Volvo D13 User Manual
Section 01: ENGINE
PA1561
18
24- Water pump
25- EGR cooler
26- Oil filter (2)
27- Crankcase breather tube
28- EGR tube
FIGURE 12: DETROIT DIESEL 2007 SERIES 60 ENGINE (TYPICAL)
01179
2.4 DDEC VI SENSORS
• Camshaft Position Sensor (CMP Sensor):
Indicates a specific cylinder in the firing
order.
order.
• Crankshaft Position Sensor (CKP Sensor):
Senses crankshaft position and engine
speed for functions such as fuel control
strategy.
speed for functions such as fuel control
strategy.
• DPF Inlet Pressure Sensor Measures
pressure between the Diesel Oxidation
Catalyst (DOC) and the Diesel Particulate
Filter (DPF) in the aftertreatment assembly.
Catalyst (DOC) and the Diesel Particulate
Filter (DPF) in the aftertreatment assembly.
• DPF Outlet Pressure Sensor: Measures
pressure on the outlet of the aftertreatment
device in the exhaust system of the vehicle.
device in the exhaust system of the vehicle.
• DPF Outlet Temperature Sensor:
Temperature measured at the outlet of the
after-treatment system that is installed within
the exhaust system of the vehicle.
after-treatment system that is installed within
the exhaust system of the vehicle.
• DOC Inlet Temperature Sensor:
Temperature measured at the outlet of the
after-treatment.
after-treatment.
• DOC Outlet Temperature Sensor:
Temperature measured between the DOC
and the DPF in the aftertreatment assembly.
and the DPF in the aftertreatment assembly.
• EGR Delta Pressure Sensor: Senses EGR
pressure for EGR control.
• EGR Temperature Sensor: Senses EGR
exhaust temperature after EGR cooler. Used
for EGR system diagnosis.
for EGR system diagnosis.
• Engine Coolant Temperature Sensor (ECT
Sensor): Senses coolant temperature for
functions such as engine protection, fan
control and engine fueling.
functions such as engine protection, fan
control and engine fueling.
• Engine Oil Pressure Sensor (EOP
Sensor): Senses gallery oil pressure for
functions such as engine protection.
functions such as engine protection.
• Engine Oil Temperature Sensor (EOT
Sensor): Senses oil temperature for
functions such as reducing variation in fuel
injection and fan control.
functions such as reducing variation in fuel
injection and fan control.
• Fuel Line Pressure Sensor: Senses fuel
line pressure.
• Fuel Compensation Pressure Sensor:
Compensates fuel line pressure.
• Intake Manifold Pressure Sensor (IMP
Sensor): Senses turbo boost for functions
such as smoke control and engine protection.
such as smoke control and engine protection.
• Intake Manifold Air Temperature Sensor
(IMT Sensor): Senses pressure. The MCM
uses this information to compute the amount
of air entering the engine.
uses this information to compute the amount
of air entering the engine.
• Supply Fuel Temperature Sensor (SFT
Sensor): Senses fuel temperature for
functions such as engine fueling.
functions such as engine fueling.
• Turbo Compressor Temperature Out
Sensor: Senses turbo out air temperature.
• Turbo Speed Sensor (TSS): Monitors turbo
speed for overspeed conditions.
• VGT Position Sensor/EGR Valve Position
Sensor.
• Intake Air Throttle Valve Sensor.
• Exhaust Valve Recirculation Valve (EGR)
• Exhaust Valve Recirculation Valve (EGR)
Sensor.