Component Placement Volvo Bus Corporation See also, 300, Component placement, Description, Design and function The reader is advised that printed copies are uncontrolled. 15 Component Description Placement Component appearance and associated adapter Symbol explanations 1 B904 Level sensor, hydraulic oil 12 – B 6x2 Fig. 9 – B 4x2 B923 Sensor AdBlue tank, temperature and level 5 – C Fig. B930 Temperature sensor, catalytic convertor 12 – B 6x2 Fig. 9 – B 4x2 B948 Sensor air filter temperature and air filter pressure 12 – C 6x2 Fig. 9 – C 4x2 B970 Fire sensor, engine 12 – C 6x2 Fig. 9 – C 4x2 B971 Fire sensor, engine 12 – C 6x2 Fig. 9 – C 4x2 B972 Fire sensor, engine 12 – C 6x2 Fig.
9 – C 4x2 D1 Diode, parking brake 1 electrical distribution unit Fig. D2 Diode, start button rear 1 electrical distribution unit Fig.