MICU Control Function Index
System
Function
Multiplex Control
Sends the information of the switch input/output signal to the MICU. The MICU controls the ECUs electric load and communication based upon the information received via the B-CAN.
On-board Diagnosis
The MICU has a gateway function which sends the results of the MICU internal diagnosis and the B-CAN connected ECUs diagnosis to the HDS.
Self-diagnosis
To enter the self-diagnostic mode, diagnose the inputs and communications of the MICU. Test mode 1 diagnoses the communication line between the MICU and B-CAN connected unit. Test mode 2 checks the switch inputs connected to the MICU.
Interior Light(s)
The MICU controls the interior lights ON, OFF and dimming based upon the information of the related switches and/or the B-CAN related information.
Sleep Function
The MICU has a sleep function, which it is enters during the power down mode.

The MICU also controls the function of these circuits:
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With sunshade