AVH-P4000DVD/XN/UC
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vdd = 3.3 V
Pin 9
Power ON
BSENS
Pin 75
ASENS
Pin 74
SWVDD H
Pin 37
ACCPW H
Pin 7
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation)
Starts
communication
with Display
microcomputer.
Source ON or
Back Camera ON
500 ms
300 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 500/300 msec, the oscillator
may be defective.
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TEL 13942296513
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