lock AUDI A4 1995 B5 / 1.G AFC Engine Knock Sensors Checking Workshop Manual

28-29


Knock sensors, checking

Notes:

To functionally check knock sensors Repair
Group 01, Read measuring value block, display
group 015 and/or 016.

Component locations page 28
-1 .

Knock sensors can not be checked electrically,
check DTC memory page 01
-13
.

Use connector insertion tool 3247 for knock
sensor removing and installing.
It is important that exact knock sensor
tightening torque of 20 Nm (15 ft lb) be
maintained to make sure that there is proper
knock sensor function.
Visually check the knock sensor connector for
corrosion.
When repairing or replacing knock sensor
connector terminals, ONLY replace with gold
plated terminals.

Checking knock sensor wiring
Pa
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