lk
Touareg 2003 ➤
8-cylinder injection engine - Edition 11.2011
28 – Ignition system
1
Repairing ignition system
General notes on ignition system
♦ For trouble-free operation of electrical components, a voltage
of at least 11.5 V is necessary.
♦ Certain tests may lead to a fault being detected by the control
unit and stored. Therefore after completing all checks and re‐
pairs the fault memory must be read and if necessary cleared.
Assembly overview - parts of ignition system ⇒ page 157
Safety precautions ⇒ page 158 .
Spark plug test data ⇒ page 159 .
Removing and installing ignition coils with output stage
⇒ page 158 .
1.1
Assembly overview - parts of ignition system
1 - Connector for knock sensor
❑ Secured to fuel rail with
retaining tab.
2 - Knock sensor 1 -G61-
❑ Gold-plated contacts on
sensor and connector.
❑ Line to knock sensor se‐
cured to coolant pipe.
3 - 20 Nm
❑ The specified torque in‐
fluences the function of
the knock sensor.
4 - Hall sender 2 -G163-
❑ For inlet camshaft bank
2.
❑ Gold-plated contacts on
sensor and connector.
5 - 10 Nm
6 - 25 Nm
7 - Washer
❑ Conical.
❑ Note installation posi‐
tion.
8 - Screen
❑ For Hall sender.
❑ When installing note fix‐
ing arrangement.
9 - Ignition coil with output
stage -(N70, N127, N291,
N292, N323, N324, N325,
N326)-
❑ Remove and install only with puller -T40039- .
1. Repairing ignition system
157
English 