Classic (GC8 - JECS) ECU Reset

1.Ensure engine is at normal operating temperature, turn engine off
2.Locate the two ECU connectors, located under the steering column and consist of a black plastic male and female connector, and a green male female connector



3.With the ignition OFF connect black to black and green to green.
4.Turn on ignition, do not start the engine, depress the accelerator pedal to full throttle, then return it to the half-throttle position and hold for a few seconds, and then release
(Engine Check lamp turns on).
5.Start engine and then drive for at least one minute, keeping road speed above 11 Km/h.

At this point the check engine light should start to flash the all clear signal (steady 1/2 second interval flashes). If the check engine light does not flash, or indicates some other sequence, there is a fault present in the system (this post tells you how to read the codes: http://www.perth-wrx.com/vb/showthre...615#post406615 )

6.Stop the car and turn off the engine.
7.Disconnect the black and green connectors.
8.Job complete - ECU is now re-set.

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