Setting The Diagnostic Mode (Present And Past Malfunctions) - Yamaha Apex RX10PA 2011 Supplementary Service Manual

EPS (ELECTRIC POWER STEERING) SYSTEM
DIAGNOSTIC MODE
Setting the diagnostic mode (present and
past malfunctions)
1. Turn the main switch to "ON".
2. Disconnect the EPS self-diagnosis signal
connector .
TIP
Do not disconnect the EPS self-diagnosis sig-
nal connector before turning the main switch to
"ON".
3. Select the signaling mode by grounding the
EPS self-diagnosis signal connector (male
side) to the EPS control unit
necting it from the unit as follows.
a) Present malfunction signaling mode
Ground the EPS self-diagnosis signal
connector within 5 seconds after turning
the main switch to "ON", and leave it
grounded. The signaling mode is acti-
vated after 5 seconds.
b) Past malfunction signaling mode
While the present malfunction mode is
activated, briefly disconnect the EPS
self-diagnosis signal connector, ground
it again, and leave it grounded. The sig-
naling mode is activated after 5 sec-
onds.
4. Turn the main switch to "OFF" to cancel the
diagnostic mode.
TIP
• The diagnostic mode can also be canceled
by riding the snowmobile at speeds above 2
km/h.
• When the diagnostic mode is selected and
during the initial lighting of the EPS warning
display, the EPS control unit does not receive
input from the EPS self-diagnosis signal con-
nector.
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or discon-