Yamaha XVS1300A 2007 Service Manual page 372

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. 43
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Relay unit coupler (fuel pump relay)
• Wire harness ECU coupler
2 Open or short circuit in the wire har-
ness.
3 Malfunction or open circuit in relay
unit (fuel pump relay).
Fault code No. 44
Diagnostic code No.
Order Item/components and probable
cause
1 Malfunction in ECU.
email: info@motomatrix.co.uk
Symptom The ECU is unable to monitor the battery voltage (an open
or short circuit in the line to the ECU).
09 Fuel system voltage
Check or maintenance job
Symptom Error is detected while reading or writing on EEPROM (CO
adjustment value).
60 EEPROM improper cylinder indication
Check or maintenance job
8-61
FUEL INJECTION SYSTEM
• 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 se-
curely.
• Repair or replace if there is an
open or short circuit.
• Between relay unit coupler (fuel
pump relay) and ECU coupler.
(blue/red–blue/red)
(red/blue–red/blue)
• Between relay unit coupler (fuel
pump relay) and starter relay
coupler.
(red–red)
• Between relay unit coupler (fuel
pump relay) and diode 2 cou-
pler.
(blue/white–blue/white)
• Between diode 2 coupler and
right handlebar switch coupler.
(black/red–black/red)
• Execute the diagnostic mode.
(Code No. 09)
• Replace if defective.
• If there is no malfunction with
the relay unit (fuel pump relay),
replace the ECU.
• Execute the diagnostic mode.
(Code No. 60)
1. Check the faulty cylinder. (If
multiple cylinders are defec-
tive, the numbers of the
faulty cylinders are displayed
alternately at 2-second inter-
vals.)
• Replace ECU if defective.
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.
Reinstatement
method
Turning the
main switch to
"ON".