Yamaha YZF-R6T Supplementary Service Manual page 460

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. 44
Used diagnostic No. 60 (EEP-ROM improper cylinder indication)
Inspection operation item and probable
cause
Malfunction in ECU
Fault code No. 46
Used diagnostic code No. – –
Inspection operation item and probable
cause
Faulty battery
Open or short circuit in wiring hanress.
Connected condition of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
Fault code No. 50
Used diagnostic code No. – –
Inspection operation item and probable
cause
Malfunction in ECU
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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
* Check the faulty cylinder. (If there are multiple
cylinders, the number of the faulty cylinders
appear alternately at 2-second intervals.)
* Readjust the CO of the displayed cylinder.
Refer to "ADJUSTING THE EXHAUST GAS
VALUME" in chapter 3.
Replace ECU if defective.
Symptom Power supply to the FI system relay is not normal.
Operation item and countermeasure
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
If there is a malfunction, repair it and connect it
securely.
ECU coupler.
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.
7-24
FI
Reinstatement
method
Reinstated by
turning the main
switch ON.
Reinstatement
method
Reinstated by
starting the engine
and operating it at
idle.
Reinstatement
method
Reinstated by
turning the main
switch ON.