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ELEC
TPS (THROTTLE POSITION SENSOR) SYSTEM
HANDLING NOTE
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.
1
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.
2. Loosen:
• Throttle stop screw 1
N
OTE:
Turn out the throttle stop screw until the throt-
tle shaft is in the full close position.
Tester (+) lead
→
Blue lead
1
Tester (–) lead
→
Black lead
2
TPS coil
resistance
Tester selector
position
4 ~ 6 kΩ at
20 °C (68 °F)
kΩ × 1