Volkswagen Golf / Golf GTI / Jetta. Manual — part 81

20-45

Repair

Manual, 2.8
Liter VR6 4V
Fuel Injection
& Ignition,
Engine Code
(s): BDF,
Repair Group
01

8 - EVAP

canister
purge
regulator
valve -
N80-

Installation

position:
Arrow
points in
direction
of flow

Valve

will be
activated
by
engine
control
module
(pulsed)

Checking

function

Page

20-54

Checking

activation:

9 - Test

union

10 - Gravity

valve

11

-

Pressure
retention
valve

12 - Change-

over
valve

Evaporative Emissions (EVAP) system

13 - EVAP

canister

In rear

right
wheel
housing,
behind
wheel
housing
liner

Evaporative Emissions (EVAP) system

20-46

Repair

Manual, 2.8
Liter VR6 4V
Fuel Injection
& Ignition,
Engine Code
(s): BDF,
Repair Group
01

14

-

Leak
Detection
Pump
(LDP) -
V144-

In rear

right
wheel
housing,
behind
wheel
housing
liner

Valve

will be
activated
by
engine
control
module
(pulsed)

Checking

resistance

Page

20-60

Checking

activation:

15 - Air

filter
for LDP

Evaporative Emissions (EVAP) system

20-47

EVAP system, checking for
leaks

Special tools equipment, testers

Note:

All functions which could previously
be performed with VAG 1551/1552
can also be performed with the new
tester VAS 5051.

Test conditions

V.A.G 1551 Scan Tool (or

vehicle system tester V.A.G
1552) with cable VAG 1551/3

Fuses must be OK.

Battery voltage must be at least

11.5 V.

All electrical consumers, e.g.

lights and rear window defroster
must be switched off.

If the vehicle is equipped with air

conditioning, this must be
switched off.

Evaporative Emissions (EVAP) system