Yamaha MBK X-MAX 300 2017 Service Manual page 369

Fault code No.
Item
1 Malfunction in charging system. Check the charging system.
2 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. P0601
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Malfunction in ECU.
Fault code No. P062F
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
P0560
Charging voltage is abnormal.
Refer to "CHARGING SYSTEM"
on page 8-11.
Defective rectifier/regulator or
stator coil assembly → Replace.
Defective connection in the
charging system circuit → Prop-
erly connect or replace the wire
harness.
Confirm that the fault code has
a condition of "Recover" using
the Yamaha diagnostic tool, and
then delete the fault code.
P0601
Faulty ECU memory.
Unable to start engine
Unable to drive vehicle
—
—
—
Maintenance job
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-128.
P062F
EEPROM fault code number: an error is detected while reading or
writing on EEPROM.
Able to start engine
Able to drive vehicle
60
00
• No malfunctions detected (If the self-diagnosis fault code P062F is indi-
cated, the ECU is defective.)
01 (CO adjustment value)
11 (Data error for ISC (Idle Speed Control) learning values)
12 (O feedback learning value)
2
14 Tire diameter learning value
—
Maintenance job
8-64
FUEL INJECTION SYSTEM
Start the engine and let it idle for
approximately 5 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recover" → Go to
item 2 and finish the service.
Condition is "Malfunction" →
Repeat item 1.
Confirmation of service com-
Turn the main switch to "ON".
Check that the engine trouble
warning light does not come on.
Confirmation of service com-
pletion
pletion