Ignition Overview

Fig 1: Ignition Overview

Courtesy of AUDI OF AMERICA, LLC

1. 4-Pin Harness Connector
   • For the ignition coil
2. Bolt
   • 9 Nm
3. 3-Pin Harness Connector
   • For Camshaft Position (CMP) sensor
4. Camshaft Position (CMP) Sensor
   • CMP sensor -G40-
   • CMP sensor 3 -G300-
   • Removing and installing, refer to Camshaft Position Sensor -G40- / Camshaft Position Sensor 3 -G300- 
5. O-ring
   • Replace if damaged
   • Coat with clean engine oil
6. Bolt
   • 20 Nm
   • Tightening specifications affect function of Knock Sensor (KS)
7. Knock Sensor
   • Knock Sensor (KS) 1 -G61-
   • Knock Sensor (KS) 2 -G66-
   • The contact surfaces between the knock sensor and cylinder block must be free of corrosion, dirt and grease.
   • Removing and installing, refer to Knock Sensors -G61- / Knock Sensors 2 -G66- 
8. Spark Plug
   • 30 Nm
   • Removing and installing with the spark plug removal tool 3122 B.
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-
   • Removing and installing, refer to IGNITION COILS 

Fig 2: Engine Speed Sensor -G28- Tightening Specification

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1- to 5 Nm.

Fig 3: Ignition Coil Connectors - Tightening Specification

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts -arrows- to 5 Nm.