What is the role of the Throttle Position Sensor (TPS) in the throttle motor assembly, and what are the implications of its failure on 2002 through 2006 Toyota Avalon?

The Throttle Position Sensor (TPS) on these models is integrated into the throttle motor assembly, with the TPS and electronic throttle control being the black portion of the throttle body that includes the electrical connector. Issues with the TPS or motor can lead to intermittent fuel bursts from the injectors and an unstable idle, as the PCM misinterprets the throttle's movement. The PCM continuously compares the driver's input from the accelerator pedal position sensor to the actual throttle position at the throttle body. If there are problems with the TPS circuits, a diagnostic trouble code will be set. The TPS cannot be replaced separately; if there are issues with the throttle control motor or the TPS, the entire throttle body must be replaced.

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Toyota Avalon Sensor, Throttle Position
Part Number: 89452-22090
$108.78 MSRP: $153.35
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Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Throttle Position (For E.F.I.); Actuator, Throttle Position Sensor
- Comment: (FOR E.F.I.)
- Replaces: 89452-06010, 89452-33010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-1997 Toyota Avalon | XL, XLS | 6 Cyl 3.0L | 1MZFE; MCX10L-AEPGKA, MCX10L-AEPGKK, MCX10L-AEPNKA, MCX10L-AEPNKK, MCX10L-AESGKA, MCX10L-AESGKK, MCX10L-AESNKA, MCX10L-AESNKK
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Toyota Avalon Sensor, Throttle Position
Part Number: 89452-33030
$53.56 MSRP: $74.87
You Save: $21.31 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Throttle Position (For E.F.I.); Actuator, Sensor, Throttle Position Sensor
- Comment: (FOR E.F.I.)
- Replaces: 89452-33040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004 Toyota Avalon | XL, XLS | 6 Cyl 3.0L | 1MZFE; MCX20L-AEPGKA, MCX20L-AEPGKK, MCX20L-AEPNKA, MCX20L-AEPNKK, MCX20L-AESGKA, MCX20L-AESNKA
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Toyota Avalon Sensor, Throttle Position
Part Number: 89452-06020
$65.36 MSRP: $92.13
You Save: $26.77 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Throttle Position (For E.F.I.)
- Comment: (FOR E.F.I.)
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2004 Toyota Avalon | XL, XLS | 6 Cyl 3.0L | 1MZFE; MCX10L-AEPGKA, MCX10L-AEPGKK, MCX10L-AEPNKA, MCX10L-AEPNKK, MCX10L-AESGKA, MCX10L-AESGKK, MCX10L-AESNKA, MCX10L-AESNKK, MCX20L-AEPGKA, MCX20L-AEPGKK, MCX20L-AEPNKA, MCX20L-AEPNKK, MCX20L-AESGKA, MCX20L-AESNKA

Toyota Avalon Throttle Position Sensor

The Throttle Position Sensor (TPS) is an important part of the electronic throttle control system in Toyota Avalon automobiles and allows to control the extent of mixture preparation optimally by selecting the greatest air-fuel mixture ratio that will burn the fuel in the premier manner. A feature known as Throttle Position Sensor regulates the position of a throttle and relays the signals to the engine's fuel injection system to control appropriate fuel feed depending on the horsepower need of the engine. This process is continuously repeated in order to achieve good acceleration, as well as both a steady cruising speed, and a smooth deceleration. Toyota Avalon models have been produced with updates in Throttle Position Sensor; older potentiometric Throttle Position Sensor are non-contact types. These sensors of the higher level are based on Hall effect, inductive, or magnetoresistive technologies allowing to respond to variations of the magnetic field more effectively and with higher accuracy. Another type of invented non-contact Throttle Position Sensor includes the throttle spindle and sensor circuit, which when change by the magnetic field, generates voltage signals for the ECU. In the same regard, other accelerator pedal sensors such as the wide open throttle (WOT) sensor forms part of the electronics throttle control system for improved precision and efficiency of the Toyota Avalon's engines.

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Toyota Avalon Throttle Position Sensor Parts Questions & Experts Answers

Sensor, Throttle Position
89452-33030
Q: What is the role of the Throttle Position Sensor (TPS) in the throttle motor assembly, and what are the implications of its failure on 2002 through 2006 Toyota Avalon?
A: The Throttle Position Sensor (TPS) on these models is integrated into the throttle motor assembly, with the TPS and electronic throttle control being the black portion of the throttle body that includes the electrical connector. Issues with the TPS or motor can lead to intermittent fuel bursts from the injectors and an unstable idle, as the PCM misinterprets the throttle's movement. The PCM continuously compares the driver's input from the accelerator pedal position sensor to the actual throttle position at the throttle body. If there are problems with the TPS circuits, a diagnostic trouble code will be set. The TPS cannot be replaced separately; if there are issues with the throttle control motor or the TPS, the entire throttle body must be replaced.