Information - Honda NSS250S Manual

Honda S Matic System (NSS250A)
Honda S Matic System
TROUBLESHOOTING INFORMATION
Refer to Fuel System for "General Troubleshooting"
information (page 6-14).
SYSTEM DESCRIPTION
SELF-DIAGNOSIS SYSTEM
The PCM controls the PGM-FI and Honda S Matic
Systems. Therefore some detection items are
shared by PGM-FI and Honda S Matic System and
they may affect the operation of both systems.
The Honda S Matic System is equipped with the
self-diagnostic system. When any abnormality
occurs in the system, the PCM turns on the meter
display "F" and stores a DTC in its erasable memory.
To reset the Honda S Matic System, turn the igni-
tion switch from ON to OFF and back to ON again.
However, if the PCM still detects a problem, it will
continue to step the Honda S Matic System func-
tion. When this occurs, the gear position indicator
will blink a certain number of times to indicate the
DTC.
To indicate the DTC, the gear position indicator "F"
blinks depending on the kind of trouble.
DTC (Diagnostic Trouble Code)
Refer to Fuel System section for DTC information
(page 6-14).
INDICATOR BLINKING PATTERN
• The number of indicator blinks is the equivalent
to main code of the DTC (the sub code cannot be
displayed by the indicator blinking).
• The indicator has two types of blinks, a long blink
and short blink. The long blinking lasts for 1.3
seconds, the short blinking lasts for 0.3 seconds.
One long blink is the equivalent of ten short
blinks. For example, when one long blinks are
followed by one short blinks, the DTC is 11 (one
long blinks = 10 blinks, plus one short blink).
• When the PCM stores more than one DTC, the
indicator displays in the order from the lowest
number to highest number.
CURRENT DTC/STORED DTC
The DTC is indicated in two ways according to the
failure status.
• In the case that the PCM detects a problem at
present, the gear position indicator will show "F"
and will start to blink the gear position indicator
when the sidestand is lowered.
• In the case that the PCM does not detect any
problem at present but has a problem stored in
its memory, the indicator will not show "F" and
blink. If it is necessary to retrieve the past prob-
lem code, readout the stored DTC by following
the DTC readout procedure.
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METER DISPLAY
(GEAR POSITION INDICATOR)
0.5 sec. OFF
ON
OFF
1.3 sec. ON
0.3 sec. ON