Guys, I seem to have lost my magna manual PDF :cry: and I wanna find out if I have any fault codes lodged in my ECU at the moment.

Can anyone tell me which pin on the connector under the steering column I need to earth and when I need to earth it (before turning the key, or after?) to get the check engine light to flash a fault code for me in a TJ?

Bah. You guys suck. Lucky I found the manual.

FYI, earth pin 1 of the 16 pin diagnostic connector, turn the ignition to ON and observe the pretty flashing light.