Yamaha MBK XMAX 2014, Service Manual

Page: 380 / 482

FUEL INJECTION SYSTEM
8-67
2 “01” is indicated in diagnostic
mode (Code No. D60). EEP-
ROM data error for adjust-
ment of CO concentration. Change the CO concentra-
tion, and rewrite in EE-
PROM.
Refer to “ADJUSTING THE
EXHAUST GAS VOLUME”
on page 3-7.
After this adjustment is
made, the memory is not re-
covered when the main
switch is turned to “OFF”. Turn the main switch to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Repeat item 1. If
the same number is indicat-
ed, go to item 5.
3 “03” is indicated in diagnostic
mode (Code No. D60). EEP-
ROM data error for immobi-
lizer code. Turn the main switch to
“OFF”. Turn the main switch to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Repeat item 1. If
the same number is indicat-
ed, go to item 5.
4 “04” is indicated in diagnostic
mode (Code No. D60). EEP-
ROM data error for ISC (idle
speed control) unit learning
values. Turn the main switch to “ON”,
and then fully opens and
closes the throttle valve.
Turn the main switch to
“OFF”. Turn the main switch to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Repeat item 1. If
the same number is indicat-
ed, go to item 5.
5 Malfunction in ECU. Replace the ECU.
Fault code No. 46
Item Charging voltage is abnormal.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. —
FI diagnostic tool 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 8-15.
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. 44
Item
EEPROM fault code number: an error is detected while reading
or writing on EEPROM.