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1994 civic dx D15b7 ECT switch

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Old 05-20-2017, 05:49 AM
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Default 1994 civic dx D15b7 ECT switch
doing a post engine installation performing a coolant bleed and my coolant fan is not coming on. upper and lower hoses are hot. jumpered the ect switch connector and the fan comes on. ran the engine to 202 degrees no fan. Is there a check you can do on the ECT switch?
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Old 05-20-2017, 08:34 AM
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Default Re: 1994 civic dx D15b7 ECT switch
Name: USDM_92-95_civic-254.jpg Views: 1232 Size: 414.0 KB
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Old 05-20-2017, 10:36 AM
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Default Re: 1994 civic dx D15b7 ECT switch
Thanks Tomcat39 I will keep you posted.
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Old 05-20-2017, 03:16 PM
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Default Re: 1994 civic dx D15b7 ECT switch
The ECT sensor above is the sensor that sends signal to the ECU regarding coolant temp. I believe you tested the fan switch which test would be this

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Old 05-20-2017, 03:28 PM
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Default Re: 1994 civic dx D15b7 ECT switch
Here's how to do it with basic tools (sixth gen civic):

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