Get Periodic Technical Inspection (PTI) Guide for Volkswagen Taigo SUV First Generation (2021-2025)

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

6

00 Periodic Technical Inspection

(PTI)

Note

♦ The following information is provided on the basis of the

Commission Implementing Regulation (EU) 2019/621 and is

intended solely as information for the regular roadworthiness

testing of motor vehicles.

♦ The information on maintenance is provided as usual in the

corresponding maintenance tables, and the activities to be

performed are described in detail in the “Maintenance Man‐

ual”.

6. 00 Periodic Technical Inspection (PTI)

191

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

It Description Method

Necessary information

e

m

I. Vehicle-

1 specific de‐

scription of

the location

of and ac‐

cess to the

vehicle in‐

terface

Location of vehicle inter‐

face ⇒ page 193

I. Information

2 on whether

the specific

system

individual systems are in

general compatible with

diagnostics. For further

information on this sub‐

ject for the respective

items, refer to

supports

diagnostic

procedures

(yes/no) If

yes:

Location of vehicle inter‐

face ⇒ page 193

I. Vehicle-

2 specific

. bus system

1 and proto‐

col specifi‐

cations

Implemented bus sys‐

tems:

♦ LIN

♦ CAN

♦ Most

♦ Flex-Ray

Implemented protocols:

♦ UDS (Unified Diag‐

nostic Services)

Standardisation: ISO TP

(LAH.5G0.042.B)

I. Vehicle-

2 specific

. communi‐

2 cation pa‐

rameter

Implemented protocols:

♦ UDS (Unified Diag‐

nostic Services)

specifica‐

tions for

tested sys‐

tem/tested

function

I. Vehicle-

3 specific in‐

formation

about the

originally

installed

The original status of

the vehicle (as delivered)

can be obtained via the

PR number.

Please follow document

path:

system

♦ Identify vehicle by

VIN

♦ Select vehicle data

♦ Identify PR number

1 Brake system

.

1 Mechanical

. condition

1 and func‐

tionality

1 Parking

Visual inspection of General description of

. brake, op‐ all components dur‐ electromechanical park‐

1 erating lev‐ ing operation of

ing brake

. er, ratchet brake system

6

♦ Electromechanical

parking brake ⇒ page

192

6. 00 Periodic Technical Inspection (PTI)193

♦ ⇒ Brake system; Rep.

gr. 46; Assembly

overview – parking

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

General description of electromechanical parking brake

Electromechanical parking brake

In the case of electromechanical parking brakes, the conven‐

tional handbrake lever is replaced by a switch.

The electromechanical parking brake is operated by two electric

motors, which act on the rear disc brakes via a gear mecha‐

nism. The mechanical components are designed to hold the

parked vehicle securely even if the on-board power supply is

lost.

Warning lamps in the dash panel insert and in the button indi‐

cate whether the parking brake is activated. In addition, the

activation of the brake is accompanied by an operating sound.

The electromechanical parking brake is easy to operate via the

button and offers additional convenience and safety functions,

such as the dynamic pull-away assist system and the Auto Hold

function.

Auto Hold function

The Auto Hold function prevents the vehicle from rolling away

unintentionally when stationary or when starting off, without the

need to permanently apply the brake.

The system is operated by the ABS/ESC hydraulic unit. If the

vehicle is braked to a standstill, the last brake pressure is stored

by Auto Hold. The driver can remove the foot from the brake

pedal, and all four wheel brakes will still remain applied.

If the ABS wheel speed sensors detect a rolling motion, the

braking torque is automatically increased until the vehicle

comes to a standstill again.

This can happen, for example, when the driver brakes gently

on a gradient. As soon as the driver accelerates again and lets

go of the clutch (for vehicles with a manual gearbox), the brake

will again be released by Auto Hold. For safety reasons, the

function must then be reactivated using a button to the left of

the gear lever.

Electronic vehicle interface

Note

Ensure that the selected vehicle diagnostic tester is used only

with the respective diagnostic cable.

6. 00 Periodic Technical Inspection (PTI)

193

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

The connection for the diagnostic tester -1- is located in the

lower left section of the dash panel -2-.

Steering system check

Prerequisite:

The steering wheel must be moved in the same direction as the

desired direction of vehicle travel. The angle at which the steer‐

ing wheel is held must at all times correspond to the steering

angle of the front wheels.

“Checking the steering system in the course of the periodic

technical inspection”

Test method:

Visual inspection to ensure continuous alignment of the angle

at which the steering wheel is held with the resulting steering

angle of the front wheels

Prerequisites for testing:

Put vehicle ready into operation, and wait for system to be

checked.

Test sequence:

Bring steering wheel to straight-ahead position. Then turn it

180° to the left, then 360° to the right and finally 180° to the left

again.

Test result OK:

The resulting steering angle at the front wheels continuously

corresponds to the steering angle at which the steering wheel is

held.

194

6. 00 Periodic Technical Inspection (PTI)

Periodic Technical Inspection (PTI) for Your Volkswagen Taigo SUV First Generation (2021-2025)

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