6-63
–
+
ELEC
Fault code No.
P1400
Symptoms
Open circuit in AIS or driver failure
Diagnostic code No.
48
Item
Item and components and
probable cause
Actions
Confirmation procedure after
actions
1
Connection of AIS 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).
Defective connections
Re-
connect or replace the harness.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 6 and finish the service.
Condition is Detected
Go to
item 2.
2
Connection of main harness
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).
Defective connections
Re-
connect or replace the harness.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 6 and finish the service.
Condition is Detected
Go to
item 3.
3
Harness continuity
Open or short circuit
Recon-
nect or replace the harness.
ECU - AIS
AIS - Main switch
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 6 and finish the service.
Condition is Detected
Go to
item 4.
4
AIS malfunction
Replace the AIS.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 6 and finish the service.
Condition is Detected
Go to
item 5.
5
AIS driver failure
Replace the ECU.
Refer to notes on ECU replace-
ment
Finish the service.
6
EG warning light, delete the
fault code.
Delete this fault code with the
status “Recovered” in the
Yamaha diagnostic tool.
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Страница 37: ...SPEC B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
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Страница 146: ...6 16 ELEC SIGNALING SYSTEM SIGNALING SYSTEM CIRCUIT DIAGRAM B9X F8197 E0 book Page 16 Thursday July 16 2020 2 28 PM ...
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Страница 238: ...TRBL SHTG B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
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