Yamaha 2007 XP500 Service Manual page 369

Fault code No. 41
Diagnostic code No.
Order Item/components and probable cause
1 Connected state of connector
Lean angle sensor coupler
G
Main wire harness ECU (engine)
G
coupler
2 Open or short circuit in wire harness.
3 Defective lean angle sensor
Fault code No. 43
Diagnostic code No.
Order Item/components and probable cause
1 Connected state of connector
Fuel injection system relay coupler
G
Main wire harness ECU (engine)
G
coupler
2 Defective fuel injection system relay
3 Open or short circuit in the wire harness.
4 Malfunction or open circuit in fuel injection
system relay
Symptom Lean angle sensor-open or short circuit detected.
08 Lean angle sensor
Symptom The ECU (engine) is unable to monitor the battery voltage.
50 Fuel injection system relay
FUEL INJECTION SYSTEM
Check or maintenance job
Check the coupler for any pins
G
that may have pulled out.
Check the locking condition of
G
the coupler.
If there is a malfunction, repair it
G
and connect it securely.
Repair or replace if there is an
G
open or short circuit.
Between sensor coupler and
G
ECU coupler
(Black/Blue–Black/Blue)
(Yellow/Green–Yellow/Green)
(Blue–Blue)
Execute the diagnostic monitor-
G
ing mode. (Code No.08)
Replace if defective.
G
Check or maintenance job
Check the coupler for any pins
G
that may have pulled out.
Check the locking condition of
G
the coupler.
If there is a malfunction, repair it
G
and connect it securely.
Replace if defective.
Repair or replace if there is an
G
open or short circuit.
Between the fuse box coupler
G
and ECU coupler
(Red/Blue–Red/Blue)
Between the fuse box coupler
G
and battery terminal
(Red–Red)
Execute the diagnostic monitor-
G
ing mode. (Code No. 50)
Replace if defective.
G
If there is no malfunction with
G
the fuel injection system relay,
replace the ECU (engine).
8-54
Reinstatement
method
Reinstated imme-
diately when it
becomes normal.
Reinstatement
method
Starting the
engine and oper-
ating it at idle.