System Description: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Infiniti FX45, 2005 Infiniti FX35, 2004 Infiniti FX45, 2004 Infiniti FX35, and 2003 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

For the unified meter and A/C amp., the signal required for controlling the combination meter are integrated in the A/C auto amp.
Unified meter and A/C amp. controls each operation for A/C auto amp. For information regarding A/C control, refer to "AIR CONDITIONER CONTROL " in Automatic Air Conditioner article.
Unified meter and A/C amp. inputs necessary information for combination meter from each unit by CAN communication and so on.
And unified meter and A/C amp. outputs these signals using communication line (TX, RX) between unified meter and A/C amp. and combination meter.
The signals required for the distance to empty (DTE) display are centralized in the unified meter and A/C amp., converted into data, and sent to the display unit (without NAVI) display control unit (with NAVI) using CAN communication.
Other input signals are also sent to the ECM, TCM, AWD control unit, BCM, display unit (without NAVI) and display control unit (with NAVI) using CAN communication.
The unified meter and A/C amp. correspond a CONSULT-II function (self-diagnostic results, CAN diagnostic support monitor, data monitor).