6 - 44
FI
EAS00916
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
1. Check:
• throttle position sensor
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a. Disconnect the throttle position sensor cou-
pler from the throttle position sensor.
b. Remove the throttle position sensor from
the throttle body.
c. Connect the pocket tester (
Ω
×
1k) to the
terminals of the throttle position sensor.
d. Measure the maximum throttle position sen-
sor resistance.
Out of specification
→
Replace the throttle
position sensor.
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2. Adjust:
• throttle position sensor angle
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a. Connect the throttle position sensor coupler
to the throttle position sensor.
b. Connect the digital circuit tester to the throt-
tle position sensor coupler.
Positive tester probe
→
blue
1
Negative tester probe
→
black/blue
2
Maximum throttle position sensor
resistance
3.08 ~ 5.72 k
Ω
(blue-black/blue)
Positive digital circuit tester probe
→
yellow
1
Negative digital circuit tester probe
→
black/blue
2
Digital circuit tester
90890-03174
Model 88 Multimeter with tachom-
eter
YU-A1927
B
/
L
Y
L
1 2
THROTTLE BODY