4-43 Fault code Description YANMAR SPN FMI Area Status 174 3 Fuel temperature sensor Fuel temperature sensor error (voltage high) 4 Fuel temperature sensor error (voltage low) 0 Fuel temperature high 157 3 Rail pressure sensor Rail pressure sensor error (voltage high) 4 Rail pressure sensor error (voltage low) 3251 3 DPF differential pressure sensor DPF differential pressure sensor error (excessive sensor output) 4 DPF differential pressure sensor abnormal rise in differential pressure 0 DPF differential pressure sensor error abnormal rise in differential pressure 13 DPF differential pressure sensor error (abnormal learning value) 4795 31 DPF substrate/DPF differential pressure sensor DPF substrate/DPF differential pressure sensor error (DPF substrate removal/DPF differential pressure sensor detected value error) 3609 3 DPF high pressure side pressure sensor DPF high pressure side pressure sensor error (excessive sensor output) 4 DPF high pressure side pressure sensor error (insuffi cient sensor output) 10 DPF high pressure side pressure sensor error (detected value error) 3242 3 DPF intermediated temperature sensor DPF inlet temperature sensor error (excessive sensor output) 4 DPF inlet temperature sensor error (insufficient sensor output) 10 DPF inlet temperature sensor error (detected value error) 0 DPF inlet temperature sensor abnormal temperature (abnormally high) 3250 3 DPF intermediate temperature sensor DPF intermediate temperature sensor error (excessive 4 DPF intermediate temperature sensor error (insufficient sensor output) 10 DPF intermediate temperature sensor error (detected value error) 1 DPF intermediate temperature sensor abnormal temperature (abnormally low) 108 3 Atmospheric pressure sensor Atmospheric pressure sensor error (excessive sensor output) 4 Atmospheric pressure sensor error (insufficient sensor output) 10 Atmospheric pressure sensor error (characteristic error) 173 3 Exhaust manifold temperature sensor Exhaust manifold temperature sensor error (excessive sensor output) 4 Exhaust manifold temperature sensor error (insufficient sensor output) 10 Exhaust manifold temperature sensor error (detected value error) 1485 7 Main relay Main relay contact sticking 2 Main relay early opening