223002446 - E3580 PREPARATION FOR CELLULAR TELEPHONE - FUNCTIONAL DESCRIPTION

Functional description

The radio phone connector D75 receives a direct supply (pin 9) from the battery via the line for fuse F39 of the junction unit under the dashboard B02 and is protected by fuse F1 of the engine compartment junction unit 0 B1 .It receives a supply controlled by the ignition (INT) at pin 7 via the line for fuse F49 of the junction unit under the dashboard B02 .The supply with the side lights on (POS) reaches the radio phone connector D75 at pin 8 via the line protected by fuse F51 of the junction unit under the dashboard B02 . Pin 10 of connector D75 is earthed, whilst cables leave pins 5 and 6 with signals for the right front speaker in the dashboard P38 at connector A, left front speaker P37 at connector A, for right hand drive versions. The radio phone connector D75 exchanges information via pins 4, 3 and 1 with the radio P20 if fitted (pins 7, 8 and 9 of connector C).A connection for the cell phone aerial is found near connector D75 .