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Sort them out into numerical codes later.
#Ford diagnostic test procedure symbols code
First digit of first KOEO code (1/2 second between blinks) 2 second pause Second digit of first KOEO code (1/2 second between blinks) 4 second pause Next KOEO code Once all KOEO codes are read the EEC will repeat them 6 second pause Single Separator Blink (this indicates the change from KOEO codes to CM codes) 6 second pause Codes from Continues Memory (uses same 1/2, 2, and 4 second timing as KOEO codes and also repeats them) If nothing has been recorded by the EEC since last battery disconnect you will see: Blink - 2 sec - blink - 4 sec - blink - 2 sec - blink - 6 se c - blink - 6 sec - blink - 2 se c - blink - 4 sec - blink - 2 sec blink This translates into 11-11 current condition (KOEO) and 11-11 in the continues memory (CM) or SYSTEMPASS This may seem hard to count r ecommendation is to record codes with slashes, and to lump them all together. Do not worry all those rapid flashes you just say flicker b uy will now be given at a slower pace of, 2, & 4 second pause s. This is a rapid code read that is used by the code readers you can purchase. You may catch a brief fli ckering of the light. The fuel pumps will stop and the EEC will now begin giving codes. You will hear some relays engage and t he fuel pumps prime the system. When the “Check Engine” light blinks during the test you will get several different blinks, the separation time between blinks is used to indicate what information is being displayed. Try to keep your self from getting distracted from here on. c) If you are using a che ep light you ll count like the rest of us. b) If you are using an analog voltmeter you ll be counting the meter make sweeps. a) If you are using a digital voltmeter you ll want to use the continuity setting. Attach the other lead to the positive side of the battery. Attach one side of the test device to the Self-Test Output (STO). Get a length of wire that can connect the STI to the negative battery terminal or body ground. Now you will need one of the following tools digital volt meter, analog volt meter, test light, or you can hook up any other 12 volt light that does not draw more than 0.5 watts max. You still need that wire to ground out the STI.
#Ford diagnostic test procedure symbols install
When the fuel pumps stop be ready to count! If you are a lost soul that d oes not have a working engine light, or did not install a light into yo ur dash don t fret.
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You will hear some relays engage and the fuel pumps prime the system. If your EEC is wired correctly, the engine light works, and there are not any electrical faults i n the vehicle you can get the codes out of your EEC. To check for codes without buying a code reader is simple.