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5
5. DIAGNOSIS
QQ
3 7 63 1515 0
5.1 OPERATIONAL FLOWCHART
TE
L 13942296513
www
.
Completes power-on operation.
(After that, proceed to each source operation)
5
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6
Power ON
VDD = 5 V
Pin 8
BSENS
Pin 36
BSENS = L
ASENS
Pin 35
ASENS = L
DSENS
Pin 34
DSENS = L
Starts
communication
with Grille
microcomputer.
SWVDD <- H
Pin 1
Source keys
operative
Source ON
SYSPW <- H
Pin 15
x
ao
u163
y
i
6
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7
2 9
8
Q Q
3
6 7
1 3
1 5
300 m
300 m
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.
co
.
DEH-1300MP/XNUC
7
8
9 4
2 8
0 5
8
2 9
9 4
2 8
m
8
9 9
A
B
C
9 9
D
E
F
19
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