Pro
te
c
t
ed
b
y
co
p
y
rig
h
t.
C
o
p
y
in
g
fo
r
pr
iv
a
t
e
o
r
c
o
m
m
e
r
c
ia
l
p
u
rp
o
s
e
s
,
i
n
p
a
rt
o
r i
n
w
h
o
le
,
is
n
o
t
p
e
r
m
it
t
e
d
u
n
l
e
s
s
a
ut
ho
r
i
s
ed
b
y
V
olk
sw
a
ge
n AG
.
V
olk
s
w
a
g
en
AG do
es
n
ot g
uar
ante
e
or a
c
c
ep
t
a
ny
li
a
b
i
li
t
y
w
ith
r
e
s
p
e
c
t
t
o
th
e
c
o
rr
e
c
t
n
e
s
s
o
f
in
fo
r
m
a
tio
n
in
th
is
d
o
c
um
en
t.
C
o
py
rig
ht b
y
V
olk
sw
a
ge
n
A
G.
– Connect diagnosis cable connector to EOBD connection.
Visual check of exhaust emissions warning lamp with ignition
switched off:
– Switch on ignition.
– Perform visual check of exhaust emissions warning lamp.
– If lamp lights up, press button “Lamp On” -arrow C-.
Note
If the exhaust emissions warning lamp does not light up during
visual check, the result of the exhaust emissions test is “Failed”.
Visual check of exhaust emissions warning lamp while engine is
running:
– Start engine and confirm engine running on display with “Yes”.
– Perform visual check of exhaust emissions warning lamp. The
lamp must not light or flash.
– Confirm exhaust emissions warning lamp condition -arrow-.
It is automatically switched to test for readiness of operation.
It is checked here if all tests for readiness of operation supported
by the control unit have been performed.
Conditioning:
In the conditioning phase the engine and, if necessary, the emis‐
sion control systems are brought to operating temperature by
throttle bursts and are prepared for the exhaust emissions test.
– Follow instructions on display.
– Maintain engine speed in required engine speed range.
If no conditioning is necessary, press the
→
button -arrow- to pro‐
ceed to the next measurement.
Reading engine temperature:
The engine temperature is read via the diagnostic connector of
engine control unit.
When the required engine temperature is reached, it is automat‐
ically switched to display for measuring the idling speed.
Measuring idling speed:
Golf 2013 ➤
Maintenance - Edition 10.2012
5. Exhaust emissions test
115