Suzuki K6a Engine Ecu Pinout «2024»

| Pin | Signal | Description | |------|----------------|----------------------------------| | C1 | ISC solenoid | Idle speed control (if separate from IAC) | | C2 | CLT gauge output | Coolant temp gauge to dash | | C3 | Tachometer output | RPM signal for cluster | | C4 | K-line (ISO 9141) | Diagnostics (OBD) – K line | | C5 | L-line | Diagnostics (rarely used) | | C6 | Serial data (OBD2) | J1850 or CAN (late models) | | C7 | Torque converter clutch (auto) | TCC solenoid control | | C8 | Trans shift solenoid A | Auto transmission | | C9 | Trans shift solenoid B | Auto transmission |

The most common K6A ECU configurations typically feature two or three main connectors (often referred to as E23 and C37 or similar codes). 1. Power and Ground Connections suzuki k6a engine ecu pinout

If you are modifying beyond a simple exhaust and boost controller, the factory K6A ECU becomes a problem. It does not like bigger injectors (it sees them as a "leak") and has aggressive fuel cut on overboost. It does not like bigger injectors (it sees