6 - 23
FI
Fault code No.
43
Symptom The ECU is unable to monitor the battery voltage (an
open or short circuit in the line to the ECU).
Diagnostic code No. D09
Fuel system voltage
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Relay unit coupler (fuel pump
relay)
• Main wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Starting the
engine and
operating it at
idle.
2
Open or short circuit in the wire
harness.
• Repair or replace if there is an
open or short circuit.
• Between relay unit coupler and
ECU coupler.
(blue/red–blue/red)
(red/blue–red/blue)
• Between relay unit coupler and
battery terminal.
(brown/green–red)
• Between relay unit coupler and
handlebar switch coupler.
(red/black–red/black)
3
Malfunction or open circuit in fuel
pump relay.
• Execute the diagnostic mode.
(Code No.D09)
• Replace if defective.
• If there is no malfunction with the
relay unit, replace the ECU.
Fault code No.
44
Symptom Error is detected while reading or writing on EEPROM
(CO adjustment value).
Diagnostic code No. D60
EEPROM improper cylinder indication
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Malfunction in ECU.
• Execute the diagnostic mode.
(Code No.D60)
1. Check the faulty cylinder.
• Replace ECU if defective.
Turning the
main switch to
“ON”.
Summary of Contents for YFM700RV 2009
Page 1: ...YFM700RV SERVICE MANUAL 1S3 28197 E0 ...
Page 34: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence 1 3 2 4 5 7 8 6 ...
Page 52: ...2 29 SPEC OIL FLOW DIAGRAMS 1 Oil delivery pipe 2 Oil filter 3 Oil pump 2 3 A A A A 2 1 ...
Page 55: ...2 32 SPEC OIL FLOW DIAGRAMS 1 Balancer 1 2 Crankshaft 2 1 ...
Page 408: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...
