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Re: need some dbw help
Posted: Thu Jun 02, 2022 4:38 am
by Replica_rs4
I have interesting detail to add, vbat only showing 7.3 v vs 12v ish with voltmeter at ecu power pins.
Re: need some dbw help
Posted: Thu Jun 02, 2022 9:21 am
by stevieturbo
If vbat at the ECU is only 7v, quite clearly that is a major problem.
Find out why. Something with the wiring is amiss.
Exactly where did you measure 12v ?
Re: need some dbw help
Posted: Thu Jun 02, 2022 3:04 pm
by Slowie
These ECU's aren't known for reading battery voltage that accurately, but 7V is wrong. Hope something didn't get damaged.
You could perhaps try swapping the DBW wires to H-Bridge 3 or 4 (Slaveout 5+6 or slave out 7+8), to see if the h-bridge is damaged.