International DT466 – ENGINE SYSTEMS – Electronic Control System – Driveline Disengagement Switch (DDS)

The DDS determines if a vehicle is in gear. For manual transmissions, the clutch switch serves as
the DDS. For automatic transmissions, the neutral indicator switch or datalink communication functions
as the DDS.

International DT466 - ENGINE SYSTEMS - Electronic Control System - Switch
• DDS • ECL • IVS • WIF Switch sensors indicate position, level, or status.…
International DT466 - ENGINE SYSTEMS - Electronic Control System - Electronic Distributor for Injectors
The IDM distributes current to the injectors. The IDM controls fueling to the engine by…
International DT466 - ENGINE SYSTEMS - Electronic Control System - RAM
RAM stores temporary information for current engine conditions. Temporary information in RAM is lost when…
International DT466 - ENGINE SYSTEMS - Electronic Control System - Potentiometer
• APS A potentiometer is a variable voltage divider that senses the position of a…
International DT466 - ENGINE SYSTEMS - Electronic Control System - ROM
ROM stores permanent information for calibration tables and operating strategies. Permanently stored information cannot be…

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