How do i read codes?

[Camelwagon]

I have an 85 GL wagon and in the engine bay near the windshield, there are no white single-pole connectors... so what do I have to connect to read codes? Thanks.

[Turbone]

The plugs are under the steering column next to the ECU. Need to connect the green plugs to read them.

ECU Codes

[Camelwagon]

So both green together? And it wasnt quite clear how to clear them?

Thanks.

[Camelwagon]

So both green together? And how do i know what mode to be in, as in "test" or whatever other ones there were. And it wasnt quite clear how to clear them?

Thanks.

[Turbone]

The green connectors together for test mode. Then find the black connectors, this is the dealer check mode. Once you check these, connect both together, I think this will clear the codes. If it doesnt, just disconnect the battery overnight.

[Camelwagon]

Ok so now my ECS light comes on when i drive, and wont go away, I checked the codes by connecting the 2 green connectors but it doesnt show any code, all it shows is a 7 and a 3, which means its a 4x4 Cali car... I'll try to clear it tomorrow. Very weird. Now maybe I know why it didnt have a bulb for the ECS slot. Thanks.

[Camelwagon]

I checked and I only have green connectors under the dash, no black or brown. Where are they supposed to be at? Thanks.