Ignition System: Service and Repair

Ignition System Components Assembly Overview





1 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).

• Use the puller for ignition coil (T10095A) for removal. Refer to => [ Ignition Coils with Power Output Stages ] Service and Repair.

2 Electrical Connector

• 4 pin.

• Use the assembly tool (T10118) to disconnect. Refer to => [ Ignition Coils with Power Output Stages ] Service and Repair.

3 Bracket

• For the harness connector of the Knock Sensor (KS) 1.

4 Bolt, 10 Nm

5 Electrical Connector

• Black, 3 pin.

• Terminals of the sensor and connector are gold plated.

6 Knock Sensor (KS) 1 (G61)

• Terminals of the sensor and connector are gold plated.

• Component location: Cylinder block, exhaust side.

7 Bolt, 20 Nm

• Tightening specification affects the function of the KS.

8 Exhaust Camshaft Adjuster

• With sensor wheel for the Camshaft Position (CMP) sensor 2.

• if the camshaft adjuster has been removed, adjust the valve timing. Refer to => [ Valve Timing, Adjusting ] Adjustments.

9 Timing Chain Cover

• Removing and installing, refer to => [ Timing Chain Cover Assembly Overview ] Timing Chain Cover Assembly Overview.

10 Seal

• Always replace.

11 Camshaft Position (CMP) Sensor 2 (G163)

• For the exhaust camshaft.

• Terminals of the sensor and connector are gold plated.

12 Bolt, 10 Nm

13 Electrical Connector

• Black, 3 pin.

• Terminals of the sensor and connector are gold plated.

• Mark the connector before removing.

14 Camshaft Position (CMP) Sensor (G40)

• For the intake camshaft.

• Terminals of the sensor and connector are gold plated.

15 Knock Sensor (KS) 2 (G66)

• Terminals of the sensor and connector are gold plated.

• Component location: Cylinder block, intake side.

16 Electrical Connector

• Black, 2 pin.

• Terminals of the sensor and connector are gold plated.

17 Intake Camshaft Adjuster

• With sensor wheel for the CMP sensor.

• If the camshaft adjuster has been removed, adjust the valve timing. Refer to => [ Valve Timing, Adjusting ] Adjustments.

18 Spark Plug

• Remove and install using the spark plug removal tool (3122 B).

• Type, tightening specification and electrode gap, refer to => [ Spark Plug Technical Data ] Spark Plug Technical Data.

19 Control Housing

• For camshaft adjustment.

• Removing and installing, refer to => [ Camshafts ] Service and Repair.