8-107
ELECTRICAL COMPONENTS
c. Measure the radiator fan motor movement.
EAS30578
CHECKING THE COOLANT TEMPERATURE
SENSOR
1. Remove:
• Coolant temperature sensor
Refer to “THERMOSTAT” on page 6-9.
EWA14130
• Handle the coolant temperature sensor
with special care.
• Never subject the coolant temperature sen-
sor to strong shocks. If the coolant tem-
perature sensor is dropped, replace it.
2. Check:
• Coolant temperature sensor resistance
Out of specification Replace.
a. Connect the digital circuit tester () to the
coolant temperature sensor terminals as
shown.
b. Immerse the coolant temperature sensor
“1” in a container filled with coolant “2”.
Make sure the coolant temperature sensor
terminals do not get wet.
c. Place a thermometer “3” in the coolant.
d. Heat the coolant or let it cool down to the
specified temperature.
e. Measure the coolant temperature sensor
resistance.
3. Install:
• Coolant temperature sensor
EAS30581
CHECKING THE THROTTLE POSITION
SENSOR
1. Remove:
• Throttle position sensor
(from the throttle bodies)
WARNING
EWA16690
• Handle the throttle position sensor with
special care.
• Never subject the throttle position sensor
to strong shocks. If the throttle position
sensor is dropped, replace it.
2. Check:
• Throttle position sensor maximum resistance
Out of specification Replace the throttle
position sensor.
a. Connect the digital circuit tester () to the
throttle position sensor terminals as shown.
• Positive battery terminal
Blue “1”
• Negative battery terminal
Black “2”
Coolant temperature sensor
resistance
2513–2777 at 20 C
(2513–2777 at 68 F)
Coolant temperature sensor
resistance
210–221 at 100 C
(210–221 at 212 F)
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with
tachometer
YU-A1927
Coolant temperature sensor
15 N·m (1.5 kgf·m, 11 lb·ft)
Resistance
1.26–2.34 k
To Next Page
Loading...
Need help?
General
