DEH-1100MP/XN/UC
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
VDD = 5 V
Pin 8
BSENS
Pin 36
ASENS
Pin 35
BSENS = L
Starts
communication
with Grille
microcomputer.
SWVDD <- H
Pin 1
Source keys
operative
Source ON
SYSPW <- H
Pin 15
300 ms
300 ms
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 300 msec, the oscillator
may be defective.
Power ON
ASENS = L
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