Is it necessary to reboot the computer after replacing the throttle body and tps sensor.

throttle actuator sensor ???? TPS - throttle position sensor - throttle body ?? Was there a code ? if so what was it ? Your vehicle has electronic throttle control . Sensors in the gas pedal assembly ,two sensors in the throttle body . Computer controlled .

Test the tps using procedure below.


Throttle Position Sensor (TPS)
The Throttle Position Sensor (TPS) is connected to the throttle shaft on the throttle body. It is a potentiometer with one end connected to 5 volts from the VCM and the other to ground. A third wire is connected to the VCM to measure the voltage from the TPS. As the throttle valve angle is changed (accelerator pedal moved), the output of the TPS also changes. At a closed throttle position, the output of the TPS is low (approximately 0.5 volts). As the throttle valve opens, the output increases so that, at wide-open throttle, the output voltage should be approximately 4.5 volts. By monitoring the output voltage from the TPS, the VCM can determine fuel delivery based on throttle valve angle (driver demand).

TESTING


See Figures 1, 2 and 3

Backprobe with a high impedance voltmeter at TPS ground terminal and 5 volt reference signal terminal.
With the key ON and engine off, the voltmeter reading should be approximately 5.0 volts.
If the voltage is not as specified, either the wiring to the TPS or the VCM may be faulty. Correct any wiring or VCM faults before continuing test.
Backprobe with a high impedance voltmeter at the TP signal terminal and the sensor ground terminal.
With the key ON and engine off and the throttle closed, the TPS voltage should be approximately 0.5-1.2 volts.
Verify that the TPS voltage increases or decreases smoothly as the throttle is opened or closed. Make sure to open and close the throttle very slowly in order to detect any abnormalities in the TPS voltage reading.
If the sensor voltage is not as specified, replace the sensor.




Fig. Fig. 1: Common Throttle Position Sensor (TPS) wiring diagram (wire color, terminal identification/location may vary on certain models)





Fig. Fig. 2: Using jumper wires and high impedance voltmeter, test between the sensor ground and reference terminals, the voltage should be approximately 5 volts






Fig. Fig. 3: Next test between the sensor signal and ground terminals, verify that the TPS voltage increases or decreases smoothly as the throttle is opened or closed.


REMOVAL & INSTALLATION

Except 1998-99 2.2L Engines
See Figure 4






Fig. Fig. 4: Common Throttle Position Sensor (TPS)
Disconnect the negative battery cable and remove the air cleaner and if equipped, the gasket and bracket.
Disengage the electrical connector.
Unfasten the two TPS attaching screw assemblies.
Remove the TPS from the throttle body assembly.
Remove the TPS seal.

To install:
Install the TPS seal over the throttle shaft.
With the throttle valve closed, install the TPS on the throttle shaft.
Rotate it counterclockwise, to align the mounting holes.
Install the two TPS attaching screws.
Tighten the screws to 18 inch lbs. (2 Nm).
Engage the electrical connector.
If equipped, install the bracket and gasket air cleaner and gasket.Connect the negative battery cable.

1998-99 2.2L Engines
Disconnect the negative battery cable and remove the air cleaner outlet resonator.Remove the throttle body assembly.Unfasten the two TPS attaching screw assemblies.Remove the TPS from the throttle body assembly. To install:
With the throttle valve closed, install the TPS on the throttle body.Install the two TPS attaching screws. Tighten the screws to 27 inch lbs. (3 Nm).Install the throttle body.Install the air cleaner outlet resonator.Connect the negative battery cable.

Test the map and tps. If the throttle is controlled electronically, also test the accelerator position sensor. Make sure the tps signal changes smoothly as the throttle is opened.

Manifold Absolute Pressure (MAP) Sensor
OPERATION The Manifold Absolute Pressure (MAP) sensor is a device which monitors manifold vacuum. It is either mounted on the firewall or throttle body and is linked electrically to the on-board computer. The MAP transmits information on manifold vacuum conditions to the computer. This data determines engine load and is used with data from other sensors to adjust the air/fuel mixture.
On the 2.5L engine, the MAP sensor is mounted in the right rear side of the engine compartment. It is connected to the throttle body by vacuum line. The MAP sensor on V6 and V8 engines is mounted to the throttle body. It is connected by an L-shaped rubber fitting. The V10 MAP sensor is found on the right side of the intake manifold and senses vacuum in the manifold.
TESTING See Figure 1
To completely test this sensor and its circuitry, you will need a DRBII scan tool, or equivalent. This is a test of the MAP sensor only. This test is for all engines except the 4-cylinder.
On the V6 and V8 engines: inspect the rubber fitting from the MAP sensor to the throttle body. Repair if necessary.On the V6 and V8 engines: test the MAP sensor output voltage at the connector between terminals A and B (see drawing). With the ignition ONand the engine OFF , the output voltage should be 4-5 volts.Test the engine controller terminal No. 1 for the same voltage to confirm that the wiring is in good shape. Repair if necessary.Test the MAP sensor voltage at the sensor connector between terminals A and C with the ignition ON . The voltage should be 4.5-5.5 volts. Also check terminal No. 6 of the engine controller wiring harness for the same voltage. Repair or replace the wiring as necessary.Test the engine controller pin-1 for the same voltage to verify the wire harness condition.
Fig. 1: Terminal connections for testing the MAP sensor


Throttle Position Sensor (TPS)
The Throttle Position Sensor (TPS) is located on the throttle body and tells the computer when the engine is at idle, off-idle, or at Wide-Open Throttle (WOT). At idle, the computer cancels the spark advance. Idle speed is computer-controlled through the automatic idle speed motor.
TESTING To completely test this sensor and circuitry, you need the DRBII scan tool, or equivalent. This is a test of the sensor only. This test applies only to V6, V8 and V10 engines.
This test requires a digital voltmeter. The sensor must be checked on the vehicle with its 3-wire connector engaged to the sensor. The center terminal wire of the sensor connector is the output terminal.
Remove the air cleaner housing.Attach the positive lead of the voltmeter to the center terminal of the sensor harness.Attach the negative lead of the voltmeter to a good ground.With the ignition key in the ON position and engine not running, check the sensor output voltage at the center terminal wire of the connector. Check this at idle (throttle plate closed) and at Wide Open Throttle (WOT). At idle, the sensor output voltage should be greater than 200 millivolts. At WOT, the sensor output voltage should be less than 4.8 volts. The output voltage should increase gradually as the throttle plate is slowly opened from idle to WOT.If the sensor does not meet specifications, replace it.

Fig. 1: Common TPS mounting-V6 and V8 engines




Fig. Fig. 2: Common TPS mounting-V10 engine

no engine option stated, and is key fact to know here.
eg:
The 5.7L V8 engine does not use a separate Throttle Position Sensor (TPS) on the throttle body.

remove old TPS, and bolt on new.
its like 2 or 3 screws. no big deal.
but needs to be calibrated per fsm.
ill take a wild guess, 3.7L
3.7L Engine and 4.7.

1. Remove air resonator tube at throttle body.
2. Disconnect TPS electrical connector.
3. Remove two TPS mounting screws.
4. Remove TPS.

install
The throttle shaft end of throttle body slides into a socket in TPS. The TPS must be installed so that it can be rotated a few degrees. (If sensor will not rotate, install sensor with throttle shaft on other side of socket tangs). The TPS will be under slight tension when rotated.

1. Install TPS and retaining screws.
2. Tighten screws to 60 inch lbs. (7 Nm) torque.
3. Connect TPS electrical connector to TPS.
4. Manually operate throttle (by hand) to check for any TPS binding before starting engine.
5. Install air cleaner tube to throttle body.

some TPS need calibration
to see what yours needs, read the FSM
or at alldata.com
or here. I think all engines here, are TPS PCM autocalibrated.

read WJ car here
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

The 2004 nissan titan is drive by wire, meaning there is no cable to control the gas pedal to throttle.
This system is computer controlled with a motor at throttle body and pedal sensors.

the TPS throttle position sensor is located inside the throttlebody . on most of these the complete throttle body must be replaced as there is no sperate tps sensor it is complete,
i would check and make sure this is the problem . GM started making TPS replacement sensors for there throttle bodies.

The 3 wire Throttle Position Sensor (TPS) is mounted on the throttle body and is connected to the throttle blade.
The TPS is a 3wire variable resistor that provides the Powertrain Control Module (PCM) with an input signal (voltage) that represents the throttle blade position of the throttle body. The sensor is connected to the throttle blade shaft. As the position of the throttle blade changes, the resistance (output voltage) of the TPS changes.
The PCM supplies approximately 5 volts to the TPS. The TPS output voltage (input signal to the PCM) represents the throttle blade position. The PCM receives an input signal voltage from the TPS. This will vary in an approximate range of from .26 volts at minimum throttle opening (idle), to 4.49 volts at wide-open throttle. Along with inputs from other sensors, the PCM uses the TPS input to determine current engine operating conditions. In response to engine operating conditions, the PCM will adjust fuel injector pulse width and ignition timing.
The PCM needs to identify the actions and position of the throttle blade at all times. This information is needed to assist in performing the following calculations:

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• HOME
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• 2001 JEEP GRAND CHEROKEE 4WD 4.0L MFI 6CYL REPAIR GUIDE
• ENGINE PERFORMANCE & EMISSION CONTROLS
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• THROTTLE POSITION SENSOR

Cherokee, Grand Cherokee, 1999-2005
Throttle Position Sensor

• OPERATION
• REMOVAL & INSTALLATION

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Operation

The 3 wire Throttle Position Sensor (TPS) is mounted on the throttle body and is connected to the throttle blade.
The TPS is a 3wire variable resistor that provides the Powertrain Control Module (PCM) with an input signal (voltage) that represents the throttle blade position of the throttle body. The sensor is connected to the throttle blade shaft. As the position of the throttle blade changes, the resistance (output voltage) of the TPS changes.
The PCM supplies approximately 5 volts to the TPS. The TPS output voltage (input signal to the PCM) represents the throttle blade position. The PCM receives an input signal voltage from the TPS. This will vary in an approximate range of from .26 volts at minimum throttle opening (idle), to 4.49 volts at wide-open throttle. Along with inputs from other sensors, the PCM uses the TPS input to determine current engine operating conditions. In response to engine operating conditions, the PCM will adjust fuel injector pulse width and ignition timing.
The PCM needs to identify the actions and position of the throttle blade at all times. This information is needed to assist in performing the following calculations:


Ignition timing advance Fuel injection pulse-width Idle (learned value or minimum TPS) Off-idle (0.06 volt) Wide Open Throttle (WOT) open loop (2.608 volts above learned idle voltage) Deceleration fuel lean out Fuel cutoff during cranking at WOT (2.608 volts above learned idle voltage) A/C WOT cutoff (certain automatic transmissions only)

Removal & Installation

3.7L & 4.0L

1. Disconnect TPS electrical connector.
2. Remove TPS mounting screws.
3. Remove TPS.

To Install:
The TPS is mounted to the throttle body. The throttle shaft end of throttle body slides into a socket in the TPS. The TPS must be installed so that it can be rotated a few degrees. (If sensor will not rotate, install sensor with throttle shaft on other side of socket tangs). The TPS will be under slight tension when rotated.

1. Install TPS and retaining screws.
2. Tighten screws to 7 Nm (60 inch lbs.) torque.
3. Connect TPS electrical connector to TPS.
4. Manually operate throttle (by hand) to check for any TPS binding before starting engine.

4.7L

1. Remove air duct and air resonator box at throttle body.
2. Disconnect TPS electrical connector.
3. Remove two TPS mounting bolts (screws).
4. Remove TPS from throttle body.

To Install:
The throttle shaft end of throttle body slides into a socket in TPS. The TPS must be installed so that it can be rotated a few degrees. If sensor will not rotate, install sensor with throttle shaft on other side of socket tangs. The TPS will be under slight tension when rotated.

1. Install TPS and two retaining bolts.
2. Tighten bolts to 7 Nm (60 inch lbs.) torque.
3. Manually operate throttle control lever by hand to check for any binding of TPS.
4. Connect TPS electrical connector to TPS.
5. Install air duct/air box to throttle body.

Hope this helps

on the hyundai the tps rarely fails. so check the pedal sensor on pedal of car. there are 2 sensors on this car, one on side of carburator, and one at accelerater pedal check this one first. the throttle body does not need to be changed to fix the tps. but usually it is located on the throttle body. at the throttle plate.

No
(ETC) Throttle Control---is the motor, in the Throttle Body,the TPS Sensor,is a replaceable item in it also.

The entire throttle body, is some very serious money,so don't assume it is bad.

Clean the Throttle with CRC Throttle Body Cleaner
Clean the MAF Sensor with CRC MAF Cleaner
Check for vacuum leaks
Make sure you got NO Ignition misfires.they can spike the computer and come back on the TPS, and then give you the ETC issues. (Very Technical stuff) Don't throw parts at it.

TPS = Throttle Position Sensor. It attaches to side of throttlebody and moves via your throttle shaft, sending information back to computer for proper fuel delivery. If you look on opposite side of throttle body where your throttle cable/linkages are attached, you will find the TPS. Usually held on by 2 screws, and there will be an electrical connector attached.

I think the terms "Throttle Positon Sensor", TPS and "Throttle Body" can be misleading at least in regards to the 04 Camry.

My 04 Camry gave a diagnostic reading of P2121 for my problem "Throttle PEDAL position switch D circuit". However, we changed out the complete Throttle Body/TPS (Toyota Part #22030-0H020) that did NOT fix problem.

The 04 Camry TPS Electronic Module "Throttle Positon Sensor" is factory assembled and riveted to the side of the throttle body. The only way to service/inspect it would be to cut off or drill out the rivets. Not sure you could open the darn thing if you got it off, but that seems to be the only way Toyota sells them!!

Hopefully a new Throttle PEDAL Position Sensor (Toyota Part # 78010-33010 PEDAL ASSY, ACC)
will fix it. This is located under the dash near the accelerator pedal.

So, now I would recommend FIRST to replace the "Throttle PEDAL Positon Sensor" (it is much, much cheaper) and then the Throttle Body/TPS assembly!! Unless of course, you get a diagnostic code as you did for "faulty throttle body!!