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http://www.skylinesaustralia.com/forums/in...2133&hl=Q45

The Nissan TPS uses two 3 wire connectors on it. One is on a short section of harness about 6 inches long and handles the actual throttle position signal and the other made to the body of the sensor is for the idle validation circuit which you also need or you get a code (51 I believe). With the sensor standing up, with the mounting tabs on the right side and the TPS wiring harness coming out of the bottom while your looking at it the top 2 pins in the connector made in the sensor body are your idle validation pins so disregard the bottom pin. Your TPS wiring harness that comes from the bottom of the sensor will terminate at a 3 prong plug and have red, white, and black wires in it. The wires colors correspond with these functions:

Red is the 5 volt input wire

White is the TPS signal wire

Black is the sensor return wire

With the connector lock up the white wire will be in the center, the red wire should be on the left, and the black wire should be on the right. When adjusting this sensor I found the best TPS voltage was around .385 on the sensor check but this car vary from car to car. i used this on the SUPRA we built for AutObarn.

Q45-------------to -------------r33 series 2

white-------------------------->orange/black ----> signal

black ------------------------->white/blue-----> ground

white/black------------------->black/white------> 12volt power

Thats for a series 2 r33 afm as that what i have.

Its pretty easy to work out, just get ur multimeter, check for power and ground with ignition switched on and the other wire will be signal, i did mine that way, started first go. r33 s1 afm has two signal returns just connect them together, also normally if the loom hasnt been played around with the power wire is always seperate to the signal and ground wires which are isolated with a shield in the loom, make sure you use isolated loom aswell if you are extending as it could cause problems with the signal.

pauls site is good if you dont know the colours etc, thats all you should need really need

Edited by drf76

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