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Table of Contents > Descriptions of work > Battery (12V): checking battery terminal clamps for secure seating

VW Tiguan 2021 Service Maintenance Manual ➜ Battery (12V): checking battery terminal clamps for secure seating

Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
– Switch on ignition.  
– Warning lamp “PASSENGER AIRBAG OFF” -arrow- goes  
out after self-test (passenger airbag activated).  
– Switch off ignition.  
4.5  
Battery (12V): checking battery termi‐  
nal clamps for secure seating  
4.5.1  
12 V battery in engine compartment:  
checking battery terminal clamp for  
firm seating  
Special tools and workshop equipment required  
♦ Torque wrench  
Note  
A securely seated battery terminal clamp ensures trouble  
free function and long service life of the battery.  
When securing terminal clamp, ensure that it is completely  
seated on battery terminal.  
NOTICE  
If the battery clamp is not seated securely on the positive  
terminal, disconnect battery earth strap at battery negative  
terminal first, to prevent possible accidents.  
– Open cover of heat shield sleeve -4-.  
52  
4. Descriptions of work  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
– Check battery -3- for secure seating. If necessary, retighten  
bolt -2- to specified torque.  
– Open cover -4- over battery negative terminal.  
– If fitted, open cover -3- on battery positive terminal.  
– Check battery terminal clamps -1- and -5- for secure seating.  
If necessary, retighten nuts -2- and -6-.  
Specified torque  
Nm  
6
20  
Nut for battery terminal  
Bolt for securing bracket  
Carry out following procedures after connecting battery:  
Procedure  
⇒ Electrical system; Rep. gr. 27; Battery; Disconnecting and  
connecting battery  
4. Descriptions of work  
53  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
4.5.2  
12 V battery in luggage compartment:  
checking battery terminal clamp for  
firm seating  
Special tools and workshop equipment required  
♦ Torque wrench  
Note  
A securely seated battery terminal clamp ensures trouble  
free function and long service life of the battery.  
When securing terminal clamp, ensure that it is completely  
seated on battery terminal.  
NOTICE  
If the battery clamp is not seated securely on the positive  
terminal, disconnect battery earth strap at battery negative  
terminal first, to prevent possible accidents.  
– Remove luggage compartment floor towards rear.  
– Check battery terminal clamp -1- for secure seating. If nec‐  
essary, retighten nut -2-.  
54  
4. Descriptions of work  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
– Open cover -2- over battery positive terminal.  
– Check main fuse carrier with battery terminal clamp -4- for  
secure seating. If necessary, retighten nut -5-.  
– Check battery -1- for firm seating. If necessary, retighten bolt  
-arrow- to specified torque.  
Specified torque  
Nm  
6
20  
Nut for battery terminal  
Bolt for securing bracket  
Carry out following procedures after connecting battery:  
Procedure  
⇒ Electrical system; Rep. gr. 27; Battery; Disconnecting and  
connecting battery  
4.6  
Battery (12V): checking with battery  
tester (always refer to workshop man‐  
ual)  
The following are measures to be carried out during a battery  
inspection within the scope of maintenance.  
Procedure  
1.  
2.  
Visual check.  
Check whether colour indicator is “3-colour” or “2-colour”.  
Does not apply to AGM batteries.  
3.  
4.  
Battery check using battery tester with printer -VAS 6161-.  
Depending on the result of the battery test, “perform cur‐  
rent draw test” (charged separately).  
⇒ Electrical system, General information; Rep. gr. 27; Checking  
battery  
4.7  
Status of battery (12V): reading - send‐  
ing diagnosis protocol via online con‐  
nection  
Note  
Applies only to vehicles with start/stop and energy recovery  
system  
Procedure  
The battery status is read while the transportation mode is be‐  
ing switched off ⇒ page 162 .  
4.8  
Tyres: checking condition, wear pat‐  
tern, tyre pressure and tread depth  
Checking condition of tyre ⇒ page 56 .  
Checking wear pattern ⇒ page 56  
Tread depth (including spare wheel): check ⇒ page 57 .  
General notes ⇒ page 57  
4. Descriptions of work  
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