Signal specification (B5244S; 2003-2007): Notes
| Model | Model year | Engine | Signal specification |
| C70, S70, V70 -2000 | 1999 | Gasoline (B5254S DENSO) | See Signal specification |
| C70, S70, V70 -2000 | 2000 | Gasoline (B5244S/S2) | See Signal specification |
| S70, V70 -2000 | 2000 | Bi-fuel (B5244SG/SG2) | See Signal specification |
| S80 | 1999-2000 | Gasoline (B5244S/S2) | See Signal specification |
| S60, S80, V70 2000- | 2001-2002 | Gasoline (B5244S/S2) | See Signal specification |
| S60, S80, V70 2000- | 2001- | Bi-fuel (B5244SG/SG2) | See Signal specification |
| S60, S80, V70 2000- | 2003- | Gasoline (B5244S/S2/S6) | See Signal specification |