Yamaha GRIZZLY 700 FI YFM7FGPW, Руководство по обслуживанию

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ELEC
EPS (ELECTRIC POWER STEERING) SYSTEM
Fault code
No. 41, 42,
43, 45 Symptom EPS motor: open or short circuit detected.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• EPS motor coupler • Check the coupler for any pins
that may have pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“OFF”.
2 Open or short circuit in EPS motor
lead. • Repair or replace if there is an
open or short circuit.
• Between EPS motor and EPS
control unit coupler.
(red–red)
(black–black)
3 Defective EPS motor. Replace if defective.
Refer to “CHECKING THE EPS
MOTOR”.
Fault code No. 52 Symptom Relay contacts in the EPS control unit are welded
together.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Malfunction in EPS control unit. Replace the EPS control unit. Turning the
main switch to
“OFF”.
Fault code No. 53 Symptom Power supply to the EPS control unit is not normal (low
battery voltage).
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Faulty battery. Replace or charge the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” in
chapter 3. Turning the
main switch to
“OFF”.
2 Malfunction in rectifier/regulator or
charging system. Replace if defective.
Refer to “CHARGING SYSTEM”.
3 Malfunction in EPS control unit. Replace the EPS control unit.