2.5L Ford Fusion Thottle Body

First check is does the plate open fully with KOEO and pedal on floor.
If it does, look at the data for TP1 and TP2. TP1 should be 3.7v to 4.7v and TP2 should be .3v to 1.9v pedal released. Pedal floored TP1 should be .7v to 2.9v TP2 should be 4.1v to 4.7v. If that's what you see, wiggle the harness from the PCM to the TB. If the voltages stay between .49v and 4.65v and don't jump around, replace the TB.
Connect the black lead of your multimeter to the negative terminal of your battery
_|--|_ Pin 2 4.5-5.0 volts
_|--|_ Pin 3 Ground
_|--|_ Pin 4 12 volts
_|--|_ Pin 5 Ground

TB Relearn Procedure
Disconnect the negative battery terminal
Short the positive and negative battery terminals via a jumper wire
Reconnect the negative battery terminal after a few minutes
Start the car and let it idle 10-15 minutes

2.3L Mazda 3 Thottle Body Test Procedure

These models use a dual-circuit potentiometer type TP sensor. Test as follows:
1. Turn the ignition on and connect the positive (+) DMM lead to terminal 5 (Vref) and connect the negative (–) lead to terminal 3 (ground).

The meter should read about 5.0 volts.
2. Connect the positive (+) DMM lead to terminal 6 (TP #1 signal) and slowly sweep the throttle from closed to wide-open.
The voltage should rise smoothly with no dropouts or glitches from about 1.0 volt to about 4.0 volts.
3. Connect the positive (+) DMM lead to terminal to terminal 4 (TP #2 signal) and slowly sweep the throttle from closed to wide-open.
The voltage should fall smoothly with no dropouts or glitches from about 4.0 volts to about 1.0 volt.
A TP signal that is less than 0.2 volt or greater than 4.85 volts with the key on may cause DTCs to set



   Last update: Dec 7th, 2019