Q7 Quattro V6-3.6L (BHK) (2007)
-
Remove the Ignition Coils with Power Output Stage (N70, N127, N291, N292, N323, N324) electrical harness bolts.
-
Disconnect the Ignition Coils with Power Output Stage (N70, N127, N291, N292, N323, N324) electrical harness connectors from the Ignition
Coils with Power Output Stage (N70, N127, N291, N292, N323, N324).
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 Engine Control Module (ECM) Power Supply Relay (J271) terminal 2/87 for
an open circuit.