Self-Diagnostic Procedures; Self-Diagnosis Reset Procedure - HYOSUNG MS3 250 Sercie Manual

SELF-DIAGNOSTIC PROCEDURES

Don't disconnect couplers from ECU, battery cable
from battery, ECU ground wire harness from engine
or main fuse before confirming malfunction code
(self-diagnostic trouble code) stored in memory.
Such disconnection will erase memorized information
in ECU memory.
Malfunction code stored in ECU memory can be
checked by the special tool.
To check malfunction code, read SELF-DIAGNOSIS
FUNCTION "DEALER MODE" (Refer to page
4-10,11) carefully to have good understanding as to
what functions are available and how to use it.
Be sure to read "PRECAUTIONS for Electrical Circuit
Service" (Refer to page 4-1) before inspection and
observe what is written there.
● Lift and support the side cover with the side cover
stay. (Refer to page 2-2)
● Connect the special tool to the dealer mode
coupler at the wiring harness, and the ignition
switch is set to " " (ON) position.
● Turn the special tool's switch "ON" position and
check the malfunction code to determine the
malfunction part.
Mode select switch : 09900-27000
NOTE
The dealer mode coupler is located under the
seat.

SELF-DIAGNOSIS RESET PROCEDURE

● After repairing the trouble, turn the ignition switch
" " (OFF) position and turn "
again.
● If clock ①
is indicates, the malfunction codes are
cleared.
● Disconnect the special tool from the dealer mode
coupler.
" (ON) position
FI SYSTEM DIAGNOSIS 4-14
①
①