Audi A4 Ecm Relay

Without it the entire engine management system will be disabled and the vehicle will not run.

Audi a4 ecm relay.

Relay box audi a4 b6. For this reason if you suspect that your ecm power relay may be having an issue have the vehicle inspected by a professional technician such as one from yourmechanic to determine if the relay should be replaced. Power steering control module servotronic if fitted 3. I am not sure if this goes back to the ecu or some were else.

Finally found my ecm relay location. It s 3 layers deep under the tcm under the ecm in the. The ecm power relay is one of the most important relays as it provides power for the vehicle s computer system. This i have tested.

The ecu relay is located in the front boot compartment on the left hand side of the car arrowed the relay its self can be removed carefully by pulling it upwards away from it s socket whilst holding down relay 80 the fuel pump relay at the same time. So far i know that the ecu gets constant always on 12v at pin 62 switched power at pin 3 and grounds are pins 1 2. For audi a4 b5 audi s4 1994 1995 1996 1997 1998 1999 2000 2001 model year. The ecm relay also has a second large wire that also gets power from the power 30 terminal.

But i am sure the ecm relay is working correctly. Brake servo vacuum pump relay if fitted 5. A new relay fixed the problem and the car started right up. Ignition auxiliary circuits relay.