Yamaha YZFR6V User Manual

FUEL INJECTION SYSTEM
8-39
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”.
4. Turn the main switch to “OFF” and back to
“ON”, then check that no fault code number 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 following sensors and
actuators in the Diagnostic mode. Refer to
“Sensor operation table” and “Actuator oper-
ation table”.
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 inner parts of
the engine.
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.
Item Symptom
Able/un-
able to start
Able/un-
able to
drive
Fault code No. No fault code No.
Check and repair.
Refer to “TROUBLE-
SHOOTING DE-
TA I L S” on page 8-48.
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.
01: Throttle position sensor (for throttle
valves) signal 1 (throttle angle)
13: Throttle position sensor (for throttle
valves) signal 2 (throttle angle)
14: Throttle position sensor (for throttle cable
pulley) signal 1 (throttle angle)
15: Throttle position sensor (for throttle cable
pulley) signal 2 (throttle angle)
48: Air induction system solenoid

Yamaha YZFR6V Specifications

General

Brand	Yamaha
Model	YZFR6V
Category	Motorcycle
Language	English