FI SYSTEM DIAGNOSIS 4-15
DEALER MODE
The defective function is memorized in the computer. Use the special tool’s coupler to connect to the dealer
mode coupler. ("4-20) The memorized malfunction code is displayed on LCD (DISPLAY) panel. Malfunc-
tion means that the ECM does not receive signal from the devices. These affected devices are indicated in
the code form.
! 09930-82720: Mode select switch
#
* Do not disconnect the ECM 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 ignition ON or cranking the engine for few seconds.
MALFUNCTION
LCD (DISPLAY)
INDICATION
FI LIGHT
INDICATION
INDICATION MODE
“NO” C00
“FI” letter turns OFF.
----
“YES”
C**code is indicated from
small numeral to large one.
For each 2 sec., code is
indicated.
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