Suzuki K6a Engine Ecu Pinout |work| Jun 2026

The Suzuki K6A engine utilized several different ECU generations. When searching for pinouts, the year and model of the donor vehicle are the primary determinants.

Have a specific K6A pinout question? Drop your ECU part number in the comments below. suzuki k6a engine ecu pinout

| Code | Fault | | :--- | :--- | | 12 | Crank position sensor | | 13 | Cam position sensor | | 14 | MAP sensor | | 21 | Coolant temp sensor | | 23 | Intake air temp | | 25 | O2 sensor | | 31 | TPS circuit | | 42 | Fuel pump circuit | | 44 | Boost pressure sensor (Turbo models) | The Suzuki K6A engine utilized several different ECU

Are you planning to install an or just trying to fix a no-start issue ? Suzuki K6a Engine Wiring Diagram - Pinterest Drop your ECU part number in the comments below

| Pin | Signal | Wire Color | Notes | | :--- | :--- | :--- | :--- | | | Injector #1 | Yellow | Peak & hold (approx 6A) | | B2 | Injector #2 | Light Green | | | B3 | Injector #3 | Pink | | | B4 | Ignition Coil #1 | Brown | Logic level trigger | | B5 | Ignition Coil #2 | Red | | | B6 | Ignition Coil #3 | Green | | | B8 | Boost Control Solenoid | Blue/White | Turbo models only (Wastegate duty) | | B9 | Idle Air Control (IAC) – Close | Brown/White | Stepper motor | | B10 | IAC – Open | Brown/Red | Stepper motor | | B11 | Fuel Pump Relay | Yellow/Green | ECU grounds to prime | | B12 | Check Engine Light (MIL) | White/Black | Switched ground | | B14 | EGR Solenoid | Yellow/Black | If equipped | | B15 | VVT Solenoid (If equipped) | Blue/Red | Late K6A engines | | B20 | Tachometer Output | Brown | To cluster | | B31 | Diagnostic Switch (Diag) | Red/Yellow | Ground to enter dealer mode | | B32 | Serial Data (K-Line) | White/Red | OBD-II/OBD1 scan tool |