System Description: Tachometer
WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
The tachometer indicates engine speed in revolutions per minute (RPM).
- ECM provides engine speed signal to unified meter and A/C amp. with CAN communication.
- Unified meter and A/C amp. transmits engine speed signal to combination meter with communication line.
- Combination meter indicates the engine speed according to engine speed signal.