Diagnostic development control system and method, vehicle and product

The invention provides a diagnosis development control system and method, a vehicle and a product, and is applied to the technical field of diagnosis control, and the system comprises a first module which is used for determining whether a target monitoring item has a monitoring error at the current moment according to a first input signal, generating a diagnosis signal at the current moment, and sending the diagnosis signal to a second module; the diagnosis signal is a fault diagnosis signal or a normal diagnosis signal; the second module is used for processing the diagnosis signals at multiple moments according to a target control strategy associated with the target monitoring item to obtain a fault diagnosis result; the second module comprises a plurality of diagnosis sub-modules, and the second module selects the corresponding diagnosis sub-modules according to different monitoring items to execute control strategies associated with the monitoring items; and the third module is used for processing the fault diagnosis result based on the control demand of the control module associated with the target monitoring item according to the fault diagnosis result, and generating a corresponding control signal.