Question about 2001 Mitsubishi Diamante

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Difference between throttle position sensor with and without traction control

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Trac Control has nothing to do with the TPS Sensor,
it is imbeded into the ABS System

Posted on Jan 15, 2013

  • 2 more comments 
  • Tim Korff Jan 17, 2013

    There are actually two types for my car one tps with traction control and one w/o...my car doesn't have have traction control I now know the different...but I used the same one that was in there and made an adjustment to right slightly and the problem seems to have disappeared...the highway driving test will prove me right or wrong...thanks for your messages.

  • Tim Korff Jan 17, 2013

    the other thing is I don't think traction control is the same as abs...I could be wrong...thanks

  • Anonymous Jan 18, 2013

    Trac Control is a feature within the abs braking system,where else would it be

  • Tim Korff Jan 18, 2013

    Hello Peter....I'm basically a novice but after more research ABS has to with the wheels not completely stopping as if your driving on ice going into a skid...traction control....from what I'm learning...is if one wheel is spinning on ice....wet road the traction control transfer the power to the other wheel/wheels whether two or four wheel drive..but like I said still learning and not 100% correct..thanks again

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I have a 2009 Saturn Aura XE and I want to know where exactly the speed sensors are so I know exactly what they look like so I can order the right parts and then replace them myself.


Your best bet would be to take your vehicle to a qualified repair shop that knows how to test an not guess as to the problem . Having control modules checked for DTC's - diagonstic trouble codes should always be the first step diagnosing modern automobiles . Replacing parts is not the way to try an fix your car. Would hate for you to replace a part an not have it fix the vehicle . Engine power reduced is associated with the electronic throttle control , no speed sensor .
ENGINE POWER REDUCED
Throttle Actuator Control (TAC) System Description for 3.6L engine or Throttle Actuator Control (TAC) System Description for the 2.4L engine

The engine control module (ECM) is the control center for the throttle actuator control (TAC) system. The ECM determines the driver's intent based on input form the accelerator pedal position sensors, then calculates the appropriate throttle response based on the throttle position sensors. The ECM achieves throttle positioning by providing a pulse width modulated voltage to the throttle actuator motor. The throttle blade is spring loaded in both directions, and the default position is slightly open.
002 Electronic Throttle Operation
Drive by Wire Function and diagnostics by Wells
Reduced power mode will cause traction control system to be shut off turning on the light . Nothing wrong with traction control.
So do yourself a favor an take it to a GM dealer or someother qualified repair shop .

Aug 28, 2017 | Saturn Cars & Trucks

1 Answer

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

2012 Buick Enclave, dash reads Traction control off, service stabilitrak. Engine power reduced... why????


Engine power reduced... is the main problem ,this turned off Traction control off, service stabilitrak. Your vehicle has electronic throttle control , The Gas pedal has sensors inside which are connected by electrical circuits to the PCM - engine computer ,the PCM use's these inputs to control the throttle plate by use of a 12 volt DC motor . Plus there are position sensors on the throttle body for feed back to the PCM. When one of these signals is off The PCM will put the system into reduced power mode . This will also set DTC'S - diagnostic trouble codes . Your best bet , take it to a qualified repair shop.

Jul 12, 2017 | Buick Cars & Trucks

1 Answer

Flash computer 2010 chevy equinox Abs, traction control, ck engine lights all come on. Vehicle goes into "safe" mode Drives at about 5 mph until I turn off & restart after 5 mins


Probably caused by the electronic throttle control . How many miles on the vehicle ? The gas pedal has position sensors that the PCM - engine computer uses to know how much to open the throttle plate .
Drive by Wire Function and diagnostics by Wells
What engine ?
The throttle actuator control (TAC) system is used to improve emissions, fuel economy, and driveability. The TAC system eliminates the mechanical link between the accelerator pedal and the throttle plate. The TAC system eliminates the need for a cruise control module and idle air control motor. The following is a list of TAC system components:
• The accelerator pedal assembly includes the following components:
- The accelerator pedal
- The accelerator pedal position (APP) sensor 1
- The APP sensor 2
• The throttle body assembly includes the following components:
- The throttle position (TP) sensor 1
- The TP sensor 2
- The throttle actuator motor
- The throttle plate
• The engine control module (ECM)

May 29, 2017 | Cars & Trucks

1 Answer

Check engine light reduce engine power and traction controll off.


It could be the APP sensors or the throttle body throttle position sensors . What DTC'S - diagnostic trouble codes . Need to test the electrical wiring , 5 volt reference voltage. Drive by Wire Function and diagnostics by Wells
REDUCED ENGINE POWER - mass airflow sensor has nothing to do with this problem .
Throttle Actuator Control (TAC)
Reduced Engine Power Mode When the PCM detects a condition with the TAC system, the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Acceleration limiting--The control module will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.


?€¢
Limited throttle mode--The control module will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.


?€¢
Throttle default mode--The control module will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.


?€¢
Forced idle mode--The control module will perform the following actions:


-
Limit engine speed to idle by positioning throttle position, or by controlling fuel and spark if throttle is turned off.


-
Ignore accelerator pedal input.


?€¢
Engine shutdown mode--The control module will disable fuel and de-energize the throttle actuator.




Refer to
?€¢
Powertrain Control Module Description for the 4.8L, 5.3L and 6.0L engine


May 09, 2016 | 2006 Chevrolet Avalanche

2 Answers

What does trac light mean?


destroying the transmission.possibly

Aug 09, 2015 | 2004 Buick Century

1 Answer

What does error codes 40 and 41 mean on my 1999 mitsubishi eclispe mean


11 Oxygen sensor fault.
12 Airflow sensor fault.
13 Intake air temp sensor fault.
14 Throttle position sensor (TPS) fault.
15 Idle speed control (ISC) motor position sensor fault.
21 Coolant temp sensor fault.
22 Crankshaft position (CKP) sesnor fault.
23 Camshaft position (CMP) sensor fault.
24 Vehicle speed sensor (VSS) fault.
25 Barometric (BARO) pressure sensor fault.
31 Knock sensor fault.
32 MAP sensor faulty.
36 Ignition timing adjustment signal fault.
39 Oxygen (O2) sensor fault.
41 Injector(s) fault
42 Fuel pump fault.
43 EGR fault.
44 Ignition coil (cylinders #1 & #4) fault.
52 Ignition coil (cylinders #2 & #5) fault.
53 Ignition coil (cylinders #3 & #6) fault.
55 Idle air control (IAC) valve position sensor fault.
59 Rear Oxygen (O2) sesnor fault.
61 Transaxle control module torque reduction signal fault.
62 Variable Induction control (VIC) valve position sensor fault.
71 Traction control (TC) vacuum valve solenoid fault.
72 Traction Control (TC) vent valve solenoid fault.

Sep 26, 2014 | 1999 Mitsubishi Eclipse

1 Answer

2011 chevy impala traction control


There are a few reasons this might happen. Believe it or not it could be as simple as a loose gas cap. That can cause a false reading in the throttle position sensor, and activate the traction control. Remove the gas cap and put it back on making sure to tighten it until it "clicks". Another reason may be a faulty throttle position sensor, or it has a glitch, thus activating thr traction control. Try the "Old Fashioned" fix of disconnecting the battery for about an hour, to reset the computer. After you reconnect it, turn the key to the ON position but don't start it. Slowly press the accellerator to the floor and release. Turn the key back off, wait a few seconds then start the car. This should take care of the glitch, if not it's most likely the throttle position sensor needs to be replaced.

Jul 08, 2014 | 2011 Chevrolet Impala

1 Answer

Electronic throttle control can't start jeep


Electronic throttle control (ETC) is an automobile technology which severs the mechanical link between the accelerator pedal and the throttle. A Throttle Position Sensor (TPS) is used to control traction control, fuel injections, etc.


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Dec 24, 2012 | 2012 Jeep Grand Cherokee Laredo 4dr SUV...

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