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Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
B-1
Locate the malfunction.
B-2
Connection of gear position
switch coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
B-3
Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
42
Speed sensor: no normal signals are received from the speed
A
sensor.
B
Gear position switch: open or short circuit is detected.
C
Clutch switch: open or short circuit is detected.
Able to start engine
Able to drive vehicle
21
Neutral
• "ON" (when the transmission is in neutral)
• "OFF" (when the transmission is in gear or the clutch lever released)
Operate the transmission and clutch lever.
Maintenance job
Execute the diagnostic mode.
(Code No. 07)
Rotate the rear wheel by hand
and check that the indicated val-
ue increases.
Execute the diagnostic mode.
(Code No. 21)
When the transmission is in
neutral: "ON"
When the transmission is in
gear with the clutch lever re-
leased: "OFF"
When the transmission is in
gear with the clutch lever
squeezed: "ON"
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
8-55
FUEL INJECTION SYSTEM
Confirmation of service com-
Value does not increase → Go
to item A-2 for the speed sen-
sor.
Incorrect indication → Go to
item B-2.
Incorrect indication → Go to
item C-2 for the clutch switch.
Execute the diagnostic mode.
(Code No. 21)
When the transmission is in
neutral: "ON"
When the transmission is in
gear with the clutch lever re-
leased: "OFF"
Correct indication → Go to item
B-9 and delete the fault code.
Incorrect indication → Go to
item B-3.
Execute the diagnostic mode.
(Code No. 21)
When the transmission is in
neutral: "ON"
When the transmission is in
gear with the clutch lever re-
leased: "OFF"
Correct indication → Go to item
B-9 and delete the fault code.
Incorrect indication → Go to
item B-4.
pletion
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Table of Contents
Troubleshooting
