Honda Accord 2008 Manual page 2140

07/11/02 09:30:22 61TA0000_220_0110
Driver's MICU
Power Supply Voltage Monitoring Function
The driver's MICU monitors the power supply voltage (back-up voltage). If the voltage goes below 10 V, the driver's MICU sends a driver's
MICU message and will not store DTCs.
Driver's Battery voltage (VBU)
MICU
B-CAN
Entry Lights Control System (Ceiling Lights, Map Lights, Ignition Key Light)
The driver's MICU controls the ceiling light ON/OFF based upon the input signals from each switch.
Driver's IG1 power supply
MICU Ignition key switch
Driver's door switch
Left rear door switch
B-CAN Keyless LOCK/UNLOCK signal
Right rear door switch
Driver's door lock knob switch (LOCK)
Front passenger's door switch
Collision Detection Signal (CDS)
The driver's MICU controls the door lock actuators based upon the IG1 and the SRS (CDS) signals.
Driver's IG1 power supply
MICU
B-CAN CDS signal
Key Interlock (A/T)
The driver's MICU controls the key interlock solenoid based upon the ignition switch ACCESSORY (I) position, the transmission range switch P
position, and the park-pin switch signals.
Driver's Ignition switch (I)
MICU Transmission range switch (P) position
Park-pin switch
Rear Window Defogger Timer Operation (With Climate Control)
The driver's MICU controls the rear window defogger timer based upon the ignition switch and the rear window defogger switch signals.
Driver's Ignition switch (IG1)
MICU
B-CAN Rear window defogger switch
Rear Window Defogger Timer Operation (With HVAC Control)
The driver's MICU controls the rear window defogger timer based upon the ignition switch and the rear window defogger switch signals.
Driver's Rear window defogger switch
MICU Ignition switch (IG1)
B-CAN
Input
MICU (Under 10 V) message
Input
Interior lights
Ignition key light
Input
Door lock actuators (UNLOCK)
Door lock actuators (UNLOCK)
Input
Key interlock solenoid
Input
Rear window defogger relay
MICU (rear window defogger) message
Input
Rear window defogger relay
MICU (Rear window defogger) message
Output
Output
Output
Output
Output
Output
(cont'd)
22-107