Yamaha FJR13AY 2009, Service Manual

Page: 551 / 744

FUEL INJECTION SYSTEM
8-68
Communication error with the meter
EAS27400
TROUBLESHOOTING METHOD
The engine operation is not normal and the
engine trouble warning light comes on.
1. Check:
• Fault code number
▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼
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 “Fault code table”.
▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲▲▲
2. Check and repair the probable cause of mal-
function.
3. Perform fuel injection system reinstatement
action.
Refer to “Reinstatement method” of table in
“TROUBLESHOOTING DETAILS”.
50
ECU internal malfunc-
tion
Faulty ECU memory. (When this
malfunction is detected in the
ECU, the fault code number might
not appear on the meter.)
Unable Unable
70 Engine idling stop
Engine has been left idling. (The
ECU automatically stops the en-
gine after 20 minutes if it is left
idling.)
Able Able
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive
Er-1
ECU internal malfunc-
tion
(output signal error)
No signals are received from the
ECU.
Unable Unable
Er-2
ECU internal malfunc-
tion
(output signal error)
No signals are received from the
ECU within the specified duration.
Unable Unable
Er-3
ECU internal malfunc-
tion
(output signal error)
Data from the ECU cannot be re-
ceived correctly.
Unable Unable
Er-4
ECU internal malfunc-
tion
(input signal error)
Non-registered data has been re-
ceived from the meter.
Unable Unable
Fault code No. No fault code No.
Check and repair.
Refer to “TROUBLE-
SHOOTING DE-
TAILS” on page 8-76.
Monitor the opera-
tion of the sensors
and actuators in the
diagnostic mode. Re-
fer to “Sensor opera-
tion table” and
“Actuator operation
table”. Check and repair.