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Re: 1993 toyota camry turn check engine light off
Open the hood. Locate a small grey box by the firewall, roughly 1.5 x 1.5 inches. It has a cap that will lift up, but it will not come off. Under the cap, located the terminals E1 and Te1. Using a standard paper clip, "jump" E1 and Te1 together. Turn the key on. Obnserve the check engine light; it will flash, pause and flash again. Count the flashes.
Examples: 2 flashes/pause/4 flashes is code "24"
1 flash/pause/5 flashes is code "15"
Get the codes & get that info back to me so that I will be able to assist you with your issue further.
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hope this might help.I've used on other makes of vehicles a paperclip and unfolded it and stuck it in where they get diagnostic readings from until check engine lights starts to flash. then bought book to car and read flashes of check engine light and book told me what they meant
First you need to find out what the fault code is that is making the check engine light come on. To do this, locate the diagnostic connector under the hood. It will be a black rectangular connector approx 50mm X 25mm with Diagnostic written on the cover. Open the cover and on the inside of the cover will be a diagram of the connections and their different labels. Locate pins labelled TE1 and E1. Switch on the ignition switch without starting the engine and with a small jumper wire bridge between pin TE1 and pin E1. Observe the check engine light on the dash and you will notice that it will be flashing. Read the diagnosis code as indicated by the number of flashes that this light makes. Each code will be displayed by first blinking the first digit of the code, then a pause and blink the second digit of the code. For example, Code 52 (knock sensor signal) will flash 5 times, pause and then flash 2 times, then a longer pause before it goes onto the next fault code if there is another one. Once it has gone through all the stored fault codes it will go through the sequence again starting at the first fault code again. Due to the many different fault codes that can be obtained it would be better to post another question for the fault code obtained. Good luck!
First you need to have someone hook up some sort of code reader to the car's computer to see why the light is on. Take note of the code or codes stored in the car's computer. I would clear the codes from the computer's memory and see if they come back, indicating there is still a problem, and go from there.
How did you try to obtain the codes? Did you short pins E1 and Te1 in the grey connector under the hood?
When the light comes back on, short the above pins, and get back to us.
Without seeing the codes, I would venbture a guess that you first consider a good tune-up, and use Toyota plugs only. Any other manufacturer will not work very well. I see this every day, new plugs, and the engine runs poor. Toyota plugs fixes it right up. The heat ranges are diffferent in Toyota plugs.
if the problem goes away on it's own, the light will turn off. Otherwise you'll need to bring it to a car shop where they can scan it to retrieve the codes and reset it for you. If you have an OBD-II scanner, you can reset it yourself