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LESSON 3: POWERTRAIN
Controller Area Network (CAN) Interface
Controller Area Network (CAN) Interface
For the TCM to carry out shift point and shift quality management, a number of external signals are required. For
shift point management, the TCM requires Output Shaft Speed (OSS) sensor, Accelerator Pedal Position (APP)
sensor, Brake Pedal Position (BPP) switch and Transmission Range (TR) sensor. The High Speed Controller
Area Network (HS-CAN) bus is used to share information between control modules.
2005 Expedition/Navigator New Model Technician Training02-SEP-043-56