Yamaha XT660X(S) Automobile User Manual


 
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FI
FUEL INJECTION SYSTEM
Fault code No. Er-1 Symptom No signals are received from the ECU.
Used diagnostic code No.
Order Item/components Check or maintenance job Restore method
1 Coupler connections
ECU coupler
Meter couplers
Check the couplers for any pins that may have
pulled out.
Check that the couplers are securely locked.
If there is a malfunction, repair it and connect it
securely.
Reinstated automati-
cally when it receives
a normal signal.
2 Malfunction in meter assembly Replace the meter assembly. Reinstated automati-
cally when it receives
a normal signal.
3 Malfunction in ECU Replace the ECU.
Fault code No. Er-2 Symptom No signals are received from the ECU within the specified duration.
Used diagnostic code No.
Order Item/components Check or maintenance job Restore method
1 Coupler connections
ECU coupler
Meter couplers
Check the couplers for any pins that may have
pulled out.
Check that the couplers are securely locked.
If there is a malfunction, repair it and connect it
securely.
Reinstated automati-
cally when it receives
a normal signal.
2 Malfunction in meter assembly Replace the meter assembly.
3 Malfunction in ECU Replace the ECU.
Fault code No. Er-3 Symptom Data from the ECU cannot be received correctly.
Used diagnostic code No.
Order Item/components Check or maintenance job Restore method
1 Coupler connections
ECU coupler
Meter couplers
Check the couplers for any pins that may have
pulled out.
Check that the couplers are securely locked.
If there is a malfunction, repair it and connect it
securely.
Reinstated automati-
cally when it receives
a normal signal.
2 Malfunction in meter assembly Replace the meter assembly.
3 Malfunction in ECU Replace the ECU.
Fault code No. Er-4 Symptom Non-registered data has been received from the meter.
Used diagnostic code No.
Order Item/components Check or maintenance job Restore method
1 Coupler connections
ECU coupler
Meter couplers
Check the couplers for any pins that may have
pulled out.
Check that the couplers are securely locked.
If there is a malfunction, repair it and connect it
securely.
Reinstated automati-
cally when it receives
a normal signal.
2 Malfunction in meter assembly Replace the meter assembly.
3 Malfunction in ECU Replace the ECU.