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How do you test throttle connector or motor - Razor MX500 Dirt Rocket

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P2112 code? what code is this?


Code indicates the pcm is unable to open the throttle. The pcm receives a signal from the accelerator pedal position sensor and signals the throttle control motor to open the throttle to the corresponding position. It could be caused by a bad control motor or loss of power to the motor. First, I would access the throttle by removing the inlet hose and try to open the throttle with my fingers. If it is sticking, clean up the plate and bore with some throttle body cleaner. If it is not sticking, check the connector. If all looks good, you will hve to get the wiring diagram to check the power wire and perhaps run a test procedure. Would need your model, year, and engine size to be more specific.

Dec 05, 2017 | Cars & Trucks

1 Answer

Working on 2003 Lincoln LS 3.0. code p2110; p2107. Customer replaced throttle body


P2110 - Throttle Actuator Control System - Forced Limited RPM. Throttle actuator control system is in FMEM mode of forced limited RPM.
  • PCM damaged
  • Cross wired TACM motor
DTC indicates only that FMEM condition exists, and can be set incombination with DTCS P2100, P2101, or P2107, meaning the ETB faults should be repaired first.
P2107 - Throttle Actuator Control Motor Processor. The ETC control area of the PCM failed self test. Fault could be the result of an incorrect TP command, or the TACM wires shorted together.
  • TACM wire shorted together
  • TACM circuit wires shorted to pwr
  • PCM damaged
  • ETB damaged
An (TACM) circuit PID reading may indicate a fault if available
DV21 CHECK ETC MOTOR FOR SHORT OR OPEN
  • Remove ETC motor harness connector.
  • Measure the resistance between the TACM + and TACM - pins, through the motor.
Is the resistance less than .8 ohms, or greater than 1000 ohms?
Yes No Replace Throttle body assembly. note: Clear DTCS and rerun self test, if DTCS (P2100, P2106, P2112), or (P2100, P2106, P2111, P2112) are output GO to DV22 , for (P2100, P2106, P2107) GO to DV23 , and for (P2100, P2106, P2107, P2111, P2112) GO to DV24 , and for DTCS (P2101, P2106, P2110, P2111, P2112) GO to DV25 . GO to DV22 . DV22 CHECK ETC MOTOR HARNESS FOR OPEN
  • Remove PCM harness connector.
  • Measure the resistance of the TACM+ circuit between the PCM and TACM harness connectors.
  • Measure the resistance of the TACM- circuit between the PCM and TACM harness connectors.
Is the resistance less than 5 ohms?
Yes No GO to DV23 . Repair open circuit. DV23 CHECK ETC MOTOR HARNESS FOR SHORT TO GND, PWR, ETCREF, AND ETCRTN
  • Measure the resistance between the TACM + pin and battery gnd.
  • Measure the resistance between the TACM - pin and battery gnd.
  • Measure the resistance between the TACM + pin and battery pwr.
  • Measure the resistance between the TACM - pin and battery pwr.
  • Measure the resistance between the TACM + pin and ETCRTN.
  • Measure the resistance between the TACM - pin and ETCRTN.
  • Measure the resistance between the TACM + pin and ETCREF.
  • Measure the resistance between the TACM - pin and ETCREF.
Are both resistances greater than 10K ohms?
Yes No GO to DV24 , for P2101, GO to DV25 . Isolate and repair short circuit. DV24 CHECK ETC MOTOR HARNESS FOR CIRCUITS SHORTED TOGETHER
  • Measure the resistance between the TACM + pin and TACM- pin.
Is the resistance greater than 10K ohms?
Yes No GO to DV25 . Isolate and repair short circuit. DV25 CHECK FOR CROSSWIRED ETC MOTOR HARNESS
  • Measure the resistance between the TACM + pin and TACM- pin.
Is the resistance greater than 10K ohms?
Yes No GO to DV26 . Properly wire the TACM per TACM and PCM connector diagrams. DV26 SELF TEST VEHICLE
  • Key On Engine Off.
  • Clear DTCS.
  • Cycle accelerator pedal to the floor and back several times.
  • Self Test vehicle noting any DTCS.
Were there any DTCS related to the ETC system?
Yes No Intermittent fault, GO to Z1 Replace PCM.

Oct 13, 2017 | Lincoln Cars & Trucks

2 Answers

How do I find where the stepper motor is located on a 2004 trailblazer


Here's a step by step. http://forums.trailvoy.com/showthread.php?t=48886

Jul 05, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

Location of egr valve on 2003 chevy silverado


Hi there:
Here is a picture showing the EGR valve on the 4.8 Litre V8. The numbers below go with the picture. The arrow points to the front of the truck.

(1) Fuel Injector 2 Connector
(2) Throttle Actuator Control (TAC) Motor Connector
(3) Throttle Actuator Control (TAC) Motor
(4) Exhaust Gas Recirculation (EGR) Valve Connector
(5) Exhaust Gas Recirculation (EGR) Valve
(6) Fuel Injector 6
(7) Ignition Coil 2


9_14_2012_3_34_36_am.jpg
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Sep 14, 2012 | 1989 Chevrolet Camaro

2 Answers

Throttle position sensor


You should test it before replacing, just to make sure there isn't another problem you are missing. The computer only knows something isn't right.
I would do the testing before removal, as the tps is integrated with the throttle actuation motor. Remove the connector from the sensor and use an ohmmeter to check the sensor. Inspect the connector and pins carefully for damage. Also inspect the wires carefully. If visual inspection looks good, move on to testing. The sensor circuit includes three pins in the connector--pins B, D, and H in the lower left of the diagram below. Remove the rubber air pipe from the throttle so you can open the throttle by hand. Then connect your ohmmeter to pins H and D. Then slowly open the throttle by hand. The resistance between the pins should change continuously and linearly as you open the throttle by hand. If that test is good, move the ohmmeter probes to pins B and D and run the same test. If the sensor fails these tests, replace the whole integrated throttle control assembly. If it passes, the problem is probably with the connector or wiring.


The link below includes the procedure to remove the sensor.
Repair Guides Electronic Engine Emission Controls Throttle Position Sensor...


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Sep 24, 2017 | 2002 Chevrolet TrailBlazer

3 Answers

Computer code p0505 -running at high idle


Hi, not sure which engine you have so I can't be precise, but here is what I recommend. Remove the idle air control valve and check the valve seat for blockage. If dirty, clean both the passages and the valve, reinstall and see if that resolves the code. If it isn't blocked or dirty, run the tests below using a volt/ohmmeter. The primary test to run is step 8. If the valve fails step 8, replace the valve. If it passes, then check the PCM reference voltages in step 7. Let me know if you have questions.


jturcotte_1104.gif


TESTING Conclusive testing of this component requires the use of special, factory-supplied equipment and is not included here. The tests below will provide valuable information regarding condition of the IAC motor and require only a VOM.

  1. Ignition must be OFF .
  2. Disconnect the IAC motor connector.
  3. Disconnect the PCM harness connector(s).
  4. Measure the resistance of the four IAC motor wires between the motor connector and the PCM connector. Refer to the illustrations for wire colors.
  5. Resistance should be under 5.0 ohms. Replace any wire with a higher resistance.
  6. Check for resistance between each motor lead and ground. Replace any wire with resistance under 5.0 ohms.
  7. Remove the ASD relay from the PDC (location is shown on the underside of the PDC cover. Connect a jumper between cavity 30 and 87 . Turn the ignition ON . Measure the voltage at each of the driver wires. Voltage should not exceed 1.0 v.
  8. With the ignition OFF and the IAC and PCM connectors detached, measure the resistance between each driver wire and ground. Resistance must be above 5.0 ohms in each case.
jturcotte_296.jpg

Fig. IAC motor assembly

jturcotte_1105.gif

Fig. IAC motor electrical connector pinouts


jturcotte_1106.gif

Fig. IAC motor and driver circuits



REMOVAL & INSTALLATION
The IAC motor is located on the rear of the throttle body secured by two Torx® screws.

  1. Disconnect the negative battery cable.
  2. Remove the air cleaner assembly.
  3. Unplug the IAC motor connector.
  4. Remove the two mounting Torx® screws.
  5. Remove the IAC motor from the throttle body.


WARNING When the IAC motor is removed from the throttle body, do NOT extend the pintle more than 0.250 inch (6.35mm). If the pintle is extended more than this amount, it may separate from the IAC motor and the motor will have to be replaced.

To install:
  1. Install the IAC motor in the throttle body.
  2. Tighten the mounting bolts to 60 inch lbs. (7 Nm).
  3. Plug the IAC electrical connector in.
  4. Install the air cleaner assembly.
  5. Connect the negative battery cable.
jturcotte_297.jpg

Fig. IAC motor mounting screws (arrows)

Feb 25, 2011 | 1999 Dodge Ram

1 Answer

My service engine light is on. and I took it too autozone to be checked and got the results: Large vacuum leak on engine, 2. throttle body condition-dirty and faulty IAC valve/throttle. what does this...


These are all things that can affect your gas mileage and engine performance.

To check for vacuum leak, look for unhooked hoses on top of engine. If OK, use starter fluid and spray along intake manifold gaskets with engine running. If engine speeds up, there is a leaking gasket.

IAC deals with idle. Does the car idle smoothly? If not, remove IAC to see if it's dirty. I will paste instructions below for the IAC valve.

Throttle body dirty--what code is this? never heard of such a code, but you can clean the throttle body wioth carb cleaner. I will paste instructions below.

IAC valve info:


Operation The amount of air taken in during idling is regulated by the opening and closing of the servo valve located in the air passage that bypasses the throttle valve. The servo valve is opened or closed by the activation of the stepper motor (incorporated within the idle air control motor in the forward or reverse direction. Battery positive voltage is supplied, by way of the MFI relay, to the coil of the stepper motor. The engine control module switches ON the power transistors (located within the engine control module) in sequential order, and, when current flows to the stepper motor coil, the stepper motor is activated in the forward or reverse direction.


Removal & Installation

  1. Disconnect the negative battery cable.
  2. Detach the electrical connector at the sensor.
  3. Remove the sensor from the throttle body.
To install:
  1. Install the sensor in the opening in the throttle body and tighten the sensor.
  2. Attach the electrical connector to the sensor.
  3. Connect the negative battery cable.


Testing
Checking Coil Resistance

  1. Disconnect the idle air control motor connector and connect the jumper (test harness).
  2. Measure the resistance between terminal (2) of the connector at the idle air control motor side and terminal (1) or terminal (3). Standard value: 28-33 ohms at 68°F
  3. Measure the resistance between terminal (5) of the connector at the idle air control motor side and terminal (6) or terminal (4). Standard value: 28-33 ohms at 68°F
  4. If not within specifications, replace the IAC Valve.
  5. If within specifications, check connectors and wiring between the sensor and ECM/PCM.
Checking Operation Sound
  1. Check that the operating sound of the stepper motor can be heard over the idle air control motor when the ignition switch is turned to the ON position (without starting the engine).
  2. If no operating sound can be heard, check the stepper motor drive circuit. (If the circuit is good, a defective stepper motor or engine control module is suspected.)

      0029f4e.gif
    IAC picture--mounted on top side of engine.
      Throttle body--loosten clamp to right of throttle body and pull hose off. Use electric parts cleaner or carb cleaner--spray on dirt with engine running. don't touch any sensors inside throttle body--sensors are delicate.
    b9362af.gif

    Oct 11, 2010 | 2005 Mitsubishi Endeavor

    5 Answers

    Engine goes to idle while driving


    P2104 Throttle Actuator Control System - Forced Idle
    P2106 Throttle Actuator Control System - Forced Limited Power
    P2111 Throttle Actuator Control System - Stuck Open
    P2112 Throttle Actuator Control System - Stuck Closed
    P2135 Throttle/Pedal Position Sensor/Switch “A” /"B" Voltage Correlation
    I looked it up and I will give you a web site I got it from http://www.f150online.com/forums/v8-engines/280570-p2104-p2106-p2111-p2112-p2135.html I hope this helps

    May 25, 2009 | 2004 Ford Explorer

    1 Answer

    Pride mobility legend XL throttle/speed fault


    what about the overall connection , start at the handlebars from the speed pot,

    Take off the rear cover , first remove the seat, pull the connector one by one and plug back in,

    chec kthe connectors around the speed pot , in particualar if there is a circuit board.

    Apr 24, 2009 | Drive Medical Mini Phantom Three Wheel...

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