TWI656773B - Universal wireless diagnostic and communication device, wireless diagnosis and communication system, wireless diagnosis and communication method - Google Patents

Abstract

A general-purpose wireless diagnostic and communication device, a wireless diagnostic and communication system, a wireless diagnostic and communication method. The device comprises a diagnostic unit, a control arithmetic unit, a transmission unit and a switch unit. The system includes the universal wireless diagnostic and communication device, a vehicle diagnostic system, and at least one smart device and/or a meter unit for performing a diagnostic mode or a smart communication mode. The method performs the diagnostic mode or the smart communication mode, so that the smart device of the user can wirelessly receive the diagnostic message of the vehicle diagnosis system, and the meter unit displays the diagnostic message, and the meter unit and the smart device pass the The universal wireless diagnostic and communication device is used to indirectly establish a connection, so that the meter unit can simultaneously display the communication information of the smart device.

Description

Universal wireless diagnostic and communication device, wireless diagnosis and communication system, wireless diagnosis and communication method

The invention relates to a wireless diagnostic and communication device, system and method, in particular to a general-purpose wireless diagnosis and communication device, a wireless diagnosis and communication system and a wireless diagnosis and communication method applied to a vehicle.

According to the conventional wireless diagnostic device applied to the vehicle, the diagnostic signal is mainly used for receiving the diagnosis signal of the vehicle, and the diagnostic signal is sent to a detecting end (for example, a computer or a smart device) by using a wireless transmission method, so that the detecting end is The current condition of the vehicle can be judged based on the diagnostic signal.

However, the function of the wireless diagnostic device is limited to receiving the diagnostic signal of the vehicle diagnostic system and wirelessly transmitting the diagnostic signal to a detecting end. In the era of technology that emphasizes the multi-function of a single machine, the traditional wireless diagnostic device will gradually be replaced. .

In view of this, there is a need to provide a general-purpose wireless diagnostic and communication device, a wireless diagnostic and communication system, and a wireless diagnostic and communication method, which can receive a diagnostic signal from a vehicle diagnostic system and wirelessly transmit the diagnostic signal to a detection terminal. Function, it can also be used as a relay station for interactive transmission of other data, for example, transmitting a diagnostic message of one diagnostic signal to the dashboard of the vehicle and displaying it, or relaying the communication message of the smart device to the synchronized display on the dashboard, or further Transfer the instrument data of the instrument panel to the smart device.

The main object of the present invention is to provide a general-purpose wireless diagnostic and communication device that can be independently installed on a vehicle and has a diagnostic vehicle condition. And the function of communicating with the vehicle wisdom.

According to the above object, the universal wireless diagnostic and communication device provided by the present invention comprises a diagnostic unit, a control arithmetic unit, a transmission unit and a switch unit. The diagnostic unit is configured to receive a vehicle diagnostic signal of a vehicle diagnostic system, and generate a corresponding diagnostic identification signal according to the vehicle diagnostic signal.

The control arithmetic unit is electrically connected to the diagnostic unit and the switch unit, and the control unit is electrically or signally connected to a meter unit.

The transmission unit is electrically connected to the control operation unit and wirelessly pairs at least one smart device.

The control unit is configured to compile and output the diagnostic identification signal, and the transmission unit is configured to wirelessly transmit the diagnostic identification signal of the control computing unit to each of the smart devices. Each of the smart devices is configured to display a diagnostic message of the diagnostic identification signal.

When the switch unit is switched to a smart communication mode, each smart device is configured to wirelessly transmit a communication signal to the transmission unit, and the control operation unit is configured to compile and output the diagnostic identification signal and the communication signal. The unit is configured to display a communication message of the communication signal and the diagnosis message of the diagnostic identification signal.

Another object of the present invention is to provide a wireless diagnostic and communication system that can perform a diagnostic mode in which a vehicle diagnostic signal of a vehicle diagnostic system of a vehicle can be wirelessly transmitted to at least one smart device for each smart type. The user of the device knows the current vehicle condition for the maintenance.

According to the above object, the wireless diagnostic and communication system provided by the present invention comprises a general-purpose wireless diagnostic and communication device, a vehicle diagnostic system and at least one smart device, and the universal wireless diagnostic and communication device comprises a diagnostic unit. a control arithmetic unit and a transmission unit. It is characterized by: The diagnostic unit is configured to receive a vehicle diagnostic signal of the vehicle diagnostic system and generate a corresponding diagnostic identification signal according to the vehicle diagnostic signal.

The control arithmetic unit is electrically connected to the diagnostic unit for compiling and outputting the diagnostic identification signal.

The transmission unit is electrically connected to the control operation unit for wirelessly transmitting the diagnostic identification signal of the control operation unit.

Each of the smart devices is configured to wirelessly pair the transmission unit to wirelessly receive the diagnostic identification signal of the transmission unit and display a diagnostic message of the diagnostic identification signal.

Another object of the present invention is to provide another wireless diagnostic and communication system that can implement a smart communication mode to enable the universal wireless diagnostic and communication device to establish wireless connection transmission with each smart device, or with a vehicle. The meter unit establishes a wired or wireless connection. The meter unit can display the diagnostic information of the vehicle diagnosis system, and can determine whether the vehicle condition needs maintenance or repair, and can also synchronously display the communication messages of the call information and the incoming message of each smart device.

According to the above object, another wireless diagnostic and communication system provided by the present invention comprises a general-purpose wireless diagnostic and communication device, a vehicle diagnostic system, a meter unit and at least one smart device, and the universal wireless diagnosis and The communication device comprises a diagnostic unit, a control arithmetic unit and a transmission unit. The diagnostic unit is configured to receive a vehicle diagnostic signal of the vehicle diagnostic system, and generate a corresponding diagnostic identification signal according to the vehicle diagnostic signal.

The transmission unit is configured to wirelessly receive a communication signal.

Each of the smart devices is configured to wirelessly pair the transmission unit and wirelessly transmit the communication signal to the transmission unit.

The control arithmetic unit electrically connects the diagnostic unit and the transmission a unit for compiling and outputting the diagnostic identification signal and the communication signal of the transmission unit.

The meter unit is electrically connected to the control unit for displaying a communication message of the communication signal and a diagnostic message of the diagnostic identification signal.

It is still another object of the present invention to provide a wireless diagnostic and communication method for performing a diagnostic mode or a smart communication mode by controlling the general-purpose wireless diagnostic and communication device, so that the user's smart device can wirelessly receive the vehicle diagnostic system. The diagnostic message also allows the instrument unit of the vehicle to display the diagnostic message, and the meter unit and the smart device indirectly establish a connection through the universal wireless diagnostic and communication device, so that the meter unit can simultaneously display the smart type. Device communication message.

According to the above object, the wireless diagnostic and communication method provided by the present invention is applied to a wireless diagnostic and communication system, which comprises a universal wireless diagnostic and communication device, a vehicle diagnostic system, a meter unit and At least one smart device, the universal wireless diagnostic and communication device comprises a diagnostic unit, a control arithmetic unit, a transmission unit and a switch unit. The wireless diagnostic and communication method comprises the steps of: providing the wireless diagnostic and communication system; and switching to a diagnostic mode or a smart communication mode through the switch unit. Wherein: when the switch unit is switched to the diagnostic mode: the transmission unit wirelessly pairs each of the smart devices; the diagnostic unit receives a vehicle diagnostic signal of the vehicle diagnostic system, and generates a corresponding diagnosis according to the vehicle diagnostic signal The control unit is configured to compile and output the diagnostic identification signal; the transmission unit is configured to wirelessly transmit the diagnostic identification signal of the control operation unit to each of the smart devices; each of the smart devices is configured to display the diagnosis A diagnostic message that identifies the signal.

When the switch unit is switched to the smart communication mode: the transmission unit wirelessly pairs each smart device; the diagnostic unit receives a vehicle diagnostic signal of the vehicle diagnosis system, and generates a corresponding diagnosis according to the vehicle diagnostic signal Each of the smart devices is configured to wirelessly transmit a communication signal to the transmission unit; the control computing unit is configured to compile and output the diagnostic identification signal and the communication signal; and the meter unit is configured to display one of the communication signals And the diagnostic message of the diagnostic identification signal.

According to the above general-purpose wireless diagnostic and communication device, wireless diagnostic and communication system, and wireless diagnosis and communication method, the present invention is characterized in that the universal wireless diagnostic and communication device can be controlled to perform a diagnostic mode to make the general-purpose type The wireless diagnostic and communication device establishes a wireless connection transmission with each of the smart devices, and causes the general-purpose wireless diagnostic and communication device to receive and diagnose the vehicle diagnostic signal of the vehicle diagnostic system, and wirelessly transmit to each of the smart types. The device is provided for the users of the smart device to know the current vehicle condition for maintenance.

Another feature of the present invention is that the universal wireless diagnostic and communication device can be controlled to perform a smart communication mode, in addition to enabling the universal wireless diagnostic and communication device to establish wireless connection transmission with each smart device. Establish wired or wireless connection with the instrument unit of the vehicle. In addition, after receiving and diagnosing the vehicle diagnostic signal of the vehicle diagnostic system, the universal wireless diagnostic and communication device can transmit to the meter unit and display the diagnostic message, so that the driver can know the current vehicle condition from the meter unit. To determine if maintenance or repair is required.

At the same time, each of the smart devices can transmit the communication signal to the meter unit through the universal wireless diagnostic and communication device, so that the meter unit can simultaneously display the incoming call information and the incoming message of the smart device, thereby avoiding Missing calls or missing newsletters occur.

The above and other objects, features, and advantages of the present invention will become more apparent from the accompanying drawings.

20‧‧‧General-purpose wireless diagnostic and communication device

210‧‧‧Diagnostic unit

220‧‧‧Control arithmetic unit

221‧‧‧ wafer microprocessor

230‧‧‧Transmission unit

240‧‧‧Switching switch unit

30‧‧‧Wireless diagnostic and communication system

310‧‧‧ meter unit

311‧‧‧ wafer microprocessor

312‧‧‧Display Department

313‧‧‧Display switch

320‧‧‧Smart device

330‧‧‧Vehicle diagnostic system

M1‧‧‧Diagnostic mode

M2‧‧‧Smart communication mode

1 is a schematic diagram of a general-purpose wireless diagnostic and communication device according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a wireless diagnostic and communication system according to an embodiment of the present invention; and FIG. 3 is a wireless diagnostic and communication according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a wireless diagnostic and communication device and system in a diagnostic mode according to an embodiment of the present invention; and FIG. 5 is a smart communication and communication device and system in a smart communication according to an embodiment of the present invention; Schematic diagram of the pattern.

1 is a schematic diagram of a general-purpose wireless diagnostic and communication device according to an embodiment of the present invention.

First, please refer to Figure 1. The general-purpose wireless diagnostic and communication device 20 of the present embodiment includes a diagnostic unit 210, a control arithmetic unit 220, a transmission unit 230, and a changeover switch unit 240. The diagnosis unit 210 is configured to receive a vehicle diagnosis signal of a vehicle diagnosis system (not shown in FIG. 1 ), and generate a corresponding diagnosis identification signal according to the vehicle diagnosis signal; the control operation unit 220 is electrically connected to the The diagnostic unit 210 and the switch unit 240 are electrically connected or connected to a meter unit (not shown in FIG. 1).

The transmission unit 230 is electrically connected to the control operation unit 220 and wirelessly pairs at least one smart device (not shown in FIG. 1).

The switch unit 240 is electrically connected to the control unit 220 for switching the general-purpose wireless diagnostic and communication device 20 to a diagnostic mode or a smart communication mode.

2 is a wireless diagnostic and communication system according to an embodiment of the present invention Schematic diagram.

Continued, see Figure 2. The wireless diagnostic and communication system 30 of the present embodiment includes the above-described general-purpose wireless diagnostic and communication device 20, a vehicle diagnostic system 330 (On-Board Diagnostic, OBD), a meter unit 310, and at least one smart device 320.

In this embodiment, the switch unit 240 of the general-purpose wireless diagnostic and communication device 20 is illustrated by a simple OPEN/CLOSE switch, but is not limited thereto. The switch unit 240 can also use a pin (PIN) of the universal wireless diagnostic and communication device 20 to control the switch, for example, a high voltage signal, a low voltage signal or a ground signal to the pin (PIN). Even the pin is vacated to control the switch of the pin (PIN).

The control arithmetic unit 220 of the general-purpose wireless diagnostic and communication device 20 includes a wafer microprocessor 221, but is not limited thereto.

The diagnostic unit 210 of the general-purpose wireless diagnostic and communication device 20 performs data transmission with the vehicle diagnostic system 330 via a wired K-LINE, but is not limited thereto.

The transmission unit 230 of the general-purpose wireless diagnostic and communication device 20 is exemplified by a Bluetooth transmission device, but is not limited thereto.

The meter unit 310 is exemplified by a dashboard for a vehicle, and is provided with a wafer microprocessor 311 for communicating with the control unit 220 via a wired CAN (Controller Area Network), K-LINE or USAR (Urban search and The Rescue interface transmits data or can transmit data wirelessly through a transmission and receiver (not shown). In the present embodiment, a wired CAN (Controller Area Network) interface transmission is exemplified, but not limited thereto.

The smart device 320 is exemplified by a smart phone, so that the transmission unit 230 can be connected to the IOS/Android system of the smart phone, but not limited thereto.

3 is a wireless diagnosis and communication method according to an embodiment of the present invention FIG. 4 is a schematic diagram of a wireless diagnostic and communication device and system in a diagnostic mode according to an embodiment of the present invention.

Please also refer to Figure 3 and Figure 4. The wireless diagnostic and communication method of the present invention is applied to the wireless diagnostic and communication system 30. The wireless diagnostic and communication method comprises the following steps:

Step 1: Provide the wireless diagnostic and communication system.

Step 2: Switch to a diagnostic mode or a smart communication mode through the switch unit.

The following describes the operation mode of the wireless diagnostic and communication system in the diagnostic mode M1 and the smart communication mode M2.

Diagnostic mode M1:

When the changeover switch unit 240 is switched to a diagnosis mode M1 (for example, when the switch unit 240 OPEN is switched), then:

(1) The transmission unit wirelessly pairs each of the smart devices. In detail, the transmission unit 230 proposes a pairing request, for example, through MAC (Media Access Control) Address authentication, and when each smart device 320 successfully pairs with the transmission unit 230, data transmission can be provided. On the other hand, if the pairing is unsuccessful, the diagnosis mode M1 is stopped.

(2) The diagnostic unit receives a vehicle diagnostic signal of the vehicle diagnostic system and generates a corresponding diagnostic identification signal according to the vehicle diagnostic signal. In detail, after the transmission unit 230 wirelessly pairs the smart devices 320 to successfully pair, the user can control the diagnostic unit 210 to receive the vehicle by embedding an APP (Application) diagnostic software in the smart device 320. The vehicle diagnostic signal of the diagnostic system 330 causes the diagnostic unit 210 to generate a corresponding diagnostic identification signal based on the vehicle diagnostic signal. For example, when the vehicle diagnostic signal is a two-digit signal of "1010", the diagnostic unit 210 may diagnose that the "1010" signal is a fault signal (such as a battery voltage abnormal signal), and output the corresponding diagnostic signal of the vehicle. Diagnosis The identification signal is broken, but not limited to this.

(3) The control arithmetic unit is configured to compile and output the diagnostic identification signal. In detail, the control operation unit 220 converts the diagnostic identification signal into a wireless communication data format by using the compiling and interpreting the wafer microprocessor 221.

(4) The transmission unit is configured to wirelessly transmit the diagnostic identification signal of the control computing unit to each of the smart devices.

(5) Each of the smart devices is configured to display a diagnostic message of the diagnostic identification signal. In detail, after the smart device 320 receives the diagnostic identification signal, the APP diagnostic software can use the APP diagnostic software to identify the diagnostic identification signal and display a corresponding diagnostic message, such as the battery voltage abnormality message, and even further display the battery voltage and Other diagnostic messages (eg engine temperature, speed, air temperature, intake pressure, fuel injection/ignition time, ECU run time, etc.).

Therefore, by using the diagnostic mode M1, the universal wireless diagnostic and communication device 20 can establish wireless connection transmission with each of the smart devices 320, and the universal wireless diagnostic and communication device 20 can receive and diagnose the wireless communication device 20 The vehicle diagnostic signal of the vehicle diagnostic system 330 is used for wireless transmission to each of the smart devices 320 for the users of the smart devices 320 to know the current vehicle condition for maintenance.

In an embodiment, after the vehicle is repaired according to the received diagnostic message, the smart device 320 can wirelessly transmit one of the communication signals to clear the diagnostic signal to the transmission unit 230 (for example, using the wisdom). The APP diagnostic software embedded in the device 320 is configured to compile and output the clearing diagnostic signal of the transmitting unit 230, and provide the clearing diagnostic signal to the diagnostic unit 210, so that the diagnostic unit 210 is based on the diagnostic unit 210. The clearing diagnostic signal of the control computing unit 220 controls the vehicle diagnostic system 330 to clear the vehicle diagnostic signal, thereby eliminating the fault message of the vehicle diagnostic signal.

FIG. 5 is a schematic diagram of a wireless diagnostic and communication device and system in a smart communication mode according to an embodiment of the invention.

Please refer to Figure 5 and refer to Figure 3.

Smart communication mode M2:

When the switch unit 240 switches to the smart communication mode M2 (for example, when the switch unit 240 CLOSE), then:

(1) The transmission unit is paired with each of the smart devices. In detail, the transmission unit 230 proposes a pairing request, for example, through MAC (Media Access Control) Address authentication, and when each smart device 320 successfully pairs with the transmission unit 230, data transmission can be provided. On the other hand, if the pairing is unsuccessful, the smart communication mode M2 is stopped.

(2) Perform firmware update. In detail, the user of the smart device 320 can use the firmware information sent by the APP diagnostic software to include a firmware update data signal for the control operation of the general-purpose wireless diagnostic and communication device 20. The unit 220, the diagnostic unit 210, and the wafer microprocessor 311 of the meter unit 310 perform a firmware update.

For example, the control computing unit 220, the diagnostic unit 210, and the wafer microprocessor 311 of the meter unit 310 can store and authenticate the firmware update data signal, and decrypt the firmware update data signal to receive the firmware update. One of the data signals, the firmware update data, and the cut batch storage authentication, when receiving the file size of the cut firmware update data is less than a predetermined capacity, receiving the last cut firmware update data to perform the Firmware update.

(3) The diagnostic unit receives a vehicle diagnostic signal of the vehicle diagnostic system and generates a corresponding diagnostic identification signal according to the vehicle diagnostic signal. In detail, when the user does not perform the firmware update, the user can control the diagnostic unit 210 by using the APP diagnostic software. Receiving the vehicle diagnostic signal of the vehicle diagnostic system 330, the diagnostic unit 210 generates a corresponding diagnostic identification signal according to the vehicle diagnostic signal.

(4) Each of the smart devices is configured to wirelessly transmit a communication signal to the transmission unit. In detail, the smart device 320 can also wirelessly transmit the communication signal to the transmission unit 230 while the diagnostic identification signal is generated, so that the transmission unit 230 wirelessly receives the communication signal of the smart device.

(5) The control arithmetic unit is configured to compile and output the diagnostic identification signal and the communication signal. In detail, the control computing unit 220 is configured to compile the diagnostic identification signal by using the wafer microprocessor 221 and the communication signal conforms to the CAN interface communication data format.

(6) The meter unit is configured to display one of the communication signals and the diagnostic message of the diagnostic identification signal. In detail, the chip microprocessor 311 of the meter unit 310 can interpret the communication signal and the diagnostic identification signal, and display the communication message of the communication signal through the display unit 312 of the meter unit 310 and display the diagnosis. Identify the diagnostic message for the signal. The communication message includes an incoming call message (such as a caller's phone number and name) of the smart device 320 and an incoming message (such as a text or image message of a communication software such as Facebook or LINE), and the diagnostic message can be For example: engine temperature, speed, air temperature, intake pressure, injection/ignition time, ECU operating time, etc.

Therefore, the smart communication mode M2 can be used to establish a wireless connection between the universal wireless diagnostic and communication device 20 and each of the smart devices 320, and can also establish a wired or wireless connection with the meter unit 310 of the vehicle. Line transmission. In addition, after receiving and diagnosing the vehicle diagnostic signal of the vehicle diagnostic system 330, the universal wireless diagnostic and communication device 20 can transmit to the meter unit 310 and display the diagnostic message so that the driving can be learned from the meter unit. Current vehicle condition to determine whether maintenance or repair is required.

At the same time, the smart device 320 can also transmit the communication signal to the meter unit 310 through the universal wireless diagnostic and communication device 20, so that the meter unit can simultaneously display the incoming call information and the incoming message information of the smart device. To avoid the occurrence of missed calls or missing newsletters.

In an embodiment, when the switch unit 240 is switched to the smart communication mode M2, the chip microprocessor 311 of the meter unit 310 can compile and transmit a meter signal to the control operation unit 220. The control operation unit The chip microprocessor 221 of 220 interprets and compiles the meter signal, converts it into a wireless communication data format, and outputs it to the transmission unit 230, and wirelessly transmits the meter signal to each smart device 320 by the transmission unit 230. After receiving the meter signal, each smart device 320 can determine and display one of the meter signals by using the APP diagnostic software, and the meter information can include information such as the amount of oil and mileage of the meter unit. In addition, the APP diagnostic software can estimate the current fuel quantity of the vehicle for a few kilometers, and the time point for replacing the oil can be estimated based on the current mileage of the vehicle.

In another embodiment, the meter unit 310 further includes a display switch 313 for selectively switching the display unit 312 to display the communication message, the diagnostic message or the meter message. Wherein, in order to facilitate control of the display changeover switch 313 when driving on a riding vehicle, the display changeover switch 313 can be disposed at a position adjacent to the handle of the vehicle, but not limited thereto.

It can be seen from the above that the general-purpose wireless diagnostic and communication device 20 of the present invention can be independently installed on a vehicle, and has various functions for diagnosing the condition of the vehicle and intelligently communicating with the vehicle, and the instruments of different specifications only need to authenticate the general-purpose type. The wireless diagnostic and communication device 20 can be used to make the general-purpose wireless diagnostic and communication device 20 highly practical.

In addition, the general-purpose wireless diagnostic and communication device 20 has a high degree of peripheral retention. For example, when the meter unit 310 of the vehicle wants to increase the tire pressure display, only the firmware of the wafer microprocessor 311 of the meter unit 310 needs to be changed. That is, there is no need to change the firmware of the general-purpose wireless diagnostic and communication device 20.

In the above, it is merely described that the present invention is an embodiment or an embodiment of the technical means for solving the problem, and is not intended to limit the scope of implementation of the present invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

Claims (7)

A universal wireless diagnostic and communication device includes a diagnostic unit, a control computing unit, a transmission unit and a switch unit, wherein the diagnostic unit is configured to receive a vehicle diagnostic signal of a vehicle diagnostic system. And generating a corresponding diagnostic identification signal according to the vehicle diagnostic signal, wherein the diagnostic identification signal is a fault signal; the control computing unit is electrically connected to the diagnostic unit and the switch unit, and the control unit is electrically or The signal unit is connected to a meter unit, wherein the meter unit is further configured to transmit a meter signal to the control unit, the control unit compiles and outputs the meter signal to the transmission unit, and the transmission unit wirelessly transmits the meter of the control unit Signaling to each of the smart devices, wherein the smart device is configured to display one of the meter signals; the transmitting unit is electrically connected to the control computing unit and wirelessly pairs at least one smart device; wherein, When the switch unit is switched to a diagnosis mode, the control unit is used to compile Outputting the diagnostic identification signal, the transmission unit is configured to wirelessly transmit the diagnostic identification signal of the control computing unit to each of the smart devices, wherein the smart device is configured to display a diagnostic message of the diagnostic identification signal; and when the switching When the switch unit is switched to a smart communication mode, each smart device is configured to wirelessly transmit a communication signal to the transmission unit, and the control operation unit is configured to compile and output the diagnostic identification signal and the communication signal, and the meter unit includes a The display switch is configured to select to switch the diagnostic message or the meter message for displaying one of the communication signals and the diagnostic identification signal. A wireless diagnostic and communication system comprising a universal wireless diagnostic and communication device, a vehicle diagnostic system, at least one smart device and a meter The general-purpose wireless diagnostic and communication device comprises a diagnostic unit, a control computing unit and a transmission unit, wherein the diagnostic unit is configured to receive a vehicle diagnostic signal of the vehicle diagnostic system, and according to the vehicle The diagnostic signal generates a corresponding diagnostic identification signal, wherein the diagnostic identification signal is a fault signal; the control computing unit is electrically connected to the diagnostic unit for compiling and outputting the diagnostic identification signal; the transmission unit is electrically connected The control computing unit is configured to wirelessly transmit the diagnostic identification signal of the control computing unit; each of the smart devices is configured to wirelessly pair the transmission unit to wirelessly receive the diagnostic identification signal of the transmission unit, and display the diagnosis Identifying a diagnostic message of the signal; and the meter unit includes a display switch, the meter unit transmits a meter signal to the control unit, the control unit compiles and outputs the meter signal to the transmission unit, and the transmission unit wirelessly transmits Controlling the meter signal of the arithmetic unit to each of the smart devices, so that The smart meter apparatus for displaying one of said signal meter message. The wireless diagnostic and communication system of claim 2, wherein the transmission unit is in two-way communication with each of the smart devices, such that each of the smart devices wirelessly transmits one of the communication signals to clear the diagnostic signal to the transmission unit, the control operation The unit compiles and outputs the clearing diagnostic signal of the transmitting unit, and the diagnostic unit controls the vehicle diagnostic system to clear the vehicle diagnostic signal according to the clearing diagnostic signal of the control computing unit. A wireless diagnostic and communication system comprising a universal wireless diagnostic and communication device, a vehicle diagnostic system, a meter unit and at least one smart device, the universal wireless diagnostic and communication device comprising a diagnostic unit and a control operation a unit and a transmission unit, characterized by: The diagnostic unit is configured to receive a vehicle diagnostic signal of the vehicle diagnostic system, and generate a corresponding diagnostic identification signal according to the vehicle diagnostic signal, wherein the diagnostic identification signal is a fault signal; the transmission unit is configured to receive wirelessly a communication signal; each of the smart devices is configured to wirelessly pair the transmission unit and wirelessly transmit the communication signal to the transmission unit; the control operation unit is electrically connected to the diagnosis unit and the transmission unit for compiling and outputting The diagnostic identification signal and the communication signal of the transmission unit; and the meter unit is electrically or signally connected to the control operation unit for transmitting a meter signal to the control operation unit, and the control operation unit compiles and outputs the instrument signal To the transmission unit, the transmission unit wirelessly transmits the meter signal of the control unit to each of the smart devices, so that each smart device is configured to display a meter message of the meter signal, and the meter unit includes a display switch For selecting to switch to display one of the communication signals and the diagnostic identification message One of the diagnostic message or the meter message. A wireless diagnostic and communication method for a wireless diagnostic and communication system, the wireless diagnostic and communication system comprising a universal wireless diagnostic and communication device, a vehicle diagnostic system, a meter unit and at least one smart device, the pan The wireless diagnostic and communication device comprises a diagnostic unit, a control computing unit, a transmission unit and a switch unit, wherein the wireless diagnostic and communication method comprises the steps of: providing the wireless diagnostic and communication system; Switching the switch unit to a diagnostic mode or a smart communication mode, wherein: when the switch unit is switched to the diagnostic mode: the transmission unit wirelessly pairs each of the smart devices; the diagnostic unit receives one of the vehicle diagnostic systems Vehicle diagnostic signal, and generate a corresponding diagnosis based on the vehicle diagnostic signal Breaking the identification signal, wherein the diagnostic identification signal is a fault signal; the control operation unit is configured to compile and output the diagnostic identification signal; the transmission unit is configured to wirelessly transmit the diagnostic identification signal of the control operation unit to each of the smart types And the smart device is configured to display a diagnostic message of the diagnostic identification signal; and when the switch unit switches to the smart communication mode: the transmission unit wirelessly pairs each of the smart devices; the diagnostic unit receives the a vehicle diagnostic signal, and a corresponding diagnostic identification signal is generated according to the vehicle diagnostic signal; each smart device is configured to wirelessly transmit a communication signal to the transmission unit, wherein the communication signal further includes a firmware update a data signal for performing a firmware update on the control computing unit, the diagnostic unit, and a chip microprocessor of the meter unit; the control computing unit is configured to compile and output the diagnostic identification signal and the communication signal; The meter unit is configured to display one of the communication signals and the diagnostic identification signal Off message. The wireless diagnostic and communication method of claim 5, further comprising: when the switch unit switches to the diagnostic mode: each of the smart devices wirelessly transmits one of the communication signals to clear the diagnostic signal to the transmission unit; Compiling and outputting the clearing diagnostic signal of the transmitting unit by the computing unit; and The diagnostic unit controls the vehicle diagnostic system to clear the vehicle diagnostic signal according to the clearing diagnostic signal of the control computing unit. The wireless diagnostic and communication method of claim 5, further comprising: when the switch unit switches to the smart communication mode: the meter unit transmits a meter signal to the control unit; the control unit compiles and outputs the The signal is transmitted to the transmission unit; the transmission unit wirelessly transmits the meter signal to each of the smart devices; and each of the smart devices is configured to display one of the meter signals.