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The Suzuki K6A engine, common in the Wagon R, Alto, and Carry, uses several ECU configurations depending on the specific model and production year . The most prevalent layouts are those manufactured by
| Pin No. | Wire Color (Typ) | Function | Description | | :--- | :--- | :--- | :--- | | B1 | Yellow | Crank Angle Sensor | Ne Signal (Engine RPM). Critical for spark. | | B2 | - | Cam Angle Sensor | G Signal (Cylinder ID). | | B3 | - | Vehicle Speed Sensor | Reed switch input from speedometer. | | B8 | Yellow/Blue | Throttle Position (TPS) | Voltage signal 0.5V - 4.5V. | | B10 | White | Oxygen Sensor | O2 Sensor signal (Heated). | | B12 | - | MAP Sensor | Manifold Absolute Pressure signal. | | B13 | - | Intake Air Temp (IAT) | Resistance changes with air temp. | | B14 | - | Engine Coolant Temp (ECT) | Resistance changes with coolant temp. | | B19 | - | A/C Pressure Switch | Cuts A/C if pressure is too high. | | B20 | - | Power Steering Pressure | Increases idle when turning the wheel. |
| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | CAN_H | CAN bus high signal | | 2 | CAN_L | CAN bus low signal | | 3 | ECT | Engine coolant temperature sensor signal | | 4 | IAT | Intake air temperature sensor signal | | 5 | MAF | Mass airflow sensor signal | | ... | ... | ... | suzuki k6a engine ecu pinout
Coolant Temp (ECT): Regulates fuel enrichment and fan control. Actuator Outputs:
Conclusion
For a deeper dive into specific diagrams for your vehicle's year, you can find scanned technical manuals on sites like Scribd or JDM Manuals.
Camshaft/Crankshaft Position: Essential for ignition timing. MAP/MAF: Manifold Absolute Pressure or Air Flow sensor. TPS: Throttle Position Sensor. The Suzuki K6A engine, common in the Wagon
The Suzuki K6A engine is a legend in the kei-car world. Found under the hoods of the Suzuki Cappuccino, Alto Works, Cervo, and the popular Suzuki Carry/Every vans, this 660cc powerhouse is known for its high-revving nature and tunability.
ECU Overview