Mercury 40 FourStroke User Manual

IGNITION
90-857046R1 NOVEMBER 2001 Page 2A-21
Engine Coolant Temperature (ECT) Sensor
1. Place the engine coolant temperature sensor in a container filled with water.
2. Place a thermometer in the water and slowly heat the water.
3. Measure the resistance when the specified temperature is reached. If the reading is out
of specification, replace the sensor.
a
0
15
30
45
60
75
90
105
120
135
150
165
180
195
210
225
240
255
270
02468101214161820222426283032
Resistance (k)
Test Water Temperature(

F)
Temperature Sensor

Mercury 40 FourStroke Specifications

General

Brand	Mercury
Model	40 FourStroke
Category	Outboard Motor
Language	English