how to test tps

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goosecockxj

NAXJA Forum User

Location

parker CO

• Dec 28, 2006

• #1

how to test tps help please

i read a post that said volts should be around 5 at wot and .6 at idle, which wires am i testing for voltage off of?? my tranny wont shift till redline, checked tv cable,

 

Last edited: Dec 28, 2006

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goosecockxj

NAXJA Forum User

Location

parker CO

• Dec 28, 2006

• #2

well i just tested all the wires independantly, the 4 wire setup, that is the one that deals with the tranny i heard. and 2 of the wires are at 11-12 volts idle or wot and the other two are at .8 idle or wot, so im guessing tps is bad right?

 

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brandon_750

NAXJA Forum User

Location

Yuba City, CA

• Dec 28, 2006

• #3

http://www.lunghd.com/On_Site_Tech.htm

Check out this site. Will give you low down on the proper way to test TPS. Hope it helps.

Brandon

 

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goosecockxj

NAXJA Forum User

Location

parker CO

• Dec 28, 2006

• #4

thanks

 

Ecomike

NAXJA# 2091

NAXJA Member

Location

MilkyWay Galaxy

• Dec 29, 2006

• #5

Where did you find or measure 11 to 12 volts?:shocked: Thats sounds like real bad news!

Pin A to B on the three wire ECU/TPS connection should read 5.0 volts with power (ignition switch on) on but engine off (not started or running). B to C should read 0.80 volts (but it can be adjusted, set if it is close like +/- 0.20 volts).

Mike McGinness
South Houston, TX

 

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lawsoncl

NAXJA Forum User

Location

North Idaho

• Dec 29, 2006

• #6

In the other thread he started on the same subject (hint, hint), he mentioned that it's a 94 so it doesn't have the dual output and is not adjustable. Someone also posted the very helpful link http://www.autozone.com/servlet/UiBroker?ForwardPage=/az/cds/en_us/0900823d/80/15/24/24/0900823d80152424.jsp