MFTS failure,measurements,fix

[Konstantin Bogach]

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I got overheat warning on while the car is ice cold, cold  or just not
hot enough (it will be probably another post).  Temp gauge works
correctly.
3 contact MSFT was the cause.

Measurements on cold car(between ground and contact):
1/T ~ 2.7  KOhm
2/R ~ 60  Ohm
4/C ~ 600 Ohm

No grounds!  But it triggers Autocheck overheat warning.

Fix:  tap several times with the but of  3/8 extention (never tried othe
tools,  use them on your own risk :-)

Measurements immediately after the fix:
1/T - who cares
2/R ~ 500 KOhm
4/C ~ 500 KOhm

No warning now.

Regard,
Konstantin Bogach.


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Konstantin Bogach

Princeton Junction, NJ
(609) 750-5158


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