Yamaha FJR1300A(D), Service Manual

Page: 525 / 662

FUEL INJECTION SYSTEM
8-76
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 46
Item Charging voltage is abnormal.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. —
Meter display —
Procedure —
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Malfunction in charging sys-
tem. Check the charging system.
Refer to “CHARGING SYS-
TEM” on page 8-13.
Defective rectifier/regulator
or AC magneto
→
Replace.
Defective connection in the
charging system circuit
→
Properly connect or replace
the wire harness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Repeat the mainte-
nance job.
Fault code No. 50
Item
Faulty ECU memory. (When this malfunction is detected in the
ECU, the fault code number might not appear on the multi-
function meter right display.)
Fail-safe system
Able/Unable to start engine
Able/Unable to drive vehicle
Diagnostic code No. —
Meter display —
Procedure —
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
TIP
Do not perform this proce-
dure with the main switch
turned to “ON”.
Turn the main switch to “ON”.
Check that the fault code
number is not displayed.
Fault code No. 44
Item
EEPROM fault code number: an error is detected while reading
or writing on EEPROM.