ECM Question

**primo537** · 06-05-2008 12:27 PM

Does anyone know or have a diagram of the pin layout of the ECM or the connectors that go into it?

I’m trying to figure out what wire the ECT(engine control temperature) sensor is so i can splice it.

By the way I have a 98 1.8T FWD automatic.

Thanks

**Nebone** · 06-05-2008 12:56 PM

Splice it at the sensor.

**primo537** · 06-05-2008 02:51 PM

I would, but the sensor, connector and the wires have been coroded with coolant. You can see in the picture the coolant residue comming off the smaller ecm connector.

Correct me if im wrong, but i thought there was only one wire going to the ECM and the other going to the instrument cluster, and the other 2 for ground.

Why is there 2 terminals with coolant residue?