DEX-P99RS/UC
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc = 3.3 V
Pin 23
BSENS
Pin 104
ASENS
Pin 103
DSENS
Pin 137
ASENBO <- H
Pin 68
BSENS = L
0.85 V < DSENS < 2.45 V
Starts
communication
with Grille
microcomputer.
SWVDD <- H
Pin 53
Pin 99
Completes power-on operation.
(After that, proceed to each source operation)
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 500 msec, the oscillator
may be defective.
Power ON
ASENS = L
500 mS
300 mS
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