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THROTTLE CONTROL SYSTEM
ENGINE DOES NOT START, ENGINE STARTS BUT STALLS, ENGINE SPEED
DOES NOT INCREASE, OR ENGINE SPEED IS UNEVEN.
Check AC output.
GOOD
Rotate the shaft of the throttle control motor to check
if it turns smoothly with slight resistance.
GOOD
Measure the coil resistance between 3-1, 3-2, 3-4,
and 3-5 of the throttle control motor.
(Tester range: Ω × 100)
Coil resistance:
250 Ω ± 7% at 25 °C (77 °F)
GOOD
Check the connections of the wire harness connec-
tors and couplers, and the wires for an open circuit or
short circuit.
GOOD
Replace the control unit.(slave side)
THROTTLE CONTROL SYSTEM
TROUBLE SHOOTING
NOT GOOD
NOT GOOD
OUT OF SPECIFICATION
NOT GOOD
Refer to "GENERATOR SYSTEM" (page
17).
Replace the throttle control motor.
Replace the throttle control motor.
Correct or replace.
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TRBL
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