223002350 - E3510 RADIO - FUNCTIONAL DESCRIPTION (Doblò trim level)
Functional description
The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20 , respectively.The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02 .The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02 .The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02 .Connector B of the radio sends out cables with signals for the following speakers:
- right front in the dashboard P38 connector B and in the door P36 from pins 3 and 4 via the short circuit coupling D97 D;
- left front in the dashboard P37 and in the door P35 from pins 5 and 6 via the short circuit coupling D97 B ;
- right rear P31 and subwoofer P92 (pins 2 and 5) from pins 1 and 2 via short circuiting coupling D97 E;
- right rear P30 and subwoofer P92 (pins 1 and 4) from pins 7 and 8, respectively via short circuiting couplings D97 C and D97 E.