Car Detection Coil Ecu Test Induction Anti Tester Auto Automotive Tool System Immobilizer Key Diagnostic Ignition Signal DeviceProduct Description: 100% brand new and high-quality! 1. Place the coil detector on the ignition switch. 2. Turn on the key, and the light on the coil indicates that the vehicle is working properly. 3. If the light is not on, it indicates that the anti-theft computer ECU is not working properly. 4. Simple detection does not require special tools, fast and convenient Specification: Type: Coil Tester Material:ABS Color: Red Analysis of test results: 1 The light emitting tube flashes and goes out, indicating that the anti-theft system and chip key are working properly 2 The flashing time of the LED is relatively long, indicating that the chip key does not match the vehicle's anti-theft system and needs to be matched again with the chip key 3 If the LED does not flash, it indicates that the vehicle's anti-theft system is faulty. Please check the vehicle's anti-theft system Package Included: 1 PC x ECU Coil Tester Notes: -Due to the difference between different monitors, the picture may not reflect the actual color of the product. -Please allow 1-2mm error due to manual measurement. -Due to long shipping, the item may damage in transit, if the item damage, pls contact us firstly immediately before leave feedback, thanks for your understanding.