Happy wiring – no more guessing.
| Pin | Sensor | Type | Notes | |------|--------|------|-------| | B6 | Crank position (CKP) | SIG | 0–5V, needed for spark/fuel | | B5 | Cam position (CMP) | SIG | Sync | | B11 | MAP | SIG | Boost (turbo) or vacuum | | B18 | TPS | SIG | 0–5V, idle ~0.5V, WOT ~4.5V | | B21 | IAT | SIG | Intake air temp | | B4 | ECT | SIG | Coolant temp | | B22 | O2 sensor | SIG | Narrowband, 0–1V | | B30 | Knock | SIG | AC signal | suzuki k6a engine ecu pinout better
Before referencing any diagram, check your physical ECU hardware. Happy wiring – no more guessing
If your K6A ECU has a gray label and a part number ending in "56B4", it has an immobilizer. The ECU will not fire injectors unless it receives a handshake from the Suzuki security module (located behind the glovebox). In this case, are the serial data lines to the immobilizer. You cannot bypass this via the pinout—you must either: The ECU will not fire injectors unless it