Yamaha FZ6-SS 2004 Service Manual page 363

Fault code No. 44
Used diagnostic No. 60 (EEP-ROM improper cylinder indication)
Order Inspection operation item and probable
cause
1 Malfunction in ECU
Fault code No. 46
Used diagnostic code No. – –
Order Inspection operation item and probable
cause
1 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
2 Faulty battery
3 Open or short circuit in wiring harness.
Fault code No. 50
Used diagnostic code No. – –
Order Inspection operation item and probable
cause
1 Malfunction in ECU
FUEL INJECTION SYSTEM
Symptom Error is detected while reading or writing on EEP-ROM
(CO adjustment value).
Operation item and countermeasure
Execute diagnostic code 60
1.Check the faulty cylinder. (If there are multiple
cylinders, the number of the faulty cylinders ap-
pear alternately at 2-second intervals.)
2.Readjust the CO of the displayed cylinder.
Refer to "ADJUSTING THE EXHAUST GAS
VOLUME" in chapter 3.
Replace ECU if defective.
Symptom Power supply to the FI system relay is not normal.
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
ECU coupler.
Replace or change the battery
Refer to "CHECKING AND CHARGING THE BAT-
TERY" in chapter 3.
Repair or replace if there is an open or short cir-
cuit.
S Between battery and main switch
red – red
S Between main switch and fuse (ignition)
brown/blue – brown/blue
S Between fuse (ignition) and ECU
red/white – red/white
Symptom Faulty ECU memory. (When this malfunction is detected in the ECU, the fault
code number might not appear on the meter.)
Operation item and countermeasure
Replace the ECU.
7-22
FI
Reinstatement
method
Reinstated by
turning the
main switch
ON.
Reinstatement
method
Reinstated by
starting the en-
gine and oper-
ating it at idle.
Reinstatement
method
Reinstated by
turning the
main switch
ON.