The K6A is a 658cc 3-cylinder, 4-valve per cylinder engine found in Suzuki’s Kei class vehicles. Two primary ECU types exist:
| Pin | Wire Color | Function | Critical Notes | |------|------------|----------|----------------| | C01 | Shielded (Bare) | Crank Sensor Shield Ground | Do not ground externally. | | C02 | Black | Crankshaft Position (CKP) – Negative | VR sensor negative. | | C03 | White | Crankshaft Position (CKP) – Positive | VR sensor positive. Twist pair. | | C04 | Black/Green | CMP Sensor Power (5V) | Supplied from ECU. | | C05 | Blue/White | CMP Sensor Ground | Dedicated return. | | C06 | Yellow | CMP + Signal | Same as A18 – redundant on some ECUs. | | C07 | Red | Serial Data (K-Line) | Diagnostics (check engine scanner). | | C08 | Green | Injector Common 12V | From EFI relay. Ensure clean supply. | | C09-16 | Various | ABS, Speed limiter, Immobilizer | Rarely used in swaps. | suzuki k6a engine ecu pinout high quality
The Suzuki K6A engine ECU pinout typically consists of several connectors, including: | | C02 | Black | Crankshaft Position
Hitachi ECU Pinout (K6A Engine)
For high-resolution PDF diagrams, technical communities often refer to the Suzuki K6A Service Manual AE6108 ECU System Diagram Need help with a specific wire? To give you the exact pin location, I need to know: Part Number on the ECU sticker (e.g., 33920-81AC0 Vehicle Model Whether it is Naturally Aspirated Once you have those details, I can provide a color-coded pinout table for your specific unit. | | C04 | Black/Green | CMP Sensor