Terminal

The Terminal tab gives you a direct, interactive command-line interface (CLI) right in your web browser. It allows you to send raw commands either to the WiCAN Pro's internal operating system or directly to your vehicle's ECU.

This tool is incredibly useful for manual diagnostics, testing Initialization Strings before adding them to an Automate Group, or debugging connections.

1. Selecting a Terminal Type

Before sending commands, you must choose which "layer" of the device you want to talk to using the Terminal Type dropdown:

Terminal TypeDescription
WiCAN Command Line (console)Talks to the WiCAN Pro's main processor. Use this to check device status, manage files, or send internal system commands (e.g., help, status, echo hello).
ELM327Bypasses the WiCAN's main processor and talks directly to the OBD chip. Use this to send standard AT commands (like ATZ for reset or ATRV to read voltage) or manually request OBD2 PIDs (like 010C for RPM).
UDS(Coming Soon) Will provide a dedicated interface for Unified Diagnostic Services.

2. Connecting and Sending Commands

  1. Connect: Select your terminal type and click Connect. The status badge at the top right will change from "Disconnected" to "Connected" (typically turning green).
  2. Type your Command: Click into the input box at the bottom of the screen.
  3. Send: Press the Send button (or hit Enter on your keyboard).
  4. Read Output: The terminal window will display your sent command and the subsequent response returned by the device or vehicle.

!TIP The terminal output box is optimized for code. It uses a monospace font and automatically scrolls to the bottom as new data arrives so you can easily track fast responses.

3. Common ELM327 Commands

If you are using the ELM327 terminal type, here are a few basic commands you can try to verify your connection to the vehicle:

  • ATZ - Resets the ELM327 chip.
  • ATRV - Reads the current vehicle battery voltage.
  • ATDP - Describes the current OBD protocol being used.
  • 0100 - Asks the ECU which standard Service 01 PIDs it supports.
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