Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Engine (Twin Spark, JTD and V6)03 Clutch04 Gearbox (manual, Selespeed and Q-System)05 Front axle06 Brakes, ABS and traction control07 Steering08 Suspension and wheels09 Heating, air conditioning and washers10 Electrical equipment11 Body12 Body panels and reinforcement13 Wiring diagrams14 Connectors and pin-outs15 Wiring harnesses16 Fault diagnosis17 Special tools
Alfa Romeo 156 Factory Service Manual (1997-2002)10 · Electrical equipment
10 · Electrical

System components

Make
Alfa Romeo
Model
156 Factory Service Manual
Year
1997–2002
Section
Special accessories › System components
Electrical equipmentSystem components

System components

The car may be fitted with an electronically-controlled safety system that sets off the front seat belt pretensioners and the driver's air bag, passenger air bag and sidebags in the case of frontal and/or side impact of a certain severity.

The passenger Air Bag can be deactivated:

manually, by means of a special switch,

automatically by a sensor located in the seat (only up to 5/99).

The system consists of the following components:

Electronic cotnrol unit

driver Air Bag

Passenger side air bag

Left belt pretensioner

Right belt pretensioner

switch for disabling passenger Air Bag

Sensor for automatically disabling passenger side Air Bag (only up to 5/99)

The system is connected with the:

Diagnostic socket for checking the system with the Examiner or other diagnostic equipment

Warning light in the instrument panel for signalling faults

Warning light in the instrument panel for indicating passenger Air Bag disabled.

The system components are interconnected and are connected to the rest of the electrical equipment by means of special wiring which can be easily recognized as it has a yellow coloured outer casing.

there are two possible configurations for the system.

the standard configuration, fitted as standard, where there is a driver's Air Bag and two pretensioners.

the complete configuration, which is optional and where there is also a passenger Air Bag and disabling devices.

Warning: carefully observe the safety regulations when working on the Air Bag system. For further details see PROCEDURES 5580C

System components
  • 1, Electronic control unit
  • 2, Driver's Air Bag
  • 3, Passenger Air Bag
  • 4, Left seat belt pretensioner
  • 5, Right seat belt pretensioner
  • 6, Switch disabling passenger Air Bag
  • 7, Passenger air bag automatic disablement sensor
  • 8, Diagnostic socket for checking the system
  • 9, Warning light in the instrument panel for signalling faults
  • 10, Warning light in the instrument panel for signalling passenger Air Bag disabling

Refer to the illustration

Parts & tools for this job Staging For 1997 Alfa Romeo 156

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