
Car audio and car goods internet store Winauto
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
A
Power ON
Battery = 12 V
if Acc on
Acc = 12 V
B
Vcc = 5 V
if Press power on key
DVD Power = 5 V
C
TFT Power
On and TFT
Init
D
Starts communication with Grille microcomputer.
Source keys operative
E
Source ON
Entery select mode operative
Completes 
F(After that, proceed to each source operation)
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