Fiat Multipla i have a 2004 the radiator fan and inside air controls do not work any ideas on how to fix it

Many causes , could start by checking the fuses Fiat Multipla mk2 (2004 – 2010) – fuse box diagram Year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010 Fuse box in passenger compartment Fiat Multipla mk2 - fuse box - passenger compartment Fiat Multipla mk2 – fuse box – passenger compartment Description Ampere rating [A] Fuse Right-hand main beam 10 1 Left-hand main beam 10 2 Main beam warning light 10 2 Rear fog lights 20 3 Rear fog lights warning light 20 3 Side/taillight power 20 3 Left-hand dipped beam 10 4 Car interior fan 30 5 Right-hand number plate light 10 6 Right-hand front sidelight 10 6 Cigar lighter light 10 6 Ashtray light 10 6 Side/taillight warning light 10 6 Sound system light 10 6 Left-hand taillight 10 6 Left-hand number plate light 10 7 Left-hand front sidelight 10 7 Right-hand taillight 10 7 Heating system lighting 10 7 Right-hand dipped beam 10 8 Brake fluid warning light 10 8 Headlight beam adjuster 10 8 Headlight washer relay coil 10 8 Cigar lighter 15 9 Conditioner compressor 15 9 Headlight washer 20 10 Windscreen wiper 20 10 Rear window wiper 20 10 Horn 20 11 + 30 instrument panel 10 12 + 30 front ceiling light 10 12 + 30 EOBD Fiat tester 10 12 + 30 rear ceiling light 10 12 + 30 sound system 10 12 + 30 connect-nav 10 12 + 30 navigator 10 12 + 30 clock 10 12 + 30 sunroof 10 12 + 30 webasto (additional heater) 10 12 + 30 anti-theft control unit 10 12 Reversing light 15 13 Front direction indicators 15 13 Brake light 15 13 Third brake light 15 13 Rear direction indicators 15 13 Direction indicator warning light 15 13 Side direction indicators 15 13 Hazard light warning light 15 13 + 15 cellular phone 15 13 + 15 sound system 15 13 + 15 connect-nav 15 13 + 15 navigator 15 13 Anti-theft control unit 15 13 Hazard light power 10 14 Anti-theft led 10 14 Anti-theft control unit 10 14 Heated rear window 30 15 Electric mirror defrosting 30 15 Front fog lights 15 16 Electric mirror movement 7,5 17 Air recirculation 7,5 17 Cigar lighter relay coil 7,5 17 Windscreen wiper relay coil 7,5 17 Electric seat relay coil 7,5 17 Heater relay coil 7,5 17 Heated rear window relay coil 7,5 17 12V socket relay coil 7,5 17 Front power windows 30 18 Tunnel 12V outlet 30 19 Boot 12V outlet 25 19 Refrigerator presetting 25 20 Electric seat riser 25 20 Electric mirror defrosting 7,5 21 Airbag circuit 7,5 22 ASR ON button 7,5 23 ABI control unit (power windows/front door lock) 20 24 + 15 phone presetting 7,5 25 + 15 sound system 7,5 25 + 15 sunroof relay coil 7,5 25 + 15 navigator 7,5 25 + 15 remote control receiver 7,5 25 + 15 taxi-meter 7,5 25 + 15 Airbag 7,5 25 + 15 GSM box 7,5 25 + 15 ABI control unit 7,5 25 + 30 taxi-meter 7,5 26 + 30 sunroof 25 27 Rear power windows 25 28 Fuses in engine compartment (next to battery, JTD versions only) Fiat Multipla mk2 - fuse box engine compartment Fiat Multipla mk2 – fuse box engine compartment Description Ampere rating [A] Fuse Fiat code 7,5 29 Webasto boiler (additional heater) 20 30 Main relay 7,5 31 ABS 10 32 Diesel fuel filter heating 25 33 + 15 CCM and Fiat code control unit 7,5 34 Headlight washer pump 30 35 Fuses in engine compartment (next to battery, petrol versions only) Fiat Multipla mk2 - fuse box - engine compartment Fiat Multipla mk2 – fuse box – engine compartment Description Ampere rating [A] Fuse Lambda probe 15 36 + 15 CCM and Fiat code control unit 7,5 37 + 30 Fiat code control unit 7,5 38 + 15 ABS 7,5 39 Headlight washer pump 20 40 Fuses in engine compartment (on passenger’s compartment partition) Fiat Multipla mk2 - fuse box - engine compartment Fiat Multipla mk2 – fuse box – engine compartment Description Ampere rating [A] Fuse Engine cooling fan (with heater) 40 41 Engine cooling fan (with air conditioner) 50 41 Glow plugs 60 42 ABS 60 43 Fuses in engine compartment (next to battery, MAXI FUSE) Fiat Multipla mk2 - fuse box - engine compartment Fiat Multipla mk2 – fuse box – engine compartment Description Ampere rating [A] Fuse Ignition switch (EFI) 30 44 Electronic injection (IGN) 30 45 Secondary control unit protection 60 46 Passenger’scompartment control unit protection 80 47 Radiotaxi 7,5