Drive authorization system (DAS), function - GF80.57-P-0005MCU
MODEL 451.3 /4
Function
After inserting the transmitter key into the ignition/starter switch (S2/1) the ID code of the transmitter key is received inductively by the transponder coil when circuit 15 is ON. It directly relays the ID code to the SAM control unit for checking. If the ID code is valid, the SAM control unit relays this information via CAN to the ME-SFI control unit which enables the engine control. Moreover, the transmitter key is supplied inductively with power via the transponder coil, so that the vehicle can also be started when the battery in the vehicle transmitter key is discharged.
Up to 6 transmitter keys can be used. The key data is managed by the SAM control unit.
Status messages from the drive authorization systems are transmitted to the instrument cluster by the SAM control unit. The instrument cluster sends the status message via the multifunction display.
| Drive authorization system (DAS), location of components | GF80.57-P-0005-01MCU | ||
| Electrical function diagram for electrical center | PE54.25-P-2050MCU | ||
| Wiring diagram electrical center | Sheet 1 | PE54.25-P-2000MCU | |
| Sheet 2 | PE54.25-P-2000MCV | ||
| Transmitter key, component description | GF80.57-P-6010MCU | ||
| Instrument cluster, component description | A1 | GF54.30-P-6000MCU | |
| Transponder coil, component description | L11 | GF80.57-P-6030MCC | |
| ME-SFI [ME] control unit, component description | N3/10 | GF07.61-P-6000MCU | |
| SAM control unit, component description | N10/10 | GF54.21-P-4157MCU |