Troubleshooting Method - Yamaha XVS1300A 2007 Service Manual

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Communication error with the meter
Fault
code No.
ECU internal malfunc-
Er-1 tion
(output signal error)
ECU internal malfunc-
Er-2 tion
(output signal error)
ECU internal malfunc-
Er-3 tion
(output signal error)
ECU internal malfunc-
Er-4 tion
(input signal error)
EAS27400

TROUBLESHOOTING METHOD

The engine operation is not normal and the
engine trouble warning light comes on.
1. Check:
• Fault code number
M MMM M MMM M M MMM M
a. Check the fault code number displayed on
the meter.
b. Identify the faulty system with the fault code.
Refer to "Self-Diagnostic Function table".
c. Identify the probable cause of the malfunc-
tion. Refer to "Diagnostic code table".
L LLL L LLL L L LLL L
2. Check and repair the probable cause of the
malfunction.
Fault code No.
Check and repair.
Refer to "TROUBLE-
SHOOTING DE-
TAILS" on page 8-45.
Monitor the opera-
tion of the sensors
and actuators in the
diagnostic mode. Re-
fer to "Sensor opera-
tion table" and
"Actuator operation
table".
3. Perform the ECU reinstatement action.
Refer to "Reinstatement method" in the table
in "TROUBLESHOOTING DETAILS".
email: info@motomatrix.co.uk
Item
No signals are received from the
ECU.
No signals are received from the
ECU within the specified duration.
Data from the ECU cannot be re-
ceived correctly.
Non-registered data has been re-
ceived from the meter.
M MMM M M MMM M M MMM M MMM
L LLL L L LLL L L LLL L LLL
No fault code No.
Check and repair.
Refer to "Self-Diag-
nostic Function ta-
ble".
FUEL INJECTION SYSTEM
Symptom
4. Turn the main switch to "OFF" and back to
"ON", and then check that no fault code num-
ber is displayed.
NOTE:
If fault codes are displayed, repeat steps (1) to
(4) until no fault code number is displayed.
5. Erase the malfunction history in the diagnos-
tic mode. Refer to "Sensor operation table
(Diagnostic code No. 62)".
NOTE:
Turning the main switch to "OFF" will not erase
the malfunction history.
The engine operation is not normal, but the
engine trouble warning light does not come
on.
1. Check the operation of the following sensors
and actuators in the diagnostic mode. Refer
to "Sensor operation table" and "Actuator op-
eration table".
01: Throttle position sensor (throttle angle)
30: Front cylinder ignition coil
31: Rear cylinder ignition coil
36: Front cylinder injector
37: Rear cylinder injector
If a malfunction is detected in the sensors or
actuators, repair or replace all faulty parts.
If no malfunction is detected in the sensors
and actuators, check and repair the inner
parts of the engine.
8-38
Able / un-
Able / un-
able to
able to start
drive
Unable Unable
Unable Unable
Unable Unable
Unable Unable