Engine light on

I was just driving on the motorway when the engine light came on theres nothing wrong with the way the car is running but i would like to find out why the light is on is there any way i can check the codes myself

thanks

K11 or K12?

not sure Its a micra s 1.0L made in 2000

Found the info on another site and now its hear if you need it





Accessing

- Switch the ignition on
- Bridge data link connector terminals IGN and CHK

(IMAGE TO COME VERY SOON)

- Wait 2 seconds
- Disconnect the bridge
- Count the Flashes (some models will display the codes on the ECM)

- Long flashes = tens
Short flashes = units
Short pause separates each flash
Long pause separates each code

- Switch ignition off to finish

Erasing

- Switch on ignition
- Bridge terminals IGN and CHK
- Wait 2 seconds
- Disconnect Bridge
- Check fault LED for flashes
- Bridge terminals IGN and CHK
- Wait 2 seconds
- Disconnect Bridge
- Switch ingnition off
- Follow access procedure to ensure nothing remains in the memory

Trouble Codes

11 - CMP sensor/CKP sensor - intermittent signal
12 - MAF sensor - circuit malfunction
13 - ECT sensor - circuit malfunction
21 - Ingition signal - circuit malfunction
28 - Engine coolant blower motor malfunction
34 - Knock sensor - circuit malfunction
41 - IAT sensor - circuit malfunction
43 - TP sensor - circuit malfunction
55 - No fault