The master for the selective partial network operation is the Body Domain Controller (BDC).The control units which are not required are switched off via a corresponding bus signal. Here, the selective switching off of control units that are not required can contribute to the reduction of the fuel consumption and therefore the CO2 emissions. For vehicles with a combustion engine, the electrical energy consumption is indirectly coupled to the fuel consumption through the alternator.
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By specifically switching off and activating the control units that aren’t required, so-called selective partial network operation, energy can be saved, the battery relieved and due to this its life increased. In vehicles today, there are up to 70 control units which are networked with each other.Depending on the current vehicle condition or the user’s wishes, not all of the comfort systems and assistance systems are always required.
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How to use the selective partial network in PAD mode: Note: During vehicle diagnosis, a vehicle with Parking-Residing-Driving is automatically placed in the pad mode.This is also displayed in ISTA in the top right.This ensures that a diagnosis can be performed with all control units.ĭuring vehicle diagnosis, a vehicle with Parking-Residing-Driving is automatically placed in the pad mode.This is also displayed in ISTA in the top right.This ensures that a diagnosis can be performed with all control units. If you put in PAD mode before starting diagnosis, it should come up as PAD. – Press the START-STOP button three times within 0.8 seconds. Additionally if a diagnosis session is started with ISTA and the vehicle is in “Residing” mode, ISTA automatically switches the vehicle to diagnosis mode (PAD). In order to switch the vehicle into diagnostic mode for the State Inspection Maintenance Program, the Start/Stop button must also be pressed 3 times in succession within. The vehicle will then switch over to diagnosis mode (PAD) Testing Analysis Diagnosis. In order to switch the vehicle into diagnosis mode (Terminal 15 in the past), either for diagnosis with ISTA or programming or coding with ISTA/P, the Start/Stop button needs to be pressed 3 times in succession within.
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In the PAD mode, all the control units as well as all physical terminals are on.Ī new terminal control concept was introduced to the new G12 7 series vehicle The PAD mode is the vehicle condition between “Residing” and “Driving”.The PAD mode corresponds to the physical “terminal 15 on”. PAD is the short form of Testing analysis diagnosis. The central gateway module (ZGM) is integrated in the Front Electronic Module (FEM).BMW ISTA+ Diagnosis PAD Mode all detailed can be found here: The following functions of the footwell module (FRM) have been integrated in the Front Electronic Module (FEM). The following functions of the Junction Box Electronics (JBE) have been integrated in the Front Electronic Module (FEM)
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The following functions of the Car Access System (CAS) have been integrated in the Front Electronic Module (FEM) At the same time, the optimization of the wiring harness reduces the physical bus capacity. The aim is to reduce the number of control units and improve component networking. The central gateway module (ZGM) is installed in the Front Electronic Module (FEM) as an independent control unit. The Front Electronic Module (FEM) provides functions from the previous control units footwell module (FRM), Car Access System (CAS), Junction Box Electronics (JBE) and central gateway module (ZGM). At the same time, the Front Electronic Module (FEM) is the gateway for the other control units. The Front Electronic Module (FEM) is the central control unit in the vehicle electrical system. As a result of the modular principle, the Front Electronic Module (FEM) can be installed in all series. The Front Electronic Module (FEM) represents a new generation which supersedes existing control units and their functions.