A variety of things can reason the examine engine light to rotate on. Periodically it is not caused by a serious difficulty with your car. Continue reading to learn just how to reset this light and save yourself the dealership cost.


This article applies to the Honda civic (1992-2000), and also Accord (1990-2002).

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The examine engine irradiate in your Honda offers crucial diagnostic information, which will alert girlfriend of a serious problem like a negative catalytic converter. However, the inspect engine light additionally appears when the fuel tank cap is loose, or a change in humidity has actually occurred. Since this signal is transmitted via the electric system in her car, girlfriend don"t need to drive to a mechanic come reset it. You also don"t must buy components or products for this task, and also the procedure takes simply minutes to complete. However if the light come on again, visit your local Honda"s dealership company department to have actually it taken care of.

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Step 1 – study the inspect engine light on the dash

Turn ~ above the ignition, and then inspect if the check engine light (CEL) is secure or flashing. A stable light typically indicates a problem with the vehicle"s computer system system, such as a sensor the is not delivering or receiving the exactly data needed. On the various other hand, a flashing light frequently indicates a misfire in the ignition system. Revolve the an essential into the "off" place if either of these occurs.

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Figure 1. A steady examine engine light.

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Step 2 – find the examine engine irradiate jumper plug

In the passenger"s side foot well, remove the absent panel through the side door. This will allow you access to the Engine regulate Unit (ECU) and also jumper plug (service connector). Depending upon your Honda"s model, the jumper plug is either a blue or gray fancy two-pin cable plug. A blue plug has actually one brown and also one black wire, conversely, the gray plug has one brown and also one green/white strip wire.

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Figure 2. Remove the passenger"s side absent panel.
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Figure 3. Blue jumper plug v brown and black wires.
Pro Tip

While it is feasible to reset the CEL irradiate at this time, your best option is come decipher the trouble codes listed by the system. Doing therefore will aid you to recognize if further diagnostics room needed.


Step 3 – communicate the jumper plug

Strip two ends of a brief speaker wire. Insert each end of the wire (or paperclip) into each terminal that the jumper plug.

Figure 4. Jumper plug with stripped wire.

Step 4 – turn on ignition switch

Turn top top the ignition move without starting the engine. The check engine light will flash as normal. Counting the number of flashes to recognize the applicable CEL password (trouble code).

A lengthy flash (or roughly one second) amounts to 10.A short code (or approximately half a second) amounts to one.

For example, two lengthy flashes followed by two short flashes will certainly equal to the code 22. Any type of subsequent codes will follow in 2.5 second intervals.

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Step 5 – Reset the examine engine light

Now you deserve to clear the ECL codes by resetting the ECU. Gain accessibility the interior fuse box, i beg your pardon is situated to the left of driver"s next dash. Remove the panel cover to access your vehicle"s fuses. Usage the fuse dashboard diagram top top the within cover to identify the ar of every individual fuse. Using the fuse puller (or needle sleep pliers), remove fuse 7.5A. Wait three minutes, climate re-attach the fuse. This have to reset the CEL.