9.2.1 Functions .............................................................................................................................................................................................255

9.2.2 Structure ..............................................................................................................................................................................................255

9.2.3 Operative procedures ..........................................................................................................................................................................256

9.2.4 Overview of fundamental operations ...................................................................................................................................................259

9.2.5 Code system programming and component management..................................................................................................................260

9.2.6 Procedures for replacing components .................................................................................................................................................261

9.2.7 NTR diagnostic procedures .................................................................................................................................................................262

9.3 ON-BOARD INSTRUMENTS ........................................................................................................................................... 266

9.3.1 HIGH and MEDIUM instrument panels ................................................................................................................................................266

9.3.2 BASIC instrument panels.....................................................................................................................................................................268

9.3.3 Notions on the Service function ...........................................................................................................................................................269

9.4 COMPUTERISED SYSTEMS........................................................................................................................................... 272

9.4.1 Connect NAV+ .....................................................................................................................................................................................272

9.4.2 CONNECT button (A) ..........................................................................................................................................................................275

9.5 TYRE PRESSURE DETECTION SYSTEM ...................................................................................................................... 276

9.5.1 Overview ..............................................................................................................................................................................................276

9.5.2 Structure ..............................................................................................................................................................................................276

9.5.3 Operation .............................................................................................................................................................................................277

9.5.4 TPMS deactivation...............................................................................................................................................................................277

9.5.5 Tyre pressure monitoring system ........................................................................................................................................................278

9.5.6 Initiator .................................................................................................................................................................................................278

9.5.7 Control unit...........................................................................................................................................................................................278

9.5.8 Operating details..................................................................................................................................................................................278

9.5.9 Key-on/key-off strategies .....................................................................................................................................................................279

9.6 PARKING ASSISTANCE.................................................................................................................................................. 280

9.6.1 Notions for calculating distance from obstacles...................................................................................................................................280

9.6.2 Structure ..............................................................................................................................................................................................281

9.6.3 Electronic control unit ..........................................................................................................................................................................281

9.6.4 Ultrasound sensors ..............................................................................................................................................................................281

9.6.5 Buzzers ................................................................................................................................................................................................281

9.6.6 Switching the system on and off ..........................................................................................................................................................281

9.6.7 Coverage area .....................................................................................................................................................................................282

9.6.8 Diagnostics ..........................................................................................................................................................................................282

9.6.9 Component characteristics ..................................................................................................................................................................282

9.6.10 ECU pinout.........................................................................................................................................................................................283

9.6.11 Ultrasound sensor..............................................................................................................................................................................284

9.7 AIRBAGS ......................................................................................................................................................................... 284

9.6.1 Overview ..............................................................................................................................................................................................284

9.7.2 Airbag system diagram ........................................................................................................................................................................284

9.7.3 Knee airbag modules ...........................................................................................................................................................................285

9.7.4 Front seat belt pretensioners ...............................................................................................................................................................286

9.7.5 Front seat belt reminder sensors .........................................................................................................................................................286

9.7.6 Airbag system warning lights ...............................................................................................................................................................286

9.7.7 Airbag system failure warning light ......................................................................................................................................................287

9.7.8 Passenger airbag deactivated warning light ........................................................................................................................................287

9.7.9 Seat belt reminder................................................................................................................................................................................287

9.7.10 Clock contact pinout...........................................................................................................................................................................288

9.8 FRONT LIGHT CLUSTER (

9.8.1 Xenon bulb...........................................................................................................................................................................................291

9.8.2 Rear headlight view .............................................................................................................................................................................292

9.8.3 Wiring diagram and optical cluster connector pinout ...........................................................................................................................292

9.8.4 Automatic headlight position corrector.................................................................................................................................................292

9.8.5 Adjustment actuator .............................................................................................................................................................................293

9.8.6 Self-diagnostics....................................................................................................................................................................................294

9.8.7 Recovery..............................................................................................................................................................................................294

9.8.8 Resetting..............................................................................................................................................................................................294

10. CLIMATE CONTROL SYSTEM .........................................................................................................................295

10.1 CLIMATE CONTROL SYSTEM OVERVIEW .................................................................................................................. 295

10.2 MANUAL CLIMATE CONTROL SYSTEM ...................................................................................................................... 295

10.2.1 Structure ............................................................................................................................................................................................295

10.2.2 Operation ...........................................................................................................................................................................................295

10.3 SUPPLEMENTARY HEATER......................................................................................................................................... 295

10.3.1 Operation ...........................................................................................................................................................................................295

10.4 ONE-ZONE CLIMATE CONTROL SYSTEM................................................................................................................... 296

10.4.1 One-zone climate control system wiring diagram ..............................................................................................................................297

10.5 TWO AND THREE-ZONE AUTOMATIC CLIMATE CONTROL

10.5.1 Two-zone system...............................................................................................................................................................................298

10.5.2 Front two/three-zone controls ............................................................................................................................................................298

Traccia Didattica Alfa 159-en-ridotta

ALFA 159 TRAINING MATERIAL

XENON GAS DISCHARGE VERSION

) .............................................................................................. 290

SYSTEM ................................................................ 298

7/318

Fiat Auto S.p.A.

After Sales Training

Table of Contents