Ignition System: Service and Repair

Ignition Assembly Overview






1 - Ignition coil connector

• 4-pin

2 - Bolt

• 10 Nm

3 - 3-pin harness connector

4 - Camshaft Position (CMP) 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

5 - O-ring

• Replace if damaged

• Coat with engine oil

6 - Bolt

• 20 Nm

• Tightening specifications affect function of Knock Sensor (KS)

7 - Knock sensors

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

• Knock Sensor (KS) 1 (G61) cylinder bank 1

• Knock Sensor (KS) 2 (G66) cylinder bank 1

• Knock Sensor (KS) 3 (G198) cylinder bank 2

• Knock Sensor (KS) 4 (G199) cylinder bank 2

• Removing and installing, refer to => [ Knock Sensors ] 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)