Check code 12
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 12 DIAGNOSTIC PROCEDURE
| Check code 12 | Operation signal to speedometer | ||
|---|---|---|---|
| INSPECTION | INDICATION | SITUATION | ACTION |
| Wait for 2 seconds after selecting check code 12. | oo | Speedometer needle moves full scale then returns to 60 km/h or 60 MPH . | Speedometer is okay. |
| Other than stated above. | Replace instrument cluster. | ||
| Err | - | ||