The red Oil and Water Lamp (OWL) and the Engine Alarm Buzzer are intended to be turned on when conditions are present that will cause…
Category: Series 40E Troubleshooting
The Manifold Absolute Pressure (MAP) sensor is a variable capacitance sensor that operates on a 5 volt reference signal from the ECM to produce a…
The Idle Shutdown feature is an optional feature that allows the ECM to shut off the engine if an idle condition has been detected for…
The Injection Control Pressure Regulation System (IPR_SYS) consists of the low pressure oil lubrication system, passages in the front cover and reservoir, high pressure oil…
The Injector Pressure Regulator (IPR) is a variable position valve that controls injection control pressure. The ECM uses many input variables to determine the desired…
Signal functions include High Side Drive Outputs and Low Side Drive Return. For the Injector Drive Circuit (INJ) function diagram, see Figure “Injector Drive Circuit…
The Injection Control Pressure (ICP) sensor is a variable capacitance sensor that, when supplied with a 5 volt reference signal from the ECM, produces a…
The Intake Air Temperature (IAT) sensor is a thermistor type sensor that has a variable resistance that changes when exposed to different temperatures. When interfaced…
The Engine Oil Temperature (EOT) sensor is a thermistor type sensor that has a variable resistance that changes when exposed to different temperatures. When interfaced…
The Engine Oil Pressure (EOP) sensor is a variable capacitance sensor, that when supplied with a 5 volt reference signal from the ECM, produces a…