Yamaha YZF-R1 2012, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-105
Fault code No. Er-4
Symptom No registration data can be received from the meter unit.
Fail-safe action
Engine startup: Possible
Riding: Possible
Diagnostic monitor-
ing code No.
—
Meter display —
Checking method —
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Connection of meter coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking). Poor connection
→
Connect
it securely, or repair/replace
the wire harness.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated.
→
Recovered.
Fault code indicated.
→
Check the next step.
2 Connection of main harness
ECU coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking). Poor connection
→
Connect
it securely, or repair/replace
the wire harness.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated.
→
Recovered.
Fault code indicated.
→
Check the next step.
3 Continuity of wire harness Open or short circuit
→
Con-
nect it securely, or repair/
replace the wire harness.
Yellow/Blue–Yellow/Blue
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated.
→
Recovered.
Fault code indicated.
→
Check the next step.
4 Abnormal meter unit opera-
tion Replace the meter unit. Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated.
→
Recovered.
Fault code indicated.
→
Check the next step.
5 ECU malfunction Replace the ECU.