Question about 2003 Cadillac CTS

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I need a diagram to show how and where the throttle position sensor should go.

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The throttle position sensor is imbedded in the throttle body which is mounted on the intake manifold.

Posted on Oct 14, 2010

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Posted on Jan 02, 2017

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2006 impala 3.5 LT check engine and service traction control? Code: P2138


DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation
Electronic throttle control problem .
The throttle actuator control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the following functions:
• Accelerator pedal position sensing
• Throttle positioning to meet driver and engine demands
• Throttle position sensing
• Internal diagnostics
• Cruise control functions
• Manage TAC electrical power consumption
The TAC system includes the following components:
• The accelerator pedal position (APP) sensors
• The throttle body assembly
• The engine control module (ECM)

Accelerator Pedal Position (APP) Sensor
The accelerator pedal contains 2 individual accelerator pedal position (APP) sensors within the assembly. The APP sensors 1 and 2 are potentiometer type sensors each with 3 circuits:
• A 5-volt reference circuit
• A low reference circuit
• A signal circuit
The APP sensors are used to determine the pedal angle. The engine control module (ECM) provides each APP sensor a 5-volt reference circuit and a low reference circuit. The APP sensors provide the ECM with signal voltage proportional to the pedal movement. The APP sensor 1 signal voltage at rest position is less than 1 volt and increases to more than 4 volts as the pedal is actuated. The APP sensor 2 signal voltage at rest position is less than 0.6 volt and increases to more than 2 volts as the pedal is actuated.
Search P2138 on youtube ,will show diagnostic steps .

Aug 19, 2017 | Cars & Trucks

1 Answer

I have a 2003 S-type jaguar that goes into a limp mode and stops running then the engine system fault shows ,the parkbrake fault and DSC not available also shows. Diagnostic showed codes PO121,P1582??


code p 0121 is associated with the throttle position sensor and accelerator position sensor
causes are from cable adjustment --throttle position and accelerator position sensors
code p0533 refers to ac refrigerant pressure sensor--high input== causes --ac pressure too high (cooling fault -condenser fan not running at radiator-- too much gas --pressure sensor
p 0105 refers to map sensor / barometric pressure sensor --circuit malfunction===causes wiring--- map sensor --baro sensor ECM
code p0566 refers to cruise control master switch== causes --control switch , ---ECM
code p1582 refers to electronic throttle monitor data available which will be associated with the p 0121 code and faults

Jan 08, 2017 | Jaguar Cars & Trucks

1 Answer

What is a throttle positioning sensor


A throttle position sensor (TPS) is a sensor used to monitor the position of the throttle. If it goes bad (and they do sometimes) it will cause your check engine light to show up. I have never had anything bad happen to any of my cars when the TPS goes bad. Just need to get the part and replace it.

Mar 05, 2013 | 2009 Chevrolet Malibu

2 Answers

Where is my throttle position sensor located on my 1995 mercury sable 3.8l


The Throttle Position Sensor is located at the top center rear of the engine, on the throttle body.
Here is a diagram showing where the TPS is located on this vehicle.
Hope this helps...

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Sep 08, 2012 | 1995 Mercury Sable

2 Answers

Where is the throttle position sensor located on the 1999 DeVille?


For location of throttle position sensor and its replacement procedure,Click the link below and go through the diagram and procedure :----http://schematicsdiagram.blogspot.in/2012/02/where-is-throttle-position-sensor.html
-----------This will help.Thanks.

Feb 28, 2012 | 1999 Cadillac DeVille

2 Answers

Where is the throttle position sensor located on an 2005 F150 FX4?


it should be close to the throttle body itself give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local Ford dealership in the parts department and they be able to print you off the pictures and diagrams you will need wish you the best of luck Michigan Man.

Jan 30, 2010 | 2005 Ford F-150

1 Answer

Where is the throttle position sensor?Is there a link with a good diagram?


Usually its right on the side of the throttle body the should be a three pin connector connected to it and its somewhat small.

Dec 05, 2009 | 2004 Jeep Grand Cherokee

1 Answer

Where is the Throttle Positioning Sensor located in a 1997 nissan pathfinder, also is there a diagram that shows all the sensors locations


The throttle positioning sensor is actually mounted to the throttle body on the opposite side of the throttle cable. there are diagrams that show most sensor locations but not 100% of all sensors

Aug 29, 2009 | 1997 Nissan Pathfinder

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