Need help with IAT problem

LSvtec23 · 11-14-2009, 07:00 PM

i always get me cel after driving the car for like 5 mins or sometimes it wont even go on till im driving and i downshift.. 3 friends have checked it out and said its code 10 IAT.. i replaced the IAT 3 times.. still same problem.. i went to the ecu and checked the wire for to see if it has a short.. nothing.. its good. now my question is.. the red and yellow wire go to the ECU where does the other wire come from?.. ignition switch?.. because when i turn the ig on and off it gets like 4 volts.. not suree.. anyone help please.. also.. do you think it might have to do anything with my temp.. my civic for some reason never wants to go to the middle(the needle) always stays at 1/2 before the middle line on the temp gauge.. thanx in advance.. -chris

LSvtec23 · 11-14-2009, 07:02 PM

help please... ttt

Nuffice · 11-14-2009, 07:13 PM

When you remove the IAT sensor, does it look burnt? Sometimes people confuse the plugs and connect the incorrect plug to the IAT. It's a low voltage sensor and burns up when to much wattage it hitting.

LSvtec23 · 11-14-2009, 07:16 PM

ttt............

LSvtec23 · 11-14-2009, 07:23 PM

Quote:

Originally Posted by Nuffice

When you remove the IAT sensor, does it look burnt? Sometimes people confuse the plugs and connect the incorrect plug to the IAT. It's a low voltage sensor and burns up when to much wattage it hitting.

like 4 volts... max hmm i dunno wth.. the harnes i check its the correct one i checked the wire from the ecu to the conection at the IAT.. need help

Nuffice · 11-14-2009, 07:24 PM

Quote:

Originally Posted by LSvtec23

like 4 volts... max hmm i dunno wth.. the harnes i check its the correct one i checked the wire from the ecu to the conection at the IAT.. need help

remove the sensor and check it.

LSvtec23 · 11-14-2009, 07:29 PM

did.. has one side the red and yellow wire..negative.. and the other one gets 4 volts with the ignition switch on

LSvtec23 · 11-14-2009, 07:32 PM

help ttt

LSvtec23 · 11-14-2009, 07:33 PM

Quote:

Originally Posted by Nuffice

remove the sensor and check it.

ps i replaced the sensor already

Nuffice · 11-14-2009, 07:48 PM

Quote:

Originally Posted by LSvtec23

ps i replaced the sensor already

did you check the other sensor? How did it look? If it was burnt, then you know you have wiring issue.

11-14-2009, 07:00 PM	#1 (permalink)
LSvtec23 Senior Member Join Date: Jun 2008 Posts: 2,759 iTrader: (1)	Need help with IAT problem i always get me cel after driving the car for like 5 mins or sometimes it wont even go on till im driving and i downshift.. 3 friends have checked it out and said its code 10 IAT.. i replaced the IAT 3 times.. still same problem.. i went to the ecu and checked the wire for to see if it has a short.. nothing.. its good. now my question is.. the red and yellow wire go to the ECU where does the other wire come from?.. ignition switch?.. because when i turn the ig on and off it gets like 4 volts.. not suree.. anyone help please.. also.. do you think it might have to do anything with my temp.. my civic for some reason never wants to go to the middle(the needle) always stays at 1/2 before the middle line on the temp gauge.. thanx in advance.. -chris __________________

11-14-2009, 07:02 PM	#2 (permalink)
LSvtec23 Senior Member Join Date: Jun 2008 Posts: 2,759 iTrader: (1)	help please... ttt __________________

11-14-2009, 07:13 PM	#3 (permalink)
Nuffice Senior Member Join Date: Apr 2006 Location: nYc Posts: 1,730 iTrader: (3)	When you remove the IAT sensor, does it look burnt? Sometimes people confuse the plugs and connect the incorrect plug to the IAT. It's a low voltage sensor and burns up when to much wattage it hitting. __________________

11-14-2009, 07:16 PM	#4 (permalink)
LSvtec23 Senior Member Join Date: Jun 2008 Posts: 2,759 iTrader: (1)	ttt............ __________________

11-14-2009, 07:29 PM	#7 (permalink)
LSvtec23 Senior Member Join Date: Jun 2008 Posts: 2,759 iTrader: (1)	did.. has one side the red and yellow wire..negative.. and the other one gets 4 volts with the ignition switch on __________________

11-14-2009, 07:32 PM	#8 (permalink)
LSvtec23 Senior Member Join Date: Jun 2008 Posts: 2,759 iTrader: (1)	help ttt __________________

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