A3 Quattro V6-3.2L (BUB) (2008)
Checking voltage supply
-
Switch the ignition on.
-
Using a Multimeter, check the Ignition Coil electrical harness connector terminals 1 to 4 for voltage.
Specified value: battery voltage.
-
Switch the ignition off.
If the specified value was not obtained:
-
Check the Ignition Coil electrical harness connector terminal 1 to the Motronic Engine Control Module (ECM) Power Supply Relay (J271 )
terminal 2/87 for an open circuit.
Specified value: 1.5 ohms Max.
If the specified value was not obtained:
-
Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
-
Check the wiring connection for damage, corrosion, lose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If the specified values were obtained:
Checking activation