DEH-P400UB/XS/UC
17
5
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D
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A
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E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc = 5 V
Pin 16
Power ON
bsens
= L
DSENS = L
bsens
Pin 18
asens
Pin 75
asens
= L
DSENS
Pin 19
Completes power-on operation.(After that, proceed to each source operation.)
SYSPW
H
Pin 48
ASENBO
H
Pin 40
Starts communication with Grille microcomputer.
300 ms
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.
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