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1
7.3 OPERATIONAL FLOW CHART
QQ
3 7 63 1515 0
A
Power ON
VCC = 5 V
Pin 16, 62
bsens
Pin 19
B
asens
Pin 20
dsens
Pin 18
C
ASENBO←H
Pin 40
TE
L 13942296513
Starts
communication
with Grille
microcomputer.
SWVDD←H
D
Pin 7
Source keys
operative
Source ON
E
SYSPW←H
Pin 48
Completes power-on operation.
www
(After that, proceed to each source operation)
F
66
1
http://www.xiaoyu163.com
2
bsens = L (B.UP ON)
asens = L (ACC ON)
dsens = L (DETACH ON)
300 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300 msec, the oscillator
may be defective.
x
ao
.
i
DEH-P5900MP/XU/EW5
2
http://www.xiaoyu163.com
3
Q Q
3
6 7
300 ms
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y
3
4
2 9
9 4
8
1 3
1 5
0 5
8
2 9
m
co
.
4
2 8
9 9
9 4
2 8
9 9
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