Note. When exposed to the ignition coil retainer (1) the electrical connector of the harness is disconnected.
Press the ignition coil lock (1) (in the zone «A») (as shown by the arrow).
Disconnect harness electrical connector (in the zone «b») (as shown by the arrow).
Remove ignition coils (up).
Remove the spark plugs.
Install spark plugs (tightening torque 23 Nm).
Install the harness electrical connector and lower the ignition coil retainer to connect the harness electrical connector.