What is the Throttle Position Sensor and how do you diagnose and replace it on 1997 through 2001 Toyota Avalon?

Locate the Throttle Position Sensor (TPS) on the end of the throttle shaft to check it. Verify the reference voltage located on the Powertrain Control Module (PCM). Disconnect the TPS electrical connector and touch the probes of a volt meter to terminal number 1 and ground. With the ignition key turned ON, it should be 4.5 to 5.5 volts. If it is out of range or if there is no reference voltage, have the PCM checked. Next, check the TPS signal voltage. Reconnect the electrical connector to the TPS. Back pin terminals 2 and 3 of the TPS electrical connector. With the ignition key turned to ON and the throttle fully closed, the voltage should read 0.3 to 1.0 volts. Then, slowly open the throttle to increase it. If the indicated readings are below or above the specified range, replace the TPS. To remove it, make sure the ignition key is in the OFF position. Disconnect the electrical connector from the TPS. Remove the screws that retain the TPS to the throttle body and remove the TPS. Installation is the reverse of removal.

Genuine Toyota Avalon Throttle Position Sensor

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3 Throttle Position Sensors found

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Toyota Avalon Sensor, Throttle Position
Part Number: 89452-22090
$97.29 MSRP: $137.14
You Save: $39.85 (30%)
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
- 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; 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
$51.69 MSRP: $72.26
You Save: $20.57 (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; 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
$58.58 MSRP: $81.89
You Save: $23.31 (29%)
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; 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
89452-06020
Q: What is the Throttle Position Sensor and how do you diagnose and replace it on 1997 through 2001 Toyota Avalon?
A: Locate the Throttle Position Sensor (TPS) on the end of the throttle shaft to check it. Verify the reference voltage located on the Powertrain Control Module (PCM). Disconnect the TPS electrical connector and touch the probes of a volt meter to terminal number 1 and ground. With the ignition key turned ON, it should be 4.5 to 5.5 volts. If it is out of range or if there is no reference voltage, have the PCM checked. Next, check the TPS signal voltage. Reconnect the electrical connector to the TPS. Back pin terminals 2 and 3 of the TPS electrical connector. With the ignition key turned to ON and the throttle fully closed, the voltage should read 0.3 to 1.0 volts. Then, slowly open the throttle to increase it. If the indicated readings are below or above the specified range, replace the TPS. To remove it, make sure the ignition key is in the OFF position. Disconnect the electrical connector from the TPS. Remove the screws that retain the TPS to the throttle body and remove the TPS. Installation is the reverse of removal.