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Toyota
Corolla
Engine Cooling
Cooling Fan
Stays On
1989 Toyota Corolla Cooling fan is on constantly
DEVO357
MEMBER
1989 TOYOTA COROLLA
4 CYL
FWD
AUTOMATIC
197,000 MILES
My cooling fan is on right from start up when cold and does not turn off? I also have a check engine light that popped up and I think its related.
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Friday, August 27th, 2010 AT 10:40 AM
9 Replies
BLUELIGHTNIN6
EXPERT
Coolant temp. Sensor most likely fault but will want to retrieve the trouble code(s) stored to make sure
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Friday, August 27th, 2010 AT 5:52 PM
RASMATAZ
EXPERT
Jumper Te-1 to E-1 in the check connector to flash the code/s
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Friday, August 27th, 2010 AT 5:57 PM
MMPRINCE4000
EXPERT
There is a small white round connector under dist. In coolant block, this is fan switch.
Either fan switch is bad or relay is stuck. Check connection to fan switch.
Check fan relay's and "engine main" relay.
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-1
Saturday, August 28th, 2010 AT 8:12 AM
DEVO357
MEMBER
If I forgot to mention this motor has a carburetor
Here are the code I pulled.
22
31
41
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Monday, August 30th, 2010 AT 11:23 AM
GEET
MEMBER
22 is for coolant temperature sensor
31 is for vacuum sensor
41 is for throttle position sensor
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Monday, August 30th, 2010 AT 11:41 AM
DEVO357
MEMBER
Hmm I dont see how 41 is TPS the motor has a carburetor.
So what do I need to do to get rid of these codes?
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Monday, August 30th, 2010 AT 2:25 PM
MMPRINCE4000
EXPERT
Disconnect the battery (-) for 5 minutes to erase codes, if they come back on, then further repair is necessary.
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Tuesday, August 31st, 2010 AT 8:22 AM
GEET
MEMBER
If they come back you have to change the sensor. Its weird you have carburetor and it stores code 41.
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Tuesday, August 31st, 2010 AT 12:43 PM
MMPRINCE4000
EXPERT
It is also possible the ECM is bad, or that some 89's had FI but used a common ECM with a different PROM.
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Wednesday, September 1st, 2010 AT 7:25 AM
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