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.
4.20
Boots: inspecting
– Check outer and inner boots -arrows- for leaks and damage.
– Ensure clamps -1- are fitted on boots.
4.21
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
Display.
– Carefully remove protective film on Head-up Display.
4.22
High-voltage battery: checking charge
level
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:
Note
♦ 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.
4.23
Maintenance of high-voltage battery
The high-voltage battery maintenance programme includes de‐
4. Descriptions of work
81
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤
Maintenance - Edition 12.2020
Tiguan eHybrid
If the charge level display indicates 1/4 or <1/4, the high-volt‐
age battery has to be charged until the charge level display
indicates 1/2 at least.
4.24
High-voltage battery: charging
Note
♦ 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.
4.25
Hybrid components: inspect for dam‐
age to high-voltage components and
wires.
WARNING
High voltage in the hybrid vehicle's high-voltage system! Risk
of electric shock! Before commencing any work, inspect high
voltage components in working area. Observe the safety
notes ⇒ 4-cyl. injection engine (hybrid); Rep. gr. 00; Safety
notes.
♦ All work on vehicles with high-voltage system must only
be carried out by persons who are at least qualified as
“electrically instructed person (EIP)”.
♦ In the event of conspicuous findings or uncertainties, con‐
tact your responsible high-voltage technician or specialist
electrician!
Carry out visual check
During visual check in area of engine compartment, note power
and control electronics for electric drive, high-voltage cables for
battery and air conditioner compressor, as well as high-voltage
cable for electric drive motor and high-voltage charging socket
in front left wing.
When inspecting the underbody, note the hybrid battery and the
high-voltage cables for battery.
Pay attention to the following during inspection:
♦ The high-voltage components must not reveal any external
damage.
♦ Insulation of high-voltage cables must not be defective or
damaged.
♦ Pay attention to unusual deformations of high-voltage ca‐
bles.
Note
Defects which are found must be immediately reported to the
responsible high-voltage technician.
82
4. Descriptions of work