Cumminz

Circuit DescriptionThe intake manifold pressure sensor monitors intake manifold pressure and passesinformation to the electronic control module (ECM) through the sensor harness. If the intakemanifold pressure becomes too high, it will cause a derate condition. Component LocationThe intake manifold pressure sensor is located on the rear of the intake air manifold in thesecond port on the side of the head to the right of the fuel filter. Shop Talk1) Determine if engine is being overfueled.2) Confirm that the correct intake manifold pressure sensor part number is being used.3) Confirm that the correct turbocharger is being used.4) If it is suspected...

Circuit DescriptionThe accelerator position sensor is attached to the accelerator pedal. The accelerator positionsensor sends a signal to the electronic control module (ECM) when the driver pushes on theaccelerator pedal. The accelerator position circuit contains three wires: a +5-VDC supply wire(pin 29), a return ground (pin 19), and a signal wire (pin 30). NOTE: The connector pin letters shown for the accelerator pedal wiring in thesetroubleshooting steps are examples of representative sensors. The connector pin assignmentscan vary with equipment manufacturer, but the base troubleshooting logic will still apply. Component LocationThe accelerator position sensor is located on the accelerator pedal. Shop...

Circuit DescriptionThe accelerator position sensor is attached to the accelerator pedal. The accelerator positionsensor sends a signal to the electronic control module (ECM) when the driver pushes on theaccelerator pedal. The accelerator position circuit contains three wires: a +5-VDC supply wire(pin 29), a return ground (pin 19), and a signal wire (pin 30). NOTE: The connector pin letters shown for the accelerator pedal wiring in thesetroubleshooting steps are examples of representative sensors. The connector pin assignmentscan vary with equipment manufacturer, but the base troubleshooting logic will still apply. Component LocationThe accelerator position sensor is located on the accelerator pedal. Shop...

Circuit DescriptionThe accelerator position sensor is attached to the accelerator pedal. The accelerator positionsensor sends a signal to the electronic control module (ECM) when the driver pushes on theaccelerator pedal. The accelerator position circuit contains three wires: a +5-VDC SUPPLYwire (pin 29), a RETURN ground (pin 19), and a SIGNAL wire (pin 30). NOTE: The connector pin letters shown for the accelerator pedal wiring in thesetroubleshooting steps are examples of representative sensors. The connector pin assignmentscan vary with equipment manufacturer, but the base troubleshooting logic will still apply. Component LocationThe accelerator position sensor is located on the accelerator pedal. Shop...

Circuit DescriptionThe accelerator position sensor is attached to the accelerator pedal. The accelerator positionsensor sends a signal to the electronic control module (ECM) when the driver pushes on theaccelerator pedal. The accelerator position circuit contains three wires: a +5-VDC SUPPLYwire (pin 29), a RETURN ground (pin 19), and a SIGNAL wire (pin 30). NOTE: The connector pin letters shown for the accelerator pedal wiring in thesetroubleshooting steps are examples of representative sensors. The connector pin assignmentscan vary with equipment manufacturer, but the base troubleshooting logic will still apply. Component LocationThe accelerator position sensor is located on the accelerator pedal. Shop...