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resetting ecu

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Old Oct 22, 2003 | 11:44 PM
  #1  
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borich
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wondering if someone could tell me how to reset the ecu on my 93wx import

Borich
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Old Oct 22, 2003 | 11:51 PM
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redwrx
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ive got an my93wrx,

if you disconnect your car battery, and leave it disconnected for around 30mins .. then reconnect it.

this will reset your ecu, mate
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Old Oct 23, 2003 | 08:19 AM
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"How to re-set your ECU unit.
ECU clear memory procedure is as follows for auto and manual transmissions:

With engine at operating temperature, turn engine off. Place gear shift lever into park (auto transmission cars only)
Locate the two ECU check connectors, for most cars they are located under the steering column and consist of a black plastic male and female connector, and a green male female connector. The exact location of the connectors varies with the different year models, but generally they are located under the steering column on the drivers side.
NOTE: sometimes they are still taped over with some small amount of plastic tape, so look hard, they will be there!
With the ignition OFF connect black to black and green to green.
Turn on ignition, do not start the engine, (and for auto transmission, cycle the gearshift lever from park to neutral and back to park ), depress the accelerator pedal to full throttle and hold for a few seconds, and then release.
Start engine and then drive for at least one minute, keeping road speed above 11 Km/h.
ECU is now re-set.
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, and should be professionally checked for necessary repairs.
Once, stop the car and turn off the engine.
Disconnect the plugs.
Job complete"

ANY MORE INFO E:MAIL ME

TONY.
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Old Oct 23, 2003 | 12:34 PM
  #4  
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borich
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so can i just disconnnet the battery or do i do the wires thing?
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Old Oct 23, 2003 | 11:03 PM
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try connecting the plus underneat the steering column - its a bit of a job getting into the footwell but you can get the reset done in 5-10 mins rather than wait half an hour with the battery disconnected

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Old Oct 23, 2003 | 11:13 PM
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clicky
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