DVH-P5900MP/XN/EW5
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C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Starts communication with Grille microcomputer.
Vcc = 5 V
BSENS
ASENS
ASENBO
←
H
38 pin
SWVDD
←
L
SYSPW
←
H
46 pin
ASENS = L (ACC ON)
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.
300 ms
300 ms
14, 60 pin
17 pin
18 pin
Power ON
BSENS = L (B.UP ON)
DSENS
DSENS = L (ACC ON)
16 pin
Completes power-on operation.
(After that, proceed to each source operation.)
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