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Needed: Scan or info from '88XT FSM
Posted 07 October 2003 - 09:00 PM
Hope someone can help! Thanks.
Posted 10 October 2003 - 04:30 PM
PAGE 10 Figure at top of page.
The TPS connector is called E5 which is a black ( 4 pin flat across connector. In the drawing it connects to the firewall side of the spider on the passenger side.
the plug is numbered pins 1,2,3,4 (there are fins to indicate top and bottom) [a fin ABOVE pin 1 and 4] [a wider fin BELOW most of pin 2 and 3]
1=R = red = Sensor signal
2=W=white = Power (sensor)
3=B=Black = ground
4=LW=blue w/ white stripe = power (idle switch)
the E5 wires go into the E8/F60 connector this is the 15 pin connection plug NOT THE 16 pin plug. (E8 is the engine side of the connection)[F60 is the firewall side of the connection]
by disconnectiong the E8/F60 connection; you can see on F60 that the #1 pin is in the upper left corner (standard left to right, top to bottom form)- #1 pin is the LW wire from the TPS(originally pin 4 as above).
that being said here is the rest of it
F60 #1 = #4 TPS
F60 #2 = #3 TPS
F60 #6 = #2 TPS
F60 #9 = #1 TPS (heads up this changes to G= GREEN along the way)
F60 ends at the "control unit." The MPFI box under the rear dash is this "control unit" there are 4 rectangular connectors.
Your concerned with T8 and T9.
T8 = 16 pins that clip into the MPFI box (2 ribs on top and 8 plugs per row)
T9 = 15 pins that clip into the MPFI box (2 ribs on top and 10 plugs per row)
F60 (G or R) #9 = #22 pin on T8 (2nd to upper right most pin)
F60 ( W ) #6 = #21 pin on T8 (upper right most pin)
F60 (BR or #2 = #16 pin on T9 (5th one in from bottom left)
F60 ( LW ) #1 = #25 pin on T8 (4th one in from top left)
Book 2 Sections 2 and 3
chapter 2-7 page 20
IF you can have access to a Volt/ohms meter then here is the other stuff
Resistance between pin 3 and 2 ON THE TPS = 6 -18 Kilo ohms
if outside range replace sensor.
Resistance between pin 3 and 1 ON TPS :
a.) 5.8 - 17.8 Kohms (throttle closed)
b.) 1.5 - 5.1 Kohms (throttle open)
Ensure Resistance changes smoothly between fully closed and fully open throttle positions. If resistance is outside spec's then replace it.
WOW. how about them apple eh Tex?
Posted 10 October 2003 - 04:41 PM
Posted 10 October 2003 - 07:38 PM
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