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)16 · Fault diagnosis
16 · Diagnostics

P01 Front door closing faulty

Make
Alfa Romeo
Model
156 Factory Service Manual
Year
1997–2002
Section
Doors › P01 Front door closing faulty
Fault diagnosisP01 Front door closing faulty

P01 Front door closing faulty

When the central locking is operated using either the key or the remote control or from the inside using the safety knob, one of the front doors does not close properly.

If a door does not shut properly, when the central locking is operated, the four dooes may close and then reopen after a few moments

StepTest procedureResultAction
1CHECK DOOR LOCK STRIKER

Check that the lock striker is fixed correctly

OK

Move onto step 2

Striker incorrectly secured

End of diagnosis

2KEY OPERATION CHECK

Check that the door opens / closes properly using the key

OK

Move onto step 3

Faults in the control rods
  • Re-engage the linkages correctly on the external handle and lock Op. 7005C42

End of diagnosis

Lock not fixed correctly

End of diagnosis

3CHECK KNOB OPERATION

Check that the door opens / closes correctly when the safety knob is operated

OK

Move onto step 4

Faults in the safety rod
  • Restore the correct attachment of the safety rod to the lock Op. 7005C67

End of diagnosis

Lock not fixed correctly

End of diagnosis

4CHECKING HANDLE BUTTON OPERATION

Check that the door opens / closes correctly when the outer button is operated (with the safety lock not on)

OK

Move onto step 5

Faults in the control rods
  • Re-engage the linkages correctly on the external handle and lock Op. 7005C42

End of diagnosis

Lock not fixed correctly

End of diagnosis

5CHECK OPERATION OF INTERNAL HANDLE

Check that the door opens / closes correctly when the internal handle is operated

OK

Move onto step 6

Faults in internal handle linkages
  • Re-engage the linkage correctly on the handle Op. 7005C55

End of diagnosis

Faults in the control rods
  • Re-engage the linkage correctly on the lock Op. 7005C51

End of diagnosis

6CHECK CORRECT OPERATION

Check that the fault is no longer present

OK

End of diagnosis

Fault persists

Incorrect selection of diagnostic procedure

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

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