS)
- CIRCUIT TEST FH - 4x4 LOW
- Circuit Test FJ - Injector Driver Module Feedback
- Circuit Test FK - Fuel Pump Monitor Control
- Circuit Test Ha - Auxiliary Powertrain Control System
- Circuit Test HB - Programmable Speedometer/Odometer Module (PSOM)
- Circuit Test KA - Cylinder Identification (CID)
- Circuit Test Kb - Exhaust BACKPRESSURE Regulator (EPR)
- Circuit Test Kc - Glow Plug System
- Circuit Test KD - Glow Plug Light (GPL)
- Circuit Test KE - Injection Pressure Regulator (IPR)
- Circuit Test KF - Fuel Delivery Command Signal (FDCS)
- Circuit Test KJ - Output Circuit Check (OCC) High
- Circuit Test KK - Output Circuit Check (OCC) Low
- Circuit Test Km - Data Output Link (Dol)
- Circuit Test Ma - Continuous Memory Failure
- Circuit Test MB - OBD-II Readiness Code
- Circuit Test MC - Pcm Inactive Background Fault
- Circuit Test MD - Cm ROM Failure
- Circuit Test NA - Injector Drive Circuit Operation
- Circuit Test NB - Malfunction Indicator Light (Mil)
- Circuit Test NC - Injector Driver Module Enable (IDM-En)
- Circuit Test QA - Unable To Activate Self-Test/Communication Error/Code Not Listed