Yamaha RX10RTL, Supplemental Service Manual

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FI
TROUBLESHOOTING DETAILS
This section describes the measures per fault code number displayed on the meter. Carry out check
and maintenance on items or components that could be a cause of malfunction in accordance with
the order.
When the check and maintenance of malfunctioned part is completed, restore the meter display
according to the “Restore method”.
Fault code No.:
Fault code number displayed on the meter when the engine failed to work normally. (Refer to
“Diagnostic fault code table”.)
Diagnostic code No.:
Code number to be used when the diagnostic monitoring mode is operated. (Refer to “DIAG-
NOSTIC MODE”.)
Fault code No. 11 Symptom No normal signals are received from the cylinder identification sensor.
Used diagnostic code No. – –
Order Inspection operation item and probable
cause
Operation item and countermeasure Reinstatement
method
1 Installed condition of sensor Check the installed area for looseness or pinching. Reinstated by
starting the
engine and
operating it at
idle.
2 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
If there is a malfunction, repair it and connect it
securely.
Cylinder identification sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
3 Open or short circuit in wiring harness
and/or sub lead. Repair or replace if there is an open or short circuit.
Between sensor coupler and ECU coupler
Blue – Blue
White/Black – White/Black
Black/Blue – Black/Blue
4 Defective cylinder identification sensor. Replace if defective.
1. Connect the pocket tester (DC 20 V) to the cylin-
der identification sensor coupler terminal as
shown.
2. Set the main switch to “ON”.
3. Measure the cylinder identification sensor output
voltage.
4. Is the cylinder identification sensor OK?
Tester positive probe
→
white/black
Tester negative probe
→
black/blue
Cylinder identification sensor
output voltage
When sensor is on
4.8 V or more
When sensor is off
0.8 V or less
FUEL INJECTION SYSTEM
71