I have an "after market" throttle positioning sensor on my 2002 Hyundai Sonata which was installed by the original owner. The wires are were cut so there is no connector and we don't know the original color order of the wires.
I need to know WHERE to locate the wiring diagram for the TPS. I've checked tons of web links but everything seems to be about replacing, tuning or testing them.
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P2110...Faulty Throttle Actuator Control Module
- Throttle Actuator Control Module harness is open or shorted
- Throttle Actuator Control Module circuit poor electrical connection
P2118 - Electronic Throttle Control(ETC) system is made of the components throttle body, Throttle Position Sensor(TPS)1&2 and Accelerator Position Sensor(APS) 1&2. The throttle body contains the actuator, the throttle plate and the throttle position sensor (potentiometer), which are integrated in one housing. The actuator consists of a DC motor with a two-stage gear. The opening angle of the throttle valve is detected by the throttle position sensor which is mounted on the throttle body. And it provides feedback to the ECM to control the throttle motor in order to control the throttle valve opening angle properly in response to the driving condition.
The Throttle Position Sensor, or TPS is connected to the throttle shaft on the throttle body.
Fig. 2: Disengage the Throttle Position Sensor (TPS) wiring harness connector According with the Grand Cherokee Repair Manual, check this removal & installation procedure... (see Figures 5 and 6)
Remove the air intake tube at the throttle body.
Disengage the TPS wiring connector and remove the two mounting screws.
Carefully remove the TPS from the throttle body.
The throttle shaft end has a tang that can be fitted into the TPS
two different ways. Only one of the installed positions is correct. When
correctly positioned, the TPS can be rotated a few degrees. To
determine correct positioning, place the TPS onto the throttle body with
the throttle shaft tang on one side of the TPS socket. Verify that the
TPS can be rotated. If the TPS cannot be rotated, place the TPS on the
throttle body with the throttle shaft tang on the other side.
Tighten the two TPS mounting bolts to 60 inch lbs. (7 Nm) and engage the wiring connector.
Manually operate the throttle and check for any binding.
Install the air intake tube.
Fig. 5: Remove the throttle position sensor retainers...
Fig. 6: ...then, remove the throttle position sensor
Additionally, its possible that you are interesting in some section about this repair manual: Jeep Grand Cherokee 1993-1998 (ZJ Series).
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HAVE VECHICLE HOOK TO CODE SCANNER WHILE OPERATING THE THROTTLE POSITION SENSOR.WITH CODE SCANNER HOOKED UP IN VECHICLE WHILE WATCHING TPS SENSOR VOLTAGE VARATION WITH TPS SENSOR CLOSED VOLTS ON SCANNER SHOULD BE 0.2 TO 0.8 VOLTS TPS SENSOR CLOSED AS YOU PRESS ACCELERATOR PEDAL TPS SENSOR VOLTS SHOULD INCREASE TO 4.3 - 4.8 VOLTS WIDE OPEN THROTTLE IF VOLTS DONT CHANGE WHILE PRESSING ACCELERATOR PEDAL EITHER TPS SENSOR WIRING IS OPEN OR SHORTED TO GROUND OR THE ECM FAILED.
The throttle position sensor (TPS) is at fault. It is located on the side of the throttle body and is on a line with the throttle plate lever on the opposite side to the accelerator lever. Try pulling the electrical connector off and pushing it on a few times and see if that sorts things out. If not you will need to replace it. To clear the codes from the computer memory try disconnecting the battery for five minutes.
the o2 sensor will cause overfuelling and an improper throttle position.
the heater circuit has 12v,and the other 2 wires are a reference voltage.
you need to use a scanner and look at the live data to see what the 02 sensor is doing.
after battery disconnect,the monitors have to set using a drive cycle of which you can get from hyundai.Typically to set the 02 heater circuit,the car has to idle for 2 minutes when cold,and then drive at 55mph for 3 minutes with the a/c on.