1
7.3 OPERATIONAL FLOW CHART
A
Power ON
VDD1=5V
Pin 68
B
BSENS
Pin 64
BSENS=L
ASENS
Pin 63
ASENS=L
C
DSENS
Pin 65
DSENS=L
swvdd L
D
Pin 21
Source keys
operative
Source ON
E
SYSPW H
Pin 43
Completes power-on operation.(After that, proceed to each source operation.)
F
58
1
2
Starts communication with Grille microcomputer.
300ms
300ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300msec, the oscillator
may be defective.
DEH-1630R/XU/EW
2
3
3
4
4