28-25
Engine Coolant Temperature
(ECT) sensor, checking
Notes:
To functionally check the Engine Coolant
Temperature (ECT) sensor Repair Group 01,
Read measuring value block, display group
001, display field 1.
Component locations page 28
-1 .
- Disconnect ECT sensor harness connector.
- Switch Fluke 83 multimeter to resistance range and measure between
ECT sensor terminals 1 (signal) and 3 (GND).
Specified values:
At approx. 20 C (68 F): approx. 2500 At approx. 80 C (176 F): approx. 330
Pa
ge 1 of 3 En
gine Coolant Tem
perature
(ECT
) sensor, checkin
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11/23/2002 htt
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