My car recently randomly stopped running, Legacy Wagon, 2006, 2.5i, non-turbo, automatic. It ran great one day without a single problem, tried to start it the next day and nothing. If I turned on the ignition, all electronics turned on, but when I turn the key to start it, it wouldn't do anything.
And the key is in the “start” spring position, the starter turns for about 2 secs and then stops turning even though the key is still in the start position.
When turning the key to on position prior to going to start position, one
Can hear the fuel pump turn on, a lot of things around the engine are
Initializing. But when the starter stops turning, it sounds like all engine electrical turn off, not just the starter stopping. If I turn off the key, wait a few seconds and turn it back, I get the same result.
What I've figured out:
But looking at the starter relay, there is a control line from the ECM
That closes the relay to allow power to the starter solenoid. This
Control line goes from closing the relay to opening the relay. So
This points to the ECM is monitoring something or something(s)
So after 2 secs, the ECM disconnects the starter from working
And shuts down the rest of the engine electrical.
One time we were able to get the starter to continuous spin
And yet there was no firing of the engine, like no spark.
The other main problem is the starter relay shows pin 28 and pin 26
Are tied together on the schematic. HOWEVER, the wiring on pins
28 and 26 are different colored wiring so where they come is NOT
The same source so Pin 26 source is not providing 12 v might be
I'm thinking something is causing the ECM to shut down the starter and the electrical on the engine after 2 secs.
What I've done:
Verified that the starter relay is working, the interlock relay is working,
replaced neutral switch & verified it is working, the starter has been removed and bench tested and spins for 30 seconds with no issues.
All lights on dash come on when just turning the ignition to on position.
There are NO codes thrown during all of the above.
Replaced the ECM with exact OEM Subaru part number with no
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