Signal Path
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- ECM reads a signal transmitted from the engine coolant temperature sensor and transmits the signal to the HPCM via CAN communication.
- HPCM receives an engine coolant temperature signal from ECM and transmits the signal to the combination meter via CAN communication.
- Combination meter shows/hides the high water temperature warning on the information display according to the engine coolant temperature signal received from HPCM via CAN communication.