Audi A4 Ecm Relay

The ecm power relay is one of the most important relays as it provides power for the vehicle s computer system.

Audi a4 ecm relay.

Finally found my ecm relay location. Ignition auxiliary circuits relay. F2 10a rear window blind circuit breaker. This i have tested.

The ecm relay also has a second large wire that also gets power from the power 30 terminal. It s 3 layers deep under the tcm under the ecm in the. Brake servo vacuum pump relay if fitted 5. Fuse box in engine compartment.

Relay box audi a4 b6. For audi a4 b5 audi s4 1994 1995 1996 1997 1998 1999 2000 2001 model year. 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.

Power steering control module servotronic if fitted 3. 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. Without it the entire engine management system will be disabled and the vehicle will not run. 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.