Ignition System: Service and Repair

Ignition Assembly Overview






1 - Ignition Coil Connector

• 4-pin

2 - Bolt

• 10 Nm

3 - 3-Pin Connector

4 - Camshaft Position Sensor

• Camshaft position sensor (G40) cylinder bank 1

• Camshaft position sensor 3 (G300) cylinder bank 1

• Camshaft position sensor 2 (G163) cylinder bank 2

• Camshaft position sensor 4 (G301) cylinder bank 2

• Removing and installing, refer to => [ Camshaft Position Sensor ] Service and Repair

5 - O-ring

• Replace if damaged

• Coat with clean engine oil

6 - Bolt

• 20 Nm

• Tightening specifications affect function of Knock Sensor

7 - Knock Sensors

• Contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease

• Knock sensor 1 (G61) cylinder bank 1

• Knock sensor 2 (G66) cylinder bank 1

• Knock sensor 3 (G198) cylinder bank 2

• Knock sensor 4 (G199) cylinder bank 2

• Removing and installing, refer to => [ Ignition Coils ] Service and Repair

8 - Spark Plug

• 30 Nm

9 - Ignition coil

• Ignition coil 1 with power output stage (N70)

• Ignition coil 2 with power output stage (N127)

• Ignition coil 3 with power output stage (N291)

• Ignition coil 4 with power output stage (N292)

• Ignition coil 5 with power output stage (N323)

• Ignition coil 6 with power output stage (N324)

• Ignition coil 7 with power output stage (N325)

• Ignition coil 8 with power output stage (N326)

• Removing and installing, refer to => [ Ignition Coils ] Service and Repair

• To remove, use the ignition coil puller (T40039)