Yamaha WR45OFR service manual TPS Throttle Position Sensor System Elec +, TPS Coil Inspection

TPS (THROTTLE POSITION SENSOR) SYSTEM ELEC – +

HANDLING NOTE

1	CAUTION:
	Do not loosen the screws {TPS (throttle
	position sensor)} 1 except when changing
	the TPS (throttle position sensor) due to
	failure because it will cause a drop in
	engine performance.

EC624000

COUPLERS AND LEADS CONNECTION

INSPECTION

1.Check:

●Couplers and leads connection Rust/dust/looseness/short-circuit →

Repair or replace.

TPS COIL INSPECTION

1.Inspect:

●TPS coil resistance

Out of specification → Replace.

Tester (+) lead → Blue lead 1

Tester (–) lead → Black lead 2

TPS coil	Tester selector
resistance	position

4 ~ 6 kΩ at	kΩ ⋅ 1
20 ˚C (68 ˚F)

2.Loosen:

● Throttle stop screw 1

NOTE:

Turn out the throttle stop screw until the throt- tle shaft is in the full close position.

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