4 Way Switch OBD2 Diagnostic Cable Adapter for Fiat ECU Scanner Tool Replacement Features： 1、Fitment: The diagnostic cable is applicable for Windows XP, for Vista, for Windows 7, and is a replacement for Fiat ECU Scan, for KKL409.1. 2、Function: Equipped with 4 way switch to access different ECUs, the position 1 is for engine, 2 for supplementary restraint system, 3 for ABS, 4 for ESP. 3、Pins: The pin 1 can be connected to the ABS, the pin 3 to the supplementary restraint system, pin 7 to the engine or gearbox, pin 9 to ESP. 4、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5、Operation: You need to plug the connector with your computer and your OBD diagnostic tool (not included), then follow the instructions on CD for operation. Specification： Item Type: OBD2 Diagnostic Cable Material: ABS Compatible Operating Systems: for Windows XP, for Vista, for Windows 7 Compatible Diagnostic Software: Replacement for Fiat ECU Scan Fits for KKL409.1 4 Way Switch: Position 1: Engine ECU (read or clear engine faults) Position 2: For supplementary restraint system ECU (read or clear SRS faults) Position 3: ABS ECU (read or clear break faults) Position 4: for ESP ECU (red or clear stability fault) pin 1: ABS pin 3: SRS pin 7: Engine or Gearbox pin 9: for Esp Package List： 1 x OBD2 Diagnostic Cable 1 x CD