ENGINE COOLANT TEMPERATURE (ECT)
The engine control module (ECM), (4/46) processes the value it receives from the engine coolant temperature (ECT) sensor. The processed value is then transmitted to the central electronic module (CEM) (4/56) on the high speed section of the control area network (CAN). The central electronic module (CEM) receives the signal and generates a corresponding signal on the low speed section of the control area network (CAN). The driver information module (DIM) (5/1) reads the signal from the low speed section of the control area network (CAN).
The driver receives information via a text message and a warning lamp if the temperature becomes too high.
The sensor for the parking brake is directly connected to the central electronic module (CEM). A signal which indicates whether the parking brake is applied or not is transmitted from the sensor to the central electronic module (CEM) (4/56). The central electronic module (CEM) sends the signal on to the driver information module (DIM) (5/1) via the controller area network (CAN). When the parking brake is applied (activated) the lamp lights.
The driver information module (DIM) can be programmed so that the driver is also warned by an audible signal that the parking brake is activated.