Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Maintenance03 Diagnosis – checks04 Engine (1.6 and 2.0 Twin Spark)05 Clutch06 Gearbox (manual and Selespeed)07 Front axle08 Brakes, ABS and traction control09 Steering10 Suspension and wheels11 Heating, air conditioning and washers12 Electrical equipment13 Body14 Body panels and reinforcement15 Wiring diagrams16 Connectors and pin-outs17 Wiring harnesses18 Fault diagnosis19 Special tools
Alfa Romeo 147 Factory Service Manual (2000-2002)13 · Body
13 · Body & interior

Door lock/release

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2002
Section
Passenger compartment front side door › Door lock/release
BodyDoor lock/release

DOOR LOCK/RELEASE

DOOR LOCK/RELEASE
  • A - Front lock pin-out
  • B -Rear lock pin-out (without microshunt)
  • 1M - front insulated motor brush to facia control unit PIN 18 (communication on body computer)
  • 2M - from insulated motor brush to facia control unit PIN 16 (communication on body computer)
  • 2d from microshunt to body computer PIN 24
  • 3d from microshunt to body computer PIN 34
  • 4 earth
  • 6 from microswitch to body computer PIN 35

The front door catches contain a microshunt and a microswitch fitted to the handles (exterior and interior). These are mechanically connected to the electric motors that operate door lock/release.

Lock control: position of microshunt contacts:

  • from 4 - 2d was previously closed and now opens
  • to 4 - 2d was previously open and now closes.

Release control: microshunt contact position:

  • from 4 - 3d was previously closed and now opens
  • to 4 - 2d was previously open and now closes.

Door open indicator microswitch on control panel: microswitch contact position:

  • 1st click door open contacts 6 - 4 closed,
  • 2nd click door closed contacts 6 - 4 open.

Parts & tools for this job For 2000 Alfa Romeo 147

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