| Pin | Signal | Wire Color | Notes | | :--- | :--- | :--- | :--- | | | Backup Power (Batt +12V) | White/Red | Constant 12V for ECU memory | | A2 | Main Power (Switched +12V) | Black/White | From main relay | | A3 | Sensor Ground | Black/Red | Common for TPS, MAP, ECT | | A4 | Power Ground | Black/Yellow | To engine block | | A5 | Power Ground | Black/Yellow | | | A6 | Throttle Position Sensor (TPS) Signal | Light Green | 0.5V (idle) to 4.5V (WOT) | | A7 | Manifold Absolute Pressure (MAP) | Light Green/Red | Frequency based (Turbo models) | | A8 | Intake Air Temp (IAT) | Green/White | 2.2kΩ cold / 300Ω hot | | A15 | Camshaft Position (CMP) | Yellow/Red | Hall effect sensor | | A16 | Crankshaft Position (CKP) | Blue/Red | 24 tooth crank wheel | | A21 | Engine Coolant Temp (ECT) | Yellow/Blue | | | A22 | Knock Sensor | Shielded | Connects to ECU logic ground | | A24 | Oxygen Sensor (Primary) | White | 0-1V Zirconia | | A30 | Ignition Switch (ST) | Black/White | Start signal input | | A31 | Main Relay Control | Blue/Yellow | ECU grounds to turn on relay |
While pin assignments vary by specific ECU part numbers (e.g., suffixes like -84F7 or -75C1), several critical signals remain consistent across most K6A systems:
, look for a pin labeled "OCV" (Oil Control Valve). That is not listed above. suzuki k6a engine ecu pinout
Distinctive locking lever connectors with very fine pins. Universal K6A ECU Pinout Functions
Here are the best ways to track down the correct information for your specific ECU: | Pin | Signal | Wire Color |
The Suzuki K6A engine ECU is a sophisticated computer system that controls various engine functions, including fuel injection, ignition timing, and emissions control. The ECU receives input from various sensors, processes the data, and sends output signals to actuators to optimize engine performance.
Connect all power ground pins (E01, E02) to a clean, unpainted chassis point or directly to the battery negative terminal. Universal K6A ECU Pinout Functions Here are the
When your K6A starts running on two cylinders at 3 AM, you will thank me for the injector pinout.