Table of Contents > Descriptions of work > Fault memory of all systems: reading with vehicle diagnostic tester

VW Tiguan 2021 Service Maintenance Manual ➜ Fault memory of all systems: reading with vehicle diagnostic tester

Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
Electric windows: checking positioning  
(open and close functions)  
The automatic opening and closing features for the electric  
windows do not function after disconnecting and reconnecting  
the battery. Therefore, before a new vehicle is delivered, the  
window regulators must be reactivated. Once the windows have  
been reactivated, the battery must not be disconnected again.  
After batteries have been disconnected and reconnected the  
roll-back function of the electric window regulators is disabled.  
Severe pinching injuries could result!  
Carry out the following procedure to position the electric window  
The following work description applies to the front left window  
regulator. Reactivate the other window automatic functions in  
the same manner by operating the respective switch in the  
driver door.  
– Switch on ignition.  
– Close all doors and windows completely.  
– Pull up button for window regulator and hold in this position  
for at least one second.  
– Release button, pull it up again and hold.  
The one-touch opening and closing function is now ready for  
It is possible to re-establish the position of one or more window  
regulators at the same time.  
– Switch off ignition.  
Fault memory of all systems: reading  
with vehicle diagnostic tester, correct‐  
ing possible faults according to repair  
– Read event memory ⇒ page 31 .  
– Repair all faults according to repair guidelines.  
The vehicle must always be delivered to the customer with  
event memory cleared.  
4. Descriptions of work  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
Static faults  
If one or more static faults are found in the event memory,  
we recommend seeking agreement from the customer to rectify  
these faults using Guided Fault Finding.  
Sporadic faults  
If only sporadic faults or notes are stored in the event memory  
and the customer has no complaints regarding the vehicle elec‐  
tronic system, erase event memory.  
Boots: inspecting  
– Check outer and inner boots -arrows- for leaks and damage.  
– Ensure clamps -1- are fitted on boots.  
Head-up display (HUD): removing pro‐  
tective film  
Switching on Head-up Display  
The transport mode must be switched off.  
– Press control next to light switch to switch on the Head-up  
– Carefully remove protective film on Head-up Display.  
High-voltage battery: checking charge  
Checking charge level of high-voltage battery  
Charge level display of high-voltage battery is located in instru‐  
ment cluster.  
The charge level must be determined for the first time on vehi‐  
cle delivery:  
The high-voltage battery must be charged to at least 80% at  
pre-delivery inspection.  
During subsequent service inspections, the high-voltage bat‐  
tery will be charged fully only if requested by the customer.  
Maintenance of high-voltage battery  
The high-voltage battery maintenance programme includes de‐  
termining the battery charge level ⇒ page 81 and, depending on  
4. Descriptions of work  

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