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)02 · 146 electrical system diagnosis
02 · Diagnostics

N

Make
Alfa Romeo
Model
145/146 Electrical System Diagnosis Manual, Volume 3
Year
1994–2001
Section
Key to components › N
146 electrical system diagnosisN

N

  • N12 Headlamp washer timer
  • N13 Hazard warning lights and direction indicators intermittence
  • N14 Electronic windscreen wiper intermittence
  • N25 Rear fog guard electronic device
  • N31 Fuel warming device
  • N38 Power window control unit
  • N45 Anti-theft device control unit
  • N51 Hydraulic unit with ABS control unit
  • N60 Sun roof control unit
  • N65 E.G.R. control unit
  • N67 Remote control signal receiver
  • N77 ALFA ROMEO CODE control unit
  • N78 ALFA ROMEO CODE receiver
  • N83 Fuel level signal damper
  • N85 Additional heater control unit

O SERVICES

  • O1 Heated rearscreen
  • O2a High tone horn
  • O2b Low tone horn
  • O4 Car radio
  • O5a RH front loud-speaker
  • O5b LH front loud-speaker
  • O5c RH rear loud-speaker
  • O5d LH rear loud-speaker
  • O6 Cigar lighter - current socket
  • O14 LH front seat heater
  • O17 RH front seat heater
  • O18 RH wing mirror defroster
  • O19 LH wing mirror defroster
  • O22 Additional engine fan resistance
  • O27 K.S.B. device
  • O28 DIM-DIP Resistance
  • O31a RH Tweeter loud-speaker
  • O31b LH Tweeter loud-speaker
  • O38 Additional heater glow plugs

P ELECTRIC MOTORS

  • P1 Windscreen wiper motor
  • P2 Engine cooling fan
  • P2a Engine cooling fan
  • P2b Engine cooling fan
  • P8 LH wing mirror motor
  • P9 RH wing mirror motor
  • P10 Front RH door lock motor
  • P11 Front LH door lock motor
  • P12 Rear RH door lock motor
  • P13 Rear LH door lock motor
  • P14 Front RH power window motor
  • P15 Front LH power window motor
  • P16 Rear RH power window motor
  • P17 Rear LH power window motor
  • P18 Electric fuel pump
  • P19 Windscreen and rearscreen washer pump
  • P20 Headlamp washer pump
  • P21 Rearend wiper motor
  • P24 Sun roof motor
  • P35a RH headlamp aiming motor
  • P35b LH headlamp aiming motor

Q HEATING/VENTILATION - AIR CONDITIONING

  • Q1 Heater fan
  • Q4 Heater fan control
  • Q5 Heater fan speed adjustment resistance
  • Q9 Minimum pressure switch
  • Q11 Compressor electromagnetic coupling
  • Q12 Compressor electromagnetic coupling cut-off thermal contact
  • Q20 Min. and max. sensor pressure contact
  • Q21 Climate control system control unit
  • Q22 Electromagnetic coupling relay
  • Q24 Outside temperature sensor
  • Q25 Treated air temperature sensor
  • Q26 Antifrost sensor
  • Q27 Air recirculation flap control motor
  • Q30 Air mixing control motor
  • Q31 Climate control electronic regulator
  • Q32 Auxiliary relay for heating and ventilation
  • Q33 Passenger compartment air temperature sensor
  • Q34 Required air adjustment control
  • Q39 Fuse for conditioning system - 30 A
  • Q41 Set of relay and fuses for air conditioner
  • Q42 Conditioner fan delay device
  • Q65 Fuse for conditioning system-7.5 A
  • Q66 Fuse for conditioning system-3A
  • Q67 Compressor disengagement control unit
  • Q68 Compressor and air recirculation engagement switches
  • Q69 Heater fan 1st speed relay
  • Q71 Antifrost thermostat
  • Q72 Fast defrosting switch
  • Q73a Air recirculation relay
  • Q73b Air recirculation relay

R SAFETY DEVICES

  • R22 Airbag control unit
  • R23 Capsule on steering wheel for airbag
  • R27 Passenger's side airbag capsule
  • R30 Passenger present sensor for Air Bag
  • R31 LH Side Bag sensor
  • R32 RH Side Bag sensor
  • R33 LH Side Bag capsule
  • R34 RH Side Bag capsule

S ELECTRONIC INJECTION

  • S3 Elettroinjectors
  • S5 Air flow meter
  • S7 Engine temperature sensor
  • S11 Electronic injection control unit
  • S12a Fuel pump relay
  • S12c Timing variator relay
  • S12e Air flow meter relay
  • S13 Timing sensor
  • S20 Pinging sensor
  • S28 Injection control relay
  • S29 Idle adjustment actuator

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.