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#1
06-09-2004, 06:35 PM
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Coolant temp sensor measurement
Hi All,
If I measure the RESISTANCE between the two pins on the Coolant Temp Sensor (2-pin type), would this be a viable test? I have the CD for the values T vs R, as well as instructions on measuring it via pin 7 or 21 of the N3 (KE Ctrlr), but am wondering why didn't they just instruct measurement from the pins on the sensor itself... This is a thermistor type of switch/sensor right? thanks,
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sjsfiji '87 W124 260E (DD) 98K orig. mi. @7/15 CLK 7-Spoke Forged Wheels  Neuspeed springs/Bilstein Sport 4/3 bump (F/R) '97 993 Carrera 106K orig. mi. Always driven like it's stolen 
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#2
06-10-2004, 08:34 AM
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No, that isn't a good test. Measure each pin to ground. They should be with-in 5% of each other.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
06-10-2004, 01:21 PM
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test
Should I test it by testing 1 pin while the other is connected? I'm assuming the car should be running @ temp right?
If I follow the CD, do I need the harness for the KE CONTROLLER or having it off is feasible? thanks,
__________________
sjsfiji '87 W124 260E (DD) 98K orig. mi. @7/15 CLK 7-Spoke Forged Wheels Neuspeed springs/Bilstein Sport 4/3 bump (F/R) '97 993 Carrera 106K orig. mi. Always driven like it's stolen
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Linear Mode
