AUTOMOTIVE ELECTRICIANS PORTAL - FZCO

Alfa Romeo 156 2.4 JTD 20v da 04/98 a 02/99 – PREPARATION FOR “TELEPASS” ® – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Alfa Romeo 156 2.4 JTD 20v  da 04/98 a 02/99 – PREPARATION FOR “TELEPASS” ® –  – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION
Wiring diagram

Components
Component codeNameAssembly reference
B1Junction unit5505A
C30Left rear earth5505A
D76TELEPASS" connection"-
D76TELEPASS' connection'-
H1Ignition switch5520A
Location of components

Components
Component codeNameAssembly reference
B1Junction unit5505A
C30Left rear earth5505A
D76TELEPASS" connection"-
D76TELEPASS' connection'-
H1Ignition switch5520A
DescriptionFor the first time special preparation is available for the installationof the "TELEPASS" device (Italian market only).This communcations system pays motorwaytolls without the need to stop at a paybooth. An electronic devicefitted to the car emits a sound pulse that is picked up by a receiveron the paybooth, through which the car drives at moderate speedbut without stopping.The option takes the form of a specificrear view mirror that contains housing for this electronic devicein addition to device wiring. The device is operated when the ignitionkey is turned to MAR.The above lines are protected by a fusein the junction unit.
Functional description The connection for the TELEPASS device D76 consists ofa supply controlled by the ignition (INT) (pin 1) coming from theline for fuse F1 of the junction unit B1 and a connection(pin 3) to earth C30 .

Junction unit



B1A



B1A



B1B



B1B



B1B



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1D



B1E



B1E



B1E



B1F



B1F



B1G



B1G



B1G



B1G



B1H



B1H



B1I



B1I



B1I



B1I



B1I



B1I



B1I



B1J



B1J



B1J



B1J



B1J



multi-function components



5505A10


769

5505A16


769

5505A18


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213238830-7040G24switch for facia compartmentlight - r+r3238829-7040G20facia compartment light bulb holder - r+r3238795-7040A31flap assembly - r r1. Undo the bolts.2. Move the integrated service control unit slightly.3. Disconnect the electrical connections (3a, 3b, 3c).2018617

5505A30


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Remove components obstractingaccess to earth carrier node.1. Unscrew screw.2. Disjoin earth carrier node.2018618

5505A38



Left rear earth



C30



C30



C30



C30



TELEPASS" connection"



D76



Ignition switch



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1A



H1B



H1B



H1B



H1B



H1B



H1B



ignition switch



5520A12


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213238121-4110A11steering wheel - r+rfor replacement or check for versions with air bag3238793-7040A26steering column trim - r+r3238476-5550A12complete stalk unit - r+r for versions with air bag1. Disconnect electric connection from ignition switch.2. Unscrew screws (2a) and remove starter switch (2b). 2018661

5520A14


769

5520A16


769

5520A18


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Unloose fixing screws and removesteering column guide.1. Detach down-lead cable.2018668