While specific pin functions can vary slightly based on the vehicle model and engine, the Bosch EDC17 series shares common architectures. Below is an overview of the key sections found in the 94-pin connector for a 17c61 unit: Power and Ground : Pin 1, Pin 2 Ground : Pin 3, Pin 4 Communication CAN-H : Pin 68 CAN-L : Pin 80 K-Line : Pin 45 (Used for older diagnostics) Sensor Inputs (Key) Crankshaft Position (CKP) : Pins 29/30 Camshaft Position (CMP) : Pins 52/53 Mass Air Flow (MAF) : Multiple pins Coolant Temperature (CTS) : Pin 15 Actuator Outputs (Key) Injector 1 : Pin 58 Injector 2 : Pin 65 Injector 3 : Pin 74 Injector 4 : Pin 81 Turbo Charger Actuator : Various PWM outputs 4. Tips for Successful EDC17C61 Connection
Wire the CAN-High and CAN-Low lines to their designated pins using high-quality probe adapters or terminal sleeves. 17c61 ecu pinout