Question about Honda Civic
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first off most cars, old, have 2 or three coolant sensor;.
1 for the dash gauge (dedicate) usually 1 pin sensor.
2: a two pin sensor, this is called (back then) CTS, coolant temp sensor, (this is the main ECU sensor ,if bad , ecu goes to horrid limphome mode. the ecu sends 5vdc to it and uses current flow
(measured) to read water temps, (and scale injections!)
3: an optional, A/C overheat sensor.
the drawings are all at
alldata.com any time you want too look
Posted on Oct 17, 2013
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Posted on Jan 02, 2017
You might need a new ECT - engine coolant temperature sensor. If it's not reading the correct coolant temperature it's not going to tell the fan to turn on when it should.
Is the check engine light illuminated? I'd bet the ECT needs replacement.
Posted on Dec 17, 2008
Go to your local library and ask the Librarian to get you on-line to the Automotive Repair Reference Center, and then to the EBSCO database...you will find all of your wiring diagrams there.
Posted on Oct 07, 2009
SOURCE: 93 xj40 wont start has
Really silly questions now!
If it is an auto box! have you got in any gear other than Park??
Have you checked the immobiliser????
Crank angle sensor is ok?????
I've experienced problems with Jag's in the past! this sounds crazy but check that the coolant temp sender is not worn out and shorting on the bonnet liner! sounds crazy but this has hapened before! shorted out the entire ignition system!
Posted on Oct 29, 2009
Testimonial: "am trying to find out where the immobiliser is can you help please, auto box is in park, crank angle sensor is new,will check coolant sensor and advis"
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