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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Knock sensor signal

Old Apr 6, 2014 | 02:30 PM
  #1  
hypermax's Avatar
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Knock sensor signal

http://s1144.photobucket.com/user/hy...tml?sort=3&o=1

the first pic is me testing continuity on the pins and only the one pin comes up with 0 the other one i get nothing no power or ground just dead

http://s1144.photobucket.com/user/hy...tml?sort=3&o=2

the second pic is the wire from the plug and the color is grey, and for the life of me i cant find that wire on the ecm plugs. does the wire go to a junction or turn into a diff color that would go to the ecm plug? im thinking of running a test wire from the plug once i find out the pin for the knock sensor signal wire and would i just splice it into the gray wire on the plug?
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Old Apr 6, 2014 | 04:01 PM
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From: Show Low, AZ
http://personal.utulsa.edu/~nathan-b...ne/44engin.pdf
dont forget the knock wire is a insulated wire like a tv coax cable. do a search for knock sensor rewire on google
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Old Apr 9, 2014 | 02:23 PM
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checked the wires and they are all good im guessing the ecu is fried, is their a way to fix the pin in the ecu my self or is it time to look for antoher ecu
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