Jump starting
Fig. 194 How to c
onnect the jump leads.
1
Positive battery terminal on the vehicle
being jump-started.
2
Positive battery terminal on the vehicle
tha
t is giving the jump start.
3
Suitable earth connection: Preferably
the jump-start c
onnection point (earth
connection), otherwise a solid metal
part which is securely bolted onto the
cylinder block, or the cylinder block it-
self.
The jump leads must be connected only in
the order A – B – C – D → Fig. 1
94.
1. Switch o the ignition in both vehicles.
2. If present, fold open the cover of the
positive jump-start connection point
(+) → Fig. 194
1 , → .
3.
Connect one end of the red jump lead
to the positive jump-start connection
point (+) in the vehicle with the dis-
charged 12-volt vehicle battery.
4. Connect the other end of the red jump
lead to the positive terminal (+) of the
vehicle providing assistance
→ Fig. 194
2 .
5.
Connect one end of the black jump lead
preferably to a ground jump-start con-
nection point (–) → Fig. 194
3 on the
vehicle with the 12
-volt vehicle battery
that is supplying power.
Or: if there is no earth jump-start con-
nection point (–), connect the end of
the black jump lead to a solid metal
part that is bolted securely to the cylin-
der block or to the cylinder block itself
on the vehicle with the 12
-volt vehicle
battery that is supplying power
→ Fig. 194
3 .
6
. Connect the other end of the black
jump lead to the earth jump-start con-
nection point (–) on the vehicle with
the discharged 12-volt vehicle battery
→ Fig. 194 , →
.
Or: if there is no earth jump-start c
on-
nection point (–), connect the end of
the black jump lead to a solid metal
part that is bolted securely to the cylin-
der block or to the cylinder block itself
on the vehicle with the discharged 12-
volt vehicle battery → Fig. 194
3 .
7
. Position the leads in such a way that
they cannot come into contact with any
moving parts in the bonnet space.
Starting the engine
1. Start the engine of the vehicle providing
assistance and let it run at idle.
2. Wait a few minutes and then start the
engine of the vehicle with the dis-
charged 12-volt vehicle battery. If the
engine does not start immediately,
switch o the starter aer about
10 seconds and try again aer about
1 minute.
Please contact an expert if the vehicle’s en-
gine still will not start.
Removing the jump leads
1. Before disconnecting the jump leads,
switch o the dipped beam headlights.
2. Turn on the air conditioning system or
the heating and fresh air system blower
and the rear window heating in the ve-
hicle with the discharged 12-volt vehicle
battery. This helps to minimise voltage
peaks which are generated when the
leads are disconnected.
3. When the engines are running, the jump
leads should be removed only in the or-
der D – C – B – A → Fig. 194.
4. If fitted, close the cover to the positive
jump-start connection point (+) or the
positive terminal on the 12-volt vehicle
battery.
Jump starting
321
2KF012720AE
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