subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Electrical Components|Page 1927 > < Electrical Components|Page 1925
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CHECK COOLANT TEMPERATURE SENSOR

With sensor removed from engine, place in water of varying temperatures and measure resistance across terminals.  Replace sensor if resistance readings
deviate markedly from these ranges:

Water Temp:

Resistance: 

20° C (68° F)

2-3K Ohms

50° C (122° F)

700-1000 Ohms

Electrical Components|Page 1927 > < Electrical Components|Page 1925