Volkswagen Golf / Golf GTI / Jetta. Manual — part 1144

96-26

Rear Lid Handle Unlock Switch
-E234- - Jetta Wagon, removing
and installing

Removing

CAUTION!

Before beginning repairs on the
electrical system:

Switch off all electrical
consumers.

Switch ignition off and remove
ignition key.

- Removing inner rear lid trim

Repair Manual, Body Interior,

Repair Group 70

- Disconnect multi-connector -1-

- Remove rear wiper motor

Page

92-33

.

Installing

Install in reverse order of removal.

- Remove screws -arrows-.

- Remove switch upwards.

Interior lights and switches

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96-27

Anti-theft Immobilizer

General information

Golf/Jetta/GTI models from m.y. 2000 are

equipped with an anti-theft immobilizer system.

Immobilizer functions supported by:

control electronics ("control module") integrated

with instrument cluster

a warning light for anti-theft immobilizer -K117-

in instrument cluster (speedometer display)

an adapted Engine Control Module (ECM)

an induction coil on the ignition lock

Adapted ignition keys with electronic

components (transponder and response reader
memory)

Malfunction recognition and Diagnostic

Trouble Code (DTC) display via warning light
for anti-theft immobilizer -K117-

An intact immobilizer system is indicated by the

warning light for anti-theft immobilizer -K117-
lighting up and going out after approx. 3 seconds
when the ignition is switched on.

When the ignition is switched "on", the warning

lamp flashes or lights up continuously to indicate
a malfunction in the system when:

Adapting the ignition key has been carried out

incorrectly

Anti-theft Immobilizer

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96-28

No transponder (response reader memory) is

present in ignition key.

An unauthorized ignition key is used.

An unauthorized engine control module is

detected.

A malfunction in the induction coil of anti-theft

immobilizer -D2-.

A malfunction in the data wiring is present.

The warning light for anti-theft immobilizer -

K117- does not light up after switching on
ignition:

The immobilizer control module has detected

an authorized key.

The immobilizer control module has not

detected an incorrect engine control module.

The immobilizer control module is currently

"adapting keys" and after adapting the keys no
malfunction has occurred.

To troubleshoot, perform On Board Diagnostic

(OBD) program and retrieve stored information
with VAS 5051 Vehicle Diagnostic, Testing and
Information System in mode "Guided Fault
Finding"

Anti-theft Immobilizer

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Anti-theft Immobilizer On Board
Diagnostic (OBD), function

If malfunctions occur in sensors and

components being monitored, they will be
stored in the Diagnostic Trouble Code (DTC)
memory together with an indication of the
type of malfunction.

A maximum of 4 DTCs can be stored

simultaneously.

Sporadic malfunctions are automatically

cancelled if they are not repeated in next 50
engine starts.

On Board Diagnostic of the anti-theft

immobilizer system is to be carried out using
the VAS 5051 Vehicle Diagnostic Testing
and Information System in mode "Guided
Fault Finding"

Anti-theft Immobilizer

13/2/2005