Senses coolant temperature for functions such as engine protection, fan control and engine fueling. Used for EGR system diagnosis.Įngine Coolant Temperature Sensor (ECT Sensor) Senses EGR exhaust temperature after EGR cooler. Temperature measured between the DOC and the DPF in the aftertreatment assembly located in the exhaust system of the vehicle. Located before the DOC that is within the after-treatment device. It's located after the DPF that is within the aftertreatment unit.ĭOC Temperature In - Temperature measured at the inlet of the after-treatment device in the exhaust system of the vehicle. Temperature measured at the outlet of the after-treatment system that is installed within the exhaust system of the vehicle. Located after the DPF that is within the aftertreatment device. Sensor measures pressure on the outlet of the after-treatment device in the exhaust system of the vehicle.
Sensor measures pressure between the Diesel Oxidation Catalyst (DOC) and the Diesel Particulate Filter (DPF) in the aftertreatment assembly located in the exhaust system of the vehicle. Senses crankshaft position and engine speed for functions such as fuel control strategy. Indicates a specific cylinder in the firing order.
The sensors integrated into the factory-installed Engine Harness are listed in Table
The sensors integrated into the Vehicle Interface Harness are installed by the OEM ( refer to "17.7.2 OEM-installed Sensors" The sensors integrated into the Engine Harness are factory-installed ( refer to "17.7.1 Factory-installed Sensors"
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