Workshop Manuals Factory service & repair Alfa Romeo
01 145 electrical system diagnosis02 146 electrical system diagnosis03 ABS, Alfa Romeo Code and engine management
Alfa Romeo 145/146 Electrical System Diagnosis Manual, Volume 3 (1994-2001)01 · 145 electrical system diagnosis
01 · Diagnostics

Anti-theft device

Make
Alfa Romeo
Model
145/146 Electrical System Diagnosis Manual, Volume 3
Year
1994–2001
Section
Electrical components › Anti-theft device
145 electrical system diagnosisAnti-theft device

ANTI-THEFT DEVICE

For the description and diagnosis see "Electric system Diagnosis".

REMOVAL/REFITTING CONTROL UNIT-SIREN

  • Disconnect the battery (-) terminal.
  • Remove the luggage compartment protective trim (see GROUP 70).
  1. Remove the trim just enough and slacken the two screws fastening the alarm system control unit-siren support bracket.
Control unit-siren with electrical connections and support bracket
  1. Disconnect the two electrical connections and remove the control unit-siren complete with support bracket.
  2. On the bench, if necessary, separate the control unit-siren from the support bracket.

REMOVAL/REFITTING RECEIVER FOR REMOTE CONTROL AND VOLUMETRIC SENSORS

  • Disconnect the battery (-) terminal.
  1. Working on the points illustrated, remove the receiver and volumetric sensor support plate.
Illustrates removal of unit-siren from support bracket
Luggage compartment with receiver-sensor assembly
  1. Disconnect the connection and remove the receiver-sensor assembly complete with plate.
  2. On the bench, slacken the two fastening screws and separate the plate from the receiver - volumetric sensors.

REMOVAL/REFITTING BONNET OPEN DETECTION SWITCH

  • Disconnect the battery (-) terminal.
  1. Disconnect the electrical connection, remove the upper finishing, then prise and remove the switch complete with wiring from its housing.
Illustrates removal of door mirror housing assembly
Bonnet open detection switch with wiring

Parts & tools for this job For 1994 Alfa Romeo 145/146

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.