DEH-33HD/XSUC
16
1
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D
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A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc = 1.2 V
Pin 5
PVcc = 3.3 V
Pin 1
BSENS
Pin 141
ASENS
Pin 143
DSENS
Pin 140
BSENS = L
DSENS = L
Starts
communication
with Grille
microcomputer.
SYSPW <- H
Pin 7
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.
Completes power-on operation.
(After that, proceed to each source operation)
Power ON
ASENS = L
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