Before referencing any diagram, check your physical ECU hardware.
: If you are working on a specific vehicle like a Suzuki Jimny, specialized Plug and Play ECU suzuki k6a engine ecu pinout better
The C37 connector generally handles fuel delivery and sensor inputs. Wire Color Primary Circuit / Function Pink (PNK) Fuel Injector No. 1 Pink/Black (PNK/BLK) Fuel Injector No. 2 Oxygen (O2) Sensor Signal (Heated) Black/Yellow (BLK/YEL) Ground for A/F (Air/Fuel) Sensor Heater Pink/Blue (PNK/BLU) Heater Output of A/F Sensor Red/Yellow (RED/YEL) Crankshaft Position (CKP) Sensor Signal Throttle Position Sensor (TPS) Signal Green (GRN) Ground for Throttle Position Sensor Secondary Pinout Functions (Connector E23) Before referencing any diagram, check your physical ECU
on Scribd provide a full terminal arrangement for 60-pin and 34-pin connectors. Technical Manuals Suzuki K6A-YH6 Repair Manual Before referencing any diagram