Honda Accord 2008 Manual page 2135

07/11/02 09:30:21 61TA0000_220_0105
Multiplex Integrated Control System
System Description
MICU Control Functions Index
The driver's MICU (built into the under-dash fuse/relay box) is one of the B-CAN components. The driver's MICU
controls many systems related to the body controller area and a security system, and also works as a gateway to
diagnose the other B-CAN connected ECUs with the HDS.
Refer to each system circuit diagram for details.
System
Multiplex Control
On-Board Diagnosis
Self-Diagnosis
Interior Light(s)
Sleep Function
The driver's MICU also controls the function of these circuits:
• Entry lights control (front individual map lights and ceiling light)
• Exterior lights control (including the daytime running lights control, and auto-headlights off control)
• Horns
• Interlock system
• Keyless entry
• Power door locks
• Power window key-off timer
• Security alarm
• Turn signal/hazard warning lights
• Wiper/washer
22-102
ＴＡ０８Ａ００Ｊ０００５０６０００００ＣＡＡＴ１０
Sends the switch input signal information to the driver's MICU and outputs the
information. The driver's MICU controls the ECU's electric load and communication based
upon the information received the B-CAN.
The driver's MICU has a gateway function which sends the results of the driver's MICU
internal diagnosis and the B-CAN connected ECU's diagnosis to the HDS.
Test mode 1 diagnoses the communication line between the driver's MICU and B-CAN
connected units. Test mode 2 checks the switch inputs connected to the driver's MICU.
The driver's MICU controls the interior lights ON, OFF and dimming based upon the
information of the related switches and/or the B-CAN related information.
The driver's MICU has a sleep function, which it enters during the power down mode.
Function