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Alfa Romeo 156 Factory Service Manual (1997-2002)16 · Fault diagnosis
16 · Diagnostics

K60 Abs failure warning light on

Make
Alfa Romeo
Model
156 Factory Service Manual
Year
1997–2002
Section
Instruments › K60 Abs failure warning light on
Fault diagnosisK60 Abs failure warning light on

K60 Abs failure warning light on

During starting, the ABS failure warning light comes on and remains on for more than 4 seconds.

(after carrying out the initial control unit test, the warning light should go out, ...)

NOTA: Under these circumstances it is possible that the wheels may lock when the brakes are operated sharply because the ABS system is temporarily deactivated.

StepTest procedureResultAction
1CHECK WITH DIAGNOSTIC EQUIPMENT

Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket

Check:

  • that there are no faults in the ABS control unit
  • plausibility of all the parameters
OK

Move onto step 2

An error is detected in the control unit
  • Continue according to the instructions for the diagnostic equipment

End of diagnosis

Lack of dialogue with the control unit

End of diagnosis

2CHECK INSTRUMENT SUPPLY CHECK

NOTE: The ABS warning light is equipped with an interior control circuit that ensures the warning light is properly connected to the control unit.

Check the connection between ABs control unit and check control instrument.

(Wiring diagram E7020 ABS ).

OK

Move onto step 3

Connections not correct
  • Restore the connections

End of diagnosis

Instrument not working

End of diagnosis

3CHECK 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 For 1997 Alfa Romeo 156

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