Suzuki K6a Engine Ecu Pinout Better !full! (2026)

: Supplies the primary current to fire up the internal ECU logic blocks when the key turns to the "Run" position.

For more information on the Suzuki K6A engine ECU pinout, we recommend consulting: suzuki k6a engine ecu pinout better

: Less common, but you might encounter this on some ECUs (like the 33920-81JA0 from the R Wagon) using a 60-pin and a 44-pin plug. Typically, the 60-pin connector is for engine management signals, while the 44-pin is for chassis functions like lights and gauges. : Supplies the primary current to fire up

Look at the connector face (where the wires go in). Pins are numbered usually Left-to-Right, Top-to-Bottom. Look at the connector face (where the wires go in)

Separate signals for Coils 1, 2, and 3 (Direct Ignition System).

| Pin # | Function | Typical Wire Color | Notes | | :--- | :--- | :--- | :--- | | | Ignition Switch Power (IG) | Black/White | +12V when key is ON | | A2 | Main Relay Power (B+) | White/Black | Constant +12V from Battery | | A3 | Engine Ground (E1) | Brown/Black | Connect to Chassis/Block | | A4 | Sensor Ground (E2) | Green/Red | Ground for TPS/MAP sensors | | A6 | Check Engine Light (MIL) | Yellow/Red | Grounds the light to turn it on | | A10 | Throttle Position (VTA) | Yellow | Signal wire from TPS | | A12 | Manifold Pressure (PIM) | Green/White | MAP Sensor Signal | | A13 | Intake Air Temp (THA) | Green/Blue | IAT Sensor Signal | | A14 | Coolant Temp (THW) | Green/Yellow | ECT Sensor Signal | | A21 | Vehicle Speed Sensor | White | From Speedometer | | A22 | Tachometer Output | Blue | For Dash Tach |