| Engine Code | Engine Code Description |
|---|
| 11 | Crank angle sensor or circuit |
| 12 | Starter switch or circuit |
| 13 | Cam position sensor or circuit (TDC sensor on Justy) |
| 14 | Fuel injector no. 1 (Legacy, Impreza, Justy, SVX); Fuel injector 1 and 2 (XT, Loyale, GL, DL) |
| 15 | Fuel injector no. 2 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (Loyale, GL, DL); Fuel injector 5 and 6 (XT6) |
| 16 | Fuel injector no. 3 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (XT) |
| 17 | Fuel injector no. 4 (Legacy, Impreza, SVX); Fuel injector 1 and 2 (XT6) |
| 18 | Fuel injector no. 5 (SVX) |
| 19 | Fuel injector no. 6 (SVX) |
| 21 | Coolant temperature sensor or circuit |
| 22 | Knock sensor or circuit (right side on SVX) |
| 23 | Air flow meter or circuit (exc. Justy); Pressure sensor (Justy) |
| 24 | Air control valve or circuit (exc. Justy); Idle speed control solenoid valve (Justy) |
| 25 | Fuel Injector 3 and 4 (XT6) |
| 26 | Air temperature sensor (Justy) |
| 28 | Knock sensor no. 2 (SVX, left side) |
| 29 | Crank angle sensor (SVX, no. 2) |
| 31 | Throttle position sensor or circuit |
| 32 | Oxygen sensor or circuit (no. 1, right side on SVX) |
| 33 | Vehicle speed sensor (VSS) or circuit |
| 34 | EGR solenoid valve |
| 35 | Canister purge solenoid or circuit |
| 36 | Air suction solenoid valve (Impreza); Igniter circuit (Justy) |
