HRC NSF250R 2012, Owner'S Manual & Parts List

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6-6
Electrical Servicing
(1) INTERFACE UNIT ASSEMBLY
(2) RED WIRE EYELET (3) GREEN WIRE EYELET
(4) USB CONNECTOR (5) 4P (RED) CONNECTOR
PGM-FI
Self-diagnostic Procedure
Turn the engine stop switch OFF.
Connect the interface unit 4P (Red) connector to the
service check 4P (Red) connector.
Tool:
Serial-USB interface unit assembly 38880-N1C-770
Connect the fully charged 12 V battery to the warn-
ing unit terminals (red wire eyelet to the battery pos-
itive terminal and green wire eyelet to the negative
terminal).
(1) POWER SWITCH
(2) MIL
(3) WARNING/RESET SWITCH
Turn the serial-USB interface unit warning/reset
switch to the warning side as shown.
Turn the power switch ON, check that the MIL.
If the ECM has no self diagnosis memory data, the
MIL will illuminate, when you turn the power switch
ON.
If the ECM has self diagnosis memory data, the MIL
will start blinking when you turn the power switch
ON.
Note how many times the MIL blinks, and determine
the cause of the problem (See next page).
(1) POWER SWITCH
(2) MIL
(3) WARNING/RESET SWITCH
Self-diagnosis Reset Procedure
Connect the serial-USB interface unit assembly to
the wire harness and 12 V battery same procedure
as Self-diagnosis (see previous step).
Before turn ON the power switch, turn the
warning/reset switch to the warning side.
Turn the power switch ON, then turn the
warning/reset switch to reset side.
The MIL lights about 5 seconds.
While the MIL lights, turn the warning/reset switch
to the warning side.
Self-diagnosis memory data is erased, if the MIL
turns off and start blinking.
• The warning/reset switch must be switched to
warning side while the indicator lights. If not, the
MIL will not start blinking.
• Note that the self-diagnosis memory data cannot
be erased if you disconnect the battery from the
serial-USB interface unit assembly before the MIL
starts blinking.
(1)
(2)
(3)
(1)
(2)
(3)
(1)
(2)
(3)
(4)
(5)