Yamaha GRIZZLY 700 FI YFM7FGPW, Руководство по обслуживанию

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FI
FUEL INJECTION SYSTEM
Fault code No. 46 Symptom Power supply is not normal.
Diagnostic code No. — —
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Main wire harness-ECU coupler • Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Starting the
engine and
operating it at
idle.
2 Faulty battery. • Replace or charge the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” in
chapter 3.
3 Malfunction in rectifier/regulator • Replace if defective.
Refer to “CHARGING SYSTEM”
in chapter 9.
4 Open or short circuit in wire har-
ness. • Repair or replace if there is an
open or short circuit.
• Between battery lead and main
switch coupler
(red–red)
• Between main switch coupler
and ignition fuse
(brown/blue–brown/blue)
• Between ignition fuse and ECU
coupler
(brown–brown)
Fault code No. 50 Symptom Faulty ECU memory. (When this malfunction is detected
in the ECU, the fault code number might not appear on
the meter.)
Diagnostic code No. — —
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Malfunction in ECU. Replace the ECU.
NOTE:
Do not perform this procedure with
the main switch turned to “ON”.
Turning the
main switch to
“ON”.