2753529 - E3580 PREPARATION FOR CELLULAR TELEPHONE - Functional description

Functional description

The radio receiver node M094

From connector A:

  • pin 4: receives the direct battery supply, from the line protected by fuses F39 and F01; the supply is also provided to the junction D075;
  • pin 7: receives the ignition-dependent supply from the line protected by the fuse F35;
  • pin 8: connection to earth C020 connector B;
  • pin 6: receives the side lights 'on' signal, for managing the instrument illumination; the same signal is also supplied to junction D075;
  • pin 5: connection to the aerial P025;
  • pins 1, 3: connection to the CAN networkSee E1050 CAN CONNECTION LINES .
The earth C020 is secured to the floor, and is positioned near the front right wheelarch (foot area). The junction D020 is housed, in the interior compartment, at the bottom of the front right pillar, near the door cable pass, passenger side.

From connector D:

  • pins 7, 8: receives the IN+ and IN- signals coming from the junction D075;
  • pin 12, supplies the earth reference to the junction D075;
  • pin 9: receives the MUTE signal, for temporarily switching off the radio function.