Yamaha XJR1300 2007 Service Manual page 335

Fault code No. 42
Diagnostic code No.
Order Item/components and probable cause
B-1 Installed condition of neutral switch
B-2 Connections.
Neutral switch coupler
G
Wire harness ECU coupler
G
Sub-wire harness coupler
G
B-3 Open or short circuit in wire harness
and/or sub-wire harness.
B-4 Defective neutral switch.
B-5 Defective shift drum (neutral position)
A. No normal signals are received from the speed sensor.
Symptom
B. Open or short circuit is detected in the neutral switch.
A 07 Speed sensor
B 21 Neutral switch
FUEL INJECTION SYSTEM
Check or maintenance job
Check for looseness or pinch-
G
ing.
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 relay unit coupler and
G
ECU coupler.
(Black/Yellow–Black /Yellow)
Between neutral switch and
G
relay unit coupler
(Sky blue–Sky blue)
Execute the diagnostic mode.
G
(Code No.21)
Replace if defective.
G
Refer to "CHECKING
SWITCHES" on page 7-81.
Replace if defective.
G
Refer to "TRANSMISSION" on
page 5-77.
7-58
Reinstatement
method
Starting the
engine, and
inputting the
vehicle speed
signals by oper-
ating the vehi-
cle at a 20 to 30
km/h.
THE