C51" Cvt Motor Circuit Malfunction - Suzuki AN650 2002 Service Manual

"C51" CVT MOTOR CIRCUIT MALFUNCTION

DETECTED CONDITION
CVT motor operating voltage is not supplied from
CVT control unit.
INSPECTION
• Remove the foot board. (
• Place the motorcycle on the center stand and put the side
stand in.
1
Turn the ignition switch OFF.
Check the CVT motor coupler
contacts.
If OK, then measure the CVT motor operating voltage.
Insert the copper wires to the coupler
Remove the center stand switch
Start the engine and shift to Automatic mode.
Check that there is a change of motor operating voltage
as the engine speed is raised.
z
09900-25008: Multi circuit tester
u
Tester knob indication: Voltage (
OK
2
Disconnect the CVT motor coupler.
Check the continuity between Red wire – ground and
B wire – ground.
;
CVT motor continuity: ∞ Ω (Infinity)
If OK, then measure the CVT motor resistance at the
coupler.
;
CVT motor resistance: Less than 0.8 Ω
z
09900-25008: Multi circuit tester
t
Tester knob indication: Resistance (Ω)
OK
Next page
:
9-18)
for loose or poor
.
.
-
)
NG
Loose or poor contacts on
the CVT contol unit coupler.
Replace the CVT control
unit with a new one.
Red wire – Ground
(
Brack wire – Ground
NG
Replace the CVT motor.
POSSIBLE CAUSE
• CVT motor circuit open or short.
• CVT motor malfunction.
• CVT control unit malfunction.
1
1
)
2
FI SYSTEM/ CVT SYSTEM 6-45
1
Ω