K20z3: Ecu Pinout

If you are swapping a K20Z3 into an older chassis (like an EG or EK Civic), you must account for the following:

When swapping a K20Z3 into an older chassis (e.g., EK, EG, DC2): k20z3 ecu pinout

If you are reading this for a standalone build: If you are swapping a K20Z3 into an

| Connector | Pin Count | Primary Functions | |-----------|-----------|--------------------| | | 32 pins | Power, grounds, injectors, ignition coils, VTEC solenoid, fuel pump relay, alternator control | | B | 24 pins | Sensors – MAP, TPS, ECT, IAT, knock sensor, VTC oil control valve, cam/crank position | | C | 48–49 pins| O2 sensors (primary & secondary), VSS, A/C, cooling fans, power steering pressure, immobilizer, MIL, serial communication (K-line/CAN) | fuel pump relay