A method and device for checking the matching of vehicle fan calibration quantity and configuration quantity

Abstract

The invention provides a method and apparatus for examining coupling of calibration quantity and configuration quantity for a vehicle fan, and relates to the vehicle fan examination field. The method comprises outputting a drive signal to a chip pin which controls a vehicle fan; according to the drive signal, determining whether the chip pin is connected with the vehicle fan; if so, setting the value of the configuration quantity as a preset value; and determining whether the value of the calibration quantity is equal to the preset value, and if so, completing examination about coupling of the calibration quantity and the configuration quantity for the vehicle fan. The method for examining coupling of calibration quantity and configuration quantity for a vehicle fan utilizes an ECU (Electronic Control Unit) to automatically identify the fan type for finished automobile configuration, and can examine whether the fan type is coupled with the current selected control data so as to avoid data error caused by manual hand mal-flashing.

Description

technical field [0001] The invention relates to the field of inspection of vehicle fans, in particular to a method and device for inspecting the matching of the calibration quantity and configuration quantity of the vehicle fan. Background technique [0002] The fan of the vehicle is a key component of the engine thermal management system, and the speed control of the fan is particularly important. There are generally two types of fans for commercial vehicles on the market: electronically controlled silicon oil fans and electromagnetic clutch three-speed fans. The electronic control unit (Electronic Control Unit, ECU) control data integrates the control programs and data of the two fans, which are selected through the calibration switch. When the vehicle is off the assembly line, it is necessary to manually calibrate the switch and synthesize the data according to the fan configuration of the vehicle manufacturer, and then flash and write it into the ECU for control. [00...

AI Technical Summary

Problems solved by technology

In the case of large orders or time constraints, manual operations are prone to calibration errors, resulting in incorrect or missed writing

After a problem occurs in the current market, the analysis and resolution of the problem requires a lot of manpower and travel expenses and other resources, which is time-consuming and labor-intensive, and affects the normal use of the vehicle by customers.

[0005] (2) If the customer wrongly connects different fans intentionally or unintentionally, the fan control does not match the current data, which affects the thermal management system of the engine, and it is difficult to troubleshoot without a fault code prompt

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