Audi A4 Ecm Relay

Finally found my ecm relay location.

Audi a4 ecm relay.

But i am sure the ecm relay is working correctly. Brake servo vacuum pump relay if fitted 5. 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. 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. Horn relay dual tone. 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. 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.

I am not sure if this goes back to the ecu or some were else. Relay box audi a4 b6. Ignition auxiliary circuits relay. The ecm relay also has a second large wire that also gets power from the power 30 terminal.

F2 10a rear window blind circuit breaker. Without it the entire engine management system will be disabled and the vehicle will not run. A new relay fixed the problem and the car started right up. It s 3 layers deep under the tcm under the ecm in the.