The Suzuki K6A engine, used in various Kei cars, requires specific ECU pinout configurations, typically featuring a 60-terminal (C37) and a 34-terminal (E23) connector setup, with varying wiring for fuel, ignition, and sensors. Key resources for these diagrams include the Suzuki K6A-YH6 manual and detailed wiring documents available on Scribd . ECU Wiring Diagram for Suzuki K6A | PDF - Scribd

The Suzuki K6A is a staple of the Japanese Kei car market, powering popular models like the Jimny, Carry, Alto, and Wagon R . Mapping its Engine Control Unit (ECU) pinout is essential for engine swaps, aftermarket tuning, or deep electrical troubleshooting.

This arrangement is frequent in later model K6A engines. Below are key terminal assignments for the primary connectors: Connector C37 (60-Pin) Pin 1 (PNK): Fuel Injector No. 1 Pin 2 (PNK/BLK): Fuel Injector No. 2 Pin 31 (BLK/YEL): Ground for A/F Sensor Heater Pin 32 (PNK/BLU): Heater output of A/F Sensor Pin 35 (RED/YEL): Crankshaft Position (CKP) Sensor (–) Pin 40 (RED): Throttle Position Sensor (TPS) signal Pin 41 (GRN): Ground for Throttle Position Sensor Connector E23 (34-Pin) Pin 4 (WHT/RED): CAN-High communication line (for ABS/Control modules) Pin 5 (PPL/WHT): 12V Serial Communication (Data Link Connector) Universal 16-Pin + 8-Pin Wiring (Retrofit/Aftermarket)