Check code 12
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 12 DIAGNOSTIC PROCEDURES
| Check code 12 |
Speedometer display signal |
| INSPECTION CONDITION |
DISPLAY |
ACTION |
| Select check code 12. |
oo |
All segments in the speedometer illuminate. |
The speedometer is normal. |
| Except above |
Replace the instrument cluster. |
| Err |
- |