Yamaha XJR1300 2007 Service Manual page 329

Fault code No. 28
Diagnostic code No.
Order Item/components and probable cause
When error code Nos. 28 and 37 are displayed simultaneously, first check
and repair No.28.
1 Connections.
Engine temperature sensor coupler
G
Wire harness ECU coupler
G
Sub-wire harness coupler
G
2 Open or short circuit in wire harness
and/or sub-wire harness.
3 Defective engine temperature sensor.
Fault code No. 30
Diagnostic code No.
Order Item/components and probable cause
1 The vehicle has overturned.
2 Installed condition of lean angle sen-
sor.
3 Connections.
Lean angle sensor coupler
G
Wire harness ECU coupler
G
4 Defective lean angle sensor.
Symptom Engine temperature sensor-open or short circuit detected.
11 Engine temperature sensor
Symptom The vehicle has over turned.
08 Lean angle sensor
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
G
it and connect it securely.
Repair or replace if there is an
G
open or short circuit.
Between engine temperature
G
sensor coupler and ECU cou-
pler.
(Black–Black/Blue)
(Yellow–Green/White)
Execute the diagnostic mode.
G
(Code No.11)
Replace if defective.
G
Refer to "CHECKING THE EN-
GINE TEMPERATURE
SOR" on page 7-96.
Check or maintenance job
Raise the vehicle upright.
Check for looseness or pinching.
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
G
it and connect it securely.
Execute the diagnostic mode.
G
(Code No.08)
Replace if defective.
G
Refer to "CHECKING THE LEAN
ANGLE SENSOR" on page 7-94.
7-52
Reinstatement
method
Set the main
switch to "ON".
SEN-
Reinstatement
method
Set the main
switch ON
(However, the
engine cannot
be restarted
unless the main
switch is first
set to "OFF").