ignition VOLKSWAGEN GOLF 2009 Workshop Manual

California Proposition 65 Warning
nect 2 vehicle batteries to each other when the ignition is switched on or the engine is
tem or electronic components.
violet rays may damage the battery housing.
dam-aged by freezing . Warning light
on
Alterna tor malfun ction .
W he n t he igni tion i s sw itched on, severa l wa rnin g
a n d i ndi cato r li g ht s
come on brie fly for a functio n
check . They go out after a few seconds.
Failure to heed warning
Faci lity . H av e the
e le c tric al sys tem checked. o ff unn ecessa ry electrica l loads . The ve-batt ery
to h ee d warning or text can result in vehicle damage.

Charging,
on page 238.
Charging the vehicle battery
Vehicle batteries should be charged by an author­
ized Volkswagen dealer or an authorized Volkswa­
gen
because the factory -installed
battery requires a charger with overload protection
Replacing the vehicle battery
The battery in your vehicle is
batteries meet­
ing standards TL 825
electrical system, note the following :
off
Unlock the vehicle before disconnecting the
battery; otherwise the alarm system
Fir st disconnect the negativ e cable(-) and then the positive
Connecting the vehicle battery
Pr ior to reconnecting the battery , switch off electrical sys tems and devices and the ignition .
Connect the posit ive cable(+) first and then the
negative cable (-)
After the battery is connected and the ignition is
sw itched on, different indicator light s may come on. They should go out after you drive a short distance
ice Facility and have the checked.
th e ign ition not start after reconnecting the vehicle battery , lock the vehic le from the outside
and unlock it again. Then try to start the ignition
again.
lhe ignition cannot be switched on, con­
tact an authorized Volkswagen dealer, an author­
ized Volkswagen
o r another quali­
fied workshop for assistance.
Automatic electrical load deactivation
onboard electrical system management auto mati ­takes steps to help prevent battery drain.
The idle speed is increa sed so that the alterna­
t o r provides more power.
Th e power to devices that consume a lot of electricity is cut back or switched off completely.
When the engine is started, the power supply to the 12
Long periods when the engine is not running,
especially when the ignition is on .
Using electr ical sys tems or devices when the
engine is swi tched off. Leaving the
The selecto r lever is left for a long period of time in any position other than P when the ignition
is swi tched off =>page 175.
Failure to use th e proper battery with proper mounting and connection s may cause short circu its, fires, and serious persona l injuries.
Always use only maintenance-free or cy-
cle-free, leak-proof batteries with the sa me
s p ec ifications and dimensions as the original
equipment b attery. Specifications are listed
on the battery housing.
Wh en the vehicle battery is ch arged, it produ-
ces highly explosive hydroge n gas.
th e engine compartment

Never disconnect the vehicle battery when
th e ignition switched on or the engine is run­ning, as the electrical system or electronic components can be damaged .
socket in order to charge the vehicle
batt ery . This can damage the vehicle's electri­
cal
syst e m .
Dispose of the battery according to regulations . batteries contain poison­
ous substa nces such as sulfuric acid and lead .
Battery acid can pollute the environment. Catch leaking operating fluids and dispose of
them properly.

Engine
In this sectio n yo u 'll find informatio n about
Indicato r lights ............... ........... 295
Cata lytic co nverter
..... 296
More information:
Sh ifting gears 171
Refueling 214
Fuel 219
Engine oil
Vehicle ba ttery
N otice about data recorded by vehic le co ntr ol
modu les
T owing 330
The vehicle exhaust system and the catalytic
converter get very hot. This can cause a fire
and serious personal injury.
Never apply additional undercoating or rust proofing on or near the exhaust mani-fold, exhaust pipes, catalytic converter , or heat shields .
Proposition 65 Warning
constituents,
and certain vehicle components contain or emit chemicals known to the
addition, certain fluids contained in vehicles and certain products of component wear contain or emit chemicals
known to the
on page 295.
L
ights up Possibl e ca use Proper respon se
Engine contr
ol malfunctio n (Elec tron ic Pow -Have engi
ne checked immediat ely by an au-
er
Contr ol). thor
ized Volkswage n dea ler or aut hor ized Volks-
wagen Fa cility .
Engine contr ol/ monitoring system
malfunc- E
ase off the accelerator . Carefully drive to the
lion (engine Malfunction Indicator Light- n
ea rest auth orized Volkswagen dealer or au-MIL) thorized
Volkswagen Facility . Ha ve en-
gine checked .
Flashes Possible cause Proper response
Ease
off the accele rator. Caref ully drive to the Misfire , which can damage th e catalytic con-
nearest authorize d Volkswagen dealer or au-.
thorized Volkswagen Service Faci lity. Have en-
gine checked .
When
the ignition is switched severa l warning
and indicator ligh ts come on briefly for a func tion
check . The y
go out after a few seconds . Failure to h
eed warning lights or text WARN-
can result
Vehi cle care and maint enance

up a warning triangle or other warning device in order to alert other motorists and cyclists.
9. Let the engine cool down and get expert assistance if necessary .
are on, use the turn
Traffic suddenly slows down or stops in front of you to warn those approach ing from behind .
any emergency situation.
When being towed.
Always obey traffic laws that govern the use of
emergency
the emergency are not working, a
Disregarding the safety-related checklist may
lead to accidents and serious personal ries.
accepted safety practices and use common sense.
Do it yourself
The vehicle exhaust system and the catalytic converter get very hot. They can cause fires and serious personal injury.
The vehicle battery be drained if the emergency flashers are on for a long time -
even if the ignition is switched off.

Fuses
Introduction
this sec tion find information about:
Fuses in the vehicle
..................... 318
Repla cing blown
fuses . . . . . . . . . . . . . . . . . . . 319
Due to on go ing deve lopmen t of the vehic le , of fuses and the bin ed fuse protection of multiple loads with one
fuse , an up-to -date overview of the fu se locat ion per load is not possible at the time of print ing . tailed information regarding fuse box layou t is from auth orized Volkswagen dealers and
author ized Vol ksw agen
ge neral , one fuse can protect several loads. load can also be protected by seve ral fuses .
Find out why the fu se blew and correct the
lem before replacing a blown fuse . placed fuse blows again after a s hort time , the
e lec tr ic al system should be chec ked by an auth o r­
ized Volkswagen deale r o r an autho rized Volkswa­
gen
F acility .
More information:
Prepa ration s for working in the engine compart­
ment
High volta g e systems in the engin e
tronic ignition system.
Using the wrong fuse, using a blown fuse
that has been repaired , and using metal ob-jects in plac e of fuses to complete the electri-connection in the circuit can cause fires
and serious p erson al injury.
with a fuse of the same amperage (same or and same imprint) and same
Never replace fuses with a metal strip , a
paper clip, or a similar objec t.
To help preven t damage to the electrical
system , switch off ail lights and accessories ,
switch off the ignition , and remov e the key from the ignition switch before replacing a fuse .
ferent loca tions In the electrical system.
A single load (a sin gle elec trica l com ponent )
fuse may pro tect several loads (seve ral electrical co mp one nts ). Prac tic al tip s 317

Fig. 167 o f a blown fuse.
tory information and heed the WARN­on page 317.
Preparations
off the headlights . the ignition , and electrical consumers .
the appropriate fuse box
167.
a flashlight on th e fuse. This makes it easier
t o
165 fro m the fuse box cover .
For small fuses, slide the tweezers 168 onto the fuse from the top A. Fig
. 168 Removing
or inserting a fuse using the
p lastic tweezers .
For larger fuses, slide the tweezers onto the
f use from the side B.
the fuse is blown , replace the fuse with a new fuse of the same amperage (same color and same
impri nt) and same overall size
necessary, replace the plastic tweezers in the
fuse box cover .
Replace the cove r.
Practica l tips

N
After replacing a headlight bulb or other light bulb, always make sure that the rubber covers or plastic caps have been properly and secure-
Indicator light
to help prevent water from getting into the electrical connections and headlight housing and damaging the electrical system.
on
Lights up Possible cause Proper response
Light bulb of the exterior vehicle lighting not Replace the light bulb that isn't working .
working .
When the ignition is switched on, several warning
and indicator lights come on briefly for a function
check . They go
out after a few seconds.
WARNING
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to break down in traffic and result in a
can result in vehicle damage.
indicated. However, indicator light come on if LEO s fail.
on
Checklist
for replacing a light bulb. Please carry out these steps only in the order listed
1.
179.
3.
4.
5.
6 .
7.
8.
9 .
position
122 .
Automatic transmission :
the transmission into Park (P) 171.
the engine and remove the key from the ignition switch 165.
Manual transmission: Engage a gear
122.
Let the burned
out light cool down.
Check
if the fuse is blown 317 .
Replace the burned
out light according to
Practical tips 321

{continued)
the non-insulated parts of the
battery clamps to touch.
the jumper cable attached to the positive battery terminal to contact metal parts of the vehicle.
Using jumper cables
Fig . 17 8 Diagram for attaching the jumper cables:
Dead battery and booste r
on page 327.
The dead battery must be properly connected to
the vehicle's electr ical system .
Make ce
rtain tha t the vehicles are not touchi ng
each other. Otherwise , electric curr ent could flow
as soo n as the positive terminal
s(+) are connec t­
ed. Use longer jumper cables if necessary .
Th e clamps on the jumper cables must have good
con tac t to bare metal on
the battery termina ls.
the engine does not start, stop the process after seconds and repeat after about1 minute.
cle electrical system, read and heed the
Connecting jumper cable s improperly can
ca use a short circuit and do ex pen sive dama ge to the vehicle's electrical system .
Switch off the ignition in both vehicles 165.
necessary , open the battery cover in the
At tach one end of the red jumper cable to t he
po sitive terminal 178 of the dead tery : Battery
Attach the othe r end of the red ju mper cable to the positive terminal of the good battery
(booster battery):
Atta ch one end of the black jump er of the booste r battery: 178 .
Attach the other end of the black jumper to a bare meta l part of the vehicle with the dead battery. This part shou ld be connected
dire ctly to the eng ine blo ck.
Route the jumper cables so that they cannot
ge t ca ught in any moving parts in the engine com-
partment of e ith er vehic le.

the engine
the engine of the vehicle with the good
battery that is providing help and let it run at idle
speed .
Turn on the ignition of the vehicle with the dead
b attery. the engine starts, wait 2 to 3 minutes
the engine does
not start within about seconds , turn off the tion and wait at least 1 minute ; then try again .
Removing the jumper cables
Before you remove the jumper cables. swi tch
off the headlights (if they are on) .
the vehic le with the dead batte ry , switc h on
t he heater fa n and the rea r window defroster. This
he lps
to m in im ize voltage spikes when the cables
a re disconnected.
With the engine running , remove the jumper
nected .
Disconnect the black (- ) cab le f rom the vehicle
wit h the dead battery .
Disconnec t the black (-) cable from the other
vehicle (vehicle with the good battery) .
Disconnect the red(+) cable from the other
Disconnect the red (+ ) cable from the vehicle
with the dead battery .
Close the battery cover.
Improper use of jumper cables when starting a vehicle with a dead battery can
cause the battery to explode , leading to
Always wear proper eye protection. Never
lean over the vehicle battery.
Attach the jumper cables in the correct
Never connect the negative cable from the
vehicle providing starting assistance to parts of the fuel system or to the brake hoses or brake lines.
Never
sistance.
Avoid electrostatic discharge in the may cause the hydrogen gas escaping from the vehicle battery to ignite.
Never jump-start a vehicle with a battery
that is damaged or frozen or that was frozen
and has thawed. The battery can explode.
Always the instructions of the jumper cable manufacturer.
Never connect the negati ve cable from the other vehicle directly to the negative terminal of the dead battery . The hydrogen gas from
the battery is explosive.
Never short out the battery terminals by connecting the positive(+) and negative
Practical tips 329