561 065 760 A

Assembly Instructions

Installation of original remote start feature accessory,
Volkswagen Passat
Supplied in the kit:
◆ 1 x Wiring harness remote start feature
with relay housing1)
◆ 1 x Contact switch -F2661)

◆
◆
◆

4 x Plug connectors (4B0 972 623)
1 x Fixing material
1 x Installation instructions

See also Wiring harness remote start feature overview on page 2.

Special tools, test and measuring equipment, and other components required:
◆ Torx driver bits (set)
◆ -VAS 1978- wiring harness repair set
◆ Flat-headed screwdriver
◆ Vehicle diagnosis, measurement and information
system -VAS 505X◆ Side cutters
Accessories2):
◆ Vehicle key with remote start feature (4 buttons plus panic button). For the order use the customer‘s VIN.
2)

not included in the kit, please order separately using the vehicle's spare parts catalogue.

Procedure:
WARNING
Improper installation procedures can cause serious personal injury.
● Installation should be performed only by a qualified technician.
● Read all instructions thoroughly before starting.
● Observe all safety precautions when working under a vehicle.
● Beware of sharp edges to help prevent cuts.
● Always wear safety glasses to help protect eyes.
● Always wear protective gear as gloves and use caution when using hand tools.

WARNING
Using unsuitable or damaged sockets and connecting cables and disregarding accepted safety
practices may cause short circuits, accidents, and serious or fatal personal injury.
● Never use damaged sockets and connecting cables. Check connectors and cables for damage
before use.
● Never allow connectors to come into contact with moisture, water and other fluids.

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◆

◆
◆

Note
The remote start feature can only be retrofitted on vehicles with an automatic transmission and without
keyless access.
The installation of the original retrofitting remote start feature must be carried out by a competent
workshop. Special tools and the accompanying literature specific to the car are required for proper
installation and function. Incorrect installation may damage the vehicle.
Secure the wires so that they cannot come into contact with any rotating or other moving parts and so
that they cannot chafe against any sharp metal or plastic edges.
All rights to make technical changes without notice are reserved.

1

Original retrofitting remote start feature

1.1

Wiring harness remote start feature overview

1 - Additional relay housing
◆ Installation under the vehicle's relay housing
◆ With two relays plugged in
◆ With one empty relay socket
2 - Single wire to the rotary light switch
◆ Black/violet, 0.5 mm² with terminal pin
Label: “rotary light switch Pin A4“
◆ Single wire red, 0.5 mm² with plug connector
3 - Multi-wire cable to the start relay
◆ Red, 4.0 mm² with terminal pin and socket housing
◆ Black, 4.0 mm² with terminal pin and socket housing
4 - Multi-wire cable to the engine control unit
◆ Single wire violett/white, 0.5 mm² with terminal pin
◆ Single wire blue/green, 0.5 mm² with terminal pin
◆ Single wire blue/red, 0.5 mm² with terminal pin
◆ Single wire red/black, 0.35 mm² with terminal pin
◆ Single wire red/white, 0.5 mm² with terminal pin
5 - Multi-wire cable to steering column control unit
◆ Single wire red/violet, 0.5 mm² with terminal pin
Label: “steering column control unit Pin A1“
◆ Single wire red, 0.5 mm² with plug connector
◆ Single wire red/black, 0.35 mm² with terminal pin
Label: “steering column control unit Pin A6“
◆ Single wire black, 0.35 mm² with plug connector
◆ Single wire black, 0.5 mm² with terminal pin
Label: “steering column control unit Pin A14“
◆ Single wire brown, 0.5 mm² with ring eye
Label: “earthing point“
6 - Multi-wire cable to on-board power control unit
◆ Single wire violett/white, 0.5 mm² with plug connector
◆ Single wire black, 0.35 mm² with terminal pin
Label: “BCM_1 Pin C31“
◆ Single wire red/blue, 0.35 mm² with terminal pin
Label: “BCM_2 Pin C14“
◆ Single wire red/white, 0.5 mm² with terminal pin
Label: “BCM_3 Pin C34“

1.2

5

4

3

1

2
VWZ-0267

Installation overview

1 - Steering column control unit -J527◆ installed underneath the steering column
2 - BCM -J519◆ mounted on the relay and fuse box holder
3 - Start relay 1
◆ mounted in the relay and fuse box holder
4 - Rotary light switch
◆ on the driver's side dashboard
5 - Relay and fuse box holder
◆ in the passenger-side footwell
6 - Cable inlet
◆ from the interior to the engine compartment. Please use part
of service/maintenance repair grommet
7 - Engine control unit -J623◆ next to the relay and fuse box holder in the engine
compartment

2

6

7
6
5
4
3
2
1
VWZ-0266

Original retrofitting remote start feature

1.3

Supplied plug connectors
2

1 - 4B0 972 623
◆ 4pc supplied in the kit
2 - 8E0 972 763
◆ part of the wiring harness remote start feature
(see overview)

1

VWZ-0268

1.4

Overview of terminal pins on plug connectors

1.4.1

BCM -J519-:

Note
The three plug connectors on the BCM are different colours and
have different mechanical encodings -arrow-. The numbering on
the plug connectors is identical.

52

42

28

25

29
12

41
24

1

11

VWZ-0052

1.4.2

Steering column control unit -J527-:

9

16

1

8
VWZ-0055

1.4.3

Rotary light switch:
6

10

1

5

VWZ-0060

1.4.4

Engine control unit -J623-:
1 2

7

28

6 73

94

3
5

1.5

Preparatory work

 Disconnect battery.
 ELSA; repair group

VWZ-0054

27
 Disconnect the left dashboard relay housing.
 ELSA; repair group 97
 Remove the engine cover.
 ELSA; repair group 10
 Remove air cleaner.
 ELSA; repair group 23
3

Original retrofitting remote start feature

1.6


Adapt the vehicle wiring harness

Adapt the vehicle wiring harness as shown on the table and tick off every work step in the "Completed"
column of the table.

Component
BCM -J519terminal pins 1.4.1







Steering column control
unit -J527terminal pins 1.4.2

1.7



Adaptation step
Press the terminal pin on the brown plug connector out of
chamber C31 and insulate it.
Press the terminal pin on the brown plug connector out of
chamber C14 and push it into the white plug connector in
chamber B13 until it locks in place.
Press the terminal pin on the white plug connector out of
chamber B29 and insulate it.
Press the terminal pin on the white plug connector out of
chamber B28 and push it into the black plug connector in
chamber A3 until it locks in place.
Press the terminal pin out of chamber A14 and push it into
chamber A7 until it locks in place.

Completed

Additional relay housing

Note
The illustration shows the on-board power control unit -1- in the
left footwell from below.
 Attach the relay housing -2- supplied in kit to the on-board
power control unit -1- and lock it in place.
 ELSA; repair group 97

1
2
VWZ-0057



Identify the vehicle's starter relay 1.
Note

Two relays printed with "645" are mounted on the relay and fuse
box holder. Use the colours of the connecting wires to reliably
identify starter relay 1: red/black wire in chamber 1, black wire in
chamber 3 and red wire in chamber 5.

6

1

4

2

Unlock starter relay 1 and pull it out of the relay socket.
Pull the terminal pin out of chamber A5 on the now empty
connecting socket on starter relay 1.
Lock the pressed out terminal pin A5 into place on the
connector piece included in the kit (red wire).
Pull the terminal pin out of chamber A3 on the now empty
connecting socket on starter relay 1.
Lock the pressed out terminal pin A3 into place on the
connector piece included in the kit (black wire).
Lock the connector into place on the connector housing for the