1. This is a testing platform for OBDII protocol detection and communication diagnostics. 2. Converts the vehicle's OBD2 interface to 6-pin configuration for signal detection and electrical level conversion. 3. Compatible with most diagnostic tools to assess vehicle communication status. 4. Provides power supply during battery replacement to help prevent loss of vehicle control module data, system lockouts, key fob malfunctions, or fault lights. Special Features: 1. Assists in diagnosing faults within the OBDII interface. 2. Battery replacement support tool. 3. Voltage transfer capability. OBDII Protocol Detector & Communication Detection: 1. Connect the OBDII Break Out Box to the vehicles OBDII diagnostic port. 2. Device displays voltage upon connection. 3. Connect diagnostic tool; when communication occurs, the corresponding protocol LED illuminates or flashes. (CAN protocol detected will show maximum brightness.) Functions: - Displays test voltage on car or truck systems. - Indicates active communication pin number. - Acts as an extension for OBD Diagnostic Link Connector. - Enables pin short-circuit testing. - Helps identify isolated circuit issues. - Serves as a power extension cord for small DC testers requiring external power (up to 1.2 amps). - Allows circuit testing using a multimeter or oscilloscope. - Facilitates checking of Power (Pin 16), Chassis Ground (Pin 4), and Signal Ground (Pin 5). - Helps preserve ECU data during vehicle battery replacement. Note: Product design may vary slightly between batches. Differences in color or appearance do not affect functionality. Color: As shown in photos Material: ABS Package Contents: 1 x Car OBD Break Out Box Tool Note: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm.