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FORD INJECTION SYSTEM DIAGNOSTIC EECIV


self
System
Computers EECIV vehicles may be found in Argentine, Brazilian national, and other countries. Online
VW (Autolatina): Pointer, Gol GLI. Ford Galaxy from
94, Orion, Ford XR3, Escort. Ford F100 engine
4.9, F150. Imported USA
Ford: Explorer, Aerostar, Taurus, etc.







is EECIV system software has a highly sophisticated diagnoses, and is designed to really give an important repair support at the time of having to solve any problem. The diagnostic procedure is performed from the diagnostic connector usually located under the hood of the vehicle and under a cap bearing the inscription EEC TEST. Circuital
connector connections are:


The terminal 40 in some models apliaciones Americans often come loose in a cable with a separate terminal. For the purposes of the bridge that later we will make to the diagnosis, we'll do the same terminal 46 or loose in the latter case so it has.
For testing the system is designed to be analyzed with a scanner called tester STAR , pero permite tambien realizar extraccion de codigos de diagnostico en forma manual.
PRUEBAS DEL SISTEMA EEC IV:
PRUEBA DE LA BOMBA DE COMBUSTIBLE: Para poner en funcionamiento la bomba de combustible se debe poner a masa el terminal FP , al realizar esta prueba se cierra el circuito por masa del relay de la bomba. Este prueba resulta muy comoda para medir la presion de combustible como tambien para encontrar fallas en el circuito electrico de la misma


PRUEBA KOEO
Descripcion: La prueba KOEO se realiza con la llave en contacto y motor apagado de ahi proviene la sigla KOEO ( Key On Engine Off ). Para realizar la misma podemos conectar un foquito 12 Volts 2 watts, tipo piojito entre el terminal 17 and the battery positive, we can also connect a voltmeter needle, placing the voltmeter positive to positive and negative battery voltmeter to terminal 17.
This light bulb every time you turn on the computer (ECA), place dough to the ends 17 and displace the voltmeter needle marking 12 volts. To enable diagnostic system must make a bridge between the terminal 46 and terminal 40 which as stated above may come loose. KOEO give
The two sets of codes, separated by a number of the other by a single flash bulb or displacement of the needle, called a separator code or code 10. The first set of codes are called codes on demand, segunadatanda, codes memory.
The codes on request from an electric control that performs real-time ACE, which means that the ECA reviewed at that moment the ONNECTIONS of sensors and actuators under diagnosis, electrically comprobamdo circuits.
codes on demand are valid only in the time of efetuala test, give the information collected by ACE at that time that the system is under test, these codes do not tell us absolutely nothing about past failures.
We must also say that the codes on demand will give results on all the measurable in contact with the engine stopped, it makes such we can not know in this part of the diagnostic procedure does not work if for example the lambda sensor. Following
the claim codes separating the code and then come the memory codes, these codes will give us information about problems that occurred when the engine was running.
PERFORMANCE: Start the engine
contact.
Make a jumper. First
hear a series of "clicks" corresponding to drive relays and actuators made by the ECA for the purpose of verifying its operation. Later there will be some movements
fast needle or flashes of light bulb, this is a scanner data transmission. (On this test does not make much sense)
then read the codes, keeping in mind that these can be 2 or 3 figures and that each of these codes is repeated twice. This first set of codes are called on demand.
will be followed by a single flash or needle movement called code separator. (Code 10) and then
identical codes so that the demand will come on the cogigos memory. Codes are always repeated twice each, say for example we have a problem connected with the connection of the MAP.
If the problem is electrical and is present at the time of the KOEO, we give:
22 22 10 22 22
This means, the code 22 twice in demand (this electrical problem at the time), the code separator then the problem in memory, which means starting the electrical problem was in effect. It could also be given in memory an accompanying code 22 41, which means a problem of wealth that could have occurred as a result of the MAP problem. TEST
KOER:
KOER test (engine running key contact - Key On Engine On), is designed to make ACE a dynamic control system, thus proving the system's response to the changes produced by the same ECA . During this test, the ECA will enrich the system and wait to see the Lambda sensor response, accelerate the engine waiting to see the response of the idle valve, ignition advance, etc.. That is to say that we are facing a real test of the system and the most interesting is that this whole procedure so do it the same RCTs without no additional equipment.
PERFORMANCE:
Connect a voltmeter or light bulb in the same way as for the KOEO.
Start the engine and wait for warm up well and the normal operating temperature, then 2 minutes to have accelerated to 2000 RPM.
Stop the engine, wait 30 seconds and then operate it
Immediately after making the bridge in the same way as for the KOEO.
currently give identification codes and speed up to 2000 RPM, then and then move the power steering from side to side so that the ECA check at this time the pressure swich it has in the pipe, cars with Automatic box must also step and release the brake, make this a couple of times.
code then wait 10 to be manifested by a single needle Movimas the voltmeter or light bulb flash.
From this moment have 10 seconds to step on the throttle to 3 / 4 and release it as soon as engine passes the 3000 RPM, this test is aimed to verify ACE TPS and MAP.
then read the codes, these are read the same way as in the KOEO. In
listings FORD diagnosis codes code 11 or 111 (three digits), means that the system becomes not registering any problem. THE MEMORY
codes (memory):
memory codes can be erased by disconnecting the battery or removing the bridge after the first code 11 or 111 for the codes KOEO demand.



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