HYOSUNG AQUILA 250 FI, Service Manual, Page: 22 / 90

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FI SYSTEM DIAGNOSIS 4-1-12
CAUTION
� � Do not disconnect the ECU lead wire couplers, before checking the malfunction code, or the malfunction
code memory is erased and the malfunction code can not be checked.
� �
Confirm the malfunction code after turn the ignition switch “ON” position or cranking the engine for few
seconds.
Mode select switch : 09900-27000
�
�
◉ ◉
DEALER MODE
The defective function is memorized in the ECU.
Use the special tool’s coupler to connect to the dealer mode coupler. (Refer to page 4-1-17)
The memorized malfunction code is displayed on LCD (DISPLAY) panel.
Malfunction means that the ECU does not receive signal from the devices. These affected devices are indicated in
the code form.
MALFUNCTION
“NO”
“YES”
C**code is indicated from
small numeral to large one.
“FI” check lamp comes on
continually.
Speedometer “FI” check lamp goes off.
LCD (DISPLAY)
INDICATION
� �
INDICATION MODE
� �