Doblo 02 doblo 1.9jtd fan relay

[satumashirt611]

hi all got a doblo jtd wheelchair van few days ago,going well but has the engine light on and the diagnostic shows it as fan relay,have checked fuse box in engine compartment and all is fine,cant check the fuse box in drivers side interior as cant find any info on what the fuses or relays are there,anyone have a diagram or picture from the manual ,or anyone know how to fix this.