Operation CHARM: Car repair manuals for everyone.

Ignition System: Service and Repair






Ignition, Assembly Overview






1 10 Nm

2 Spark plug wire

4 8

with interference suppression connector and spark plug connector

Remove and install spark plug connectors only with extractor (T10112)

3 Spark plug, 25 Nm

Removing and installing with spark plug removal tool (3122 B)

Type and electrode gap => [ Test Data and Spark Plugs ] Specifications

4 20 Nm

Tightening specifications affect function of knock sensor

5 Knock sensor 1 (G61)

Contacts gold plated

6 Connector

Black, 2-pin

Contacts gold plated

7 Camshaft position sensor (G40)

Overview of component locations => [ Component Locations Overview ] Component Locations Overview

8 Connector

Black, 3-pin

For Hall sender (G40)

9 Connector

For the ignition coil

10 Ignition coil

With ignition coil 1 with power output stage (N) and ignition coil 2 (N128) with power output stage (N122)

Overview of component locations => [ Component Locations Overview ] Component Locations Overview

Ignition wire connection

A = Cylinder 1

B = Cylinder 2

C = Cylinder 3

D = Cylinder 4