Workshop Manuals Factory service & repair Fiat
01 00 General information and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 27 Axle06 33 Braking system07 41 Steering08 44 Suspension and wheels09 50 Auxiliary units10 55 Electrical equipment11 70 Bodywork12 Diagnosis13 Tests14 Wiring diagrams
Fiat Seicento Factory Service Manual (1998-2010)12 · Diagnosis
12 · Diagnostics

A05 Alarm LED does not work

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
Alarms › A05 Alarm LED does not work
DiagnosisA05 Alarm LED does not work

A05 Alarm LED does not work

When the alarm is operated the check LED does not flash

Step Validity Operation to be performed Test results
OK ⚠ 🔧
1 CHECK WITH DIAGNOSTIC TOOL All OK Problems found Intervention
Connect the diagnostic tool (Examiner or other tool) to the diagnostic socket. Check in sequence:
– no errors in the alarm ECU
– all parameters are plausible
Go to Step 2 No dialogue between the diagnostic tool and the ECU or receiver. Restore connection between ECU and diagnostic socket
(Wiring diagram E7015 “ALARM”)
Error detected in ECU or receiver Continue as shown by the diagnostic tool.
2 ACTIVE DIAGNOSIS WITH THE DIAGNOSTIC TOOL All OK Problems found Intervention
Perform the following LED operation active test with the diagnostic tool (Examiner or other tool). Go to Step 3 LED not working Restore:
– connection between alarm ECU and LED
– LED earth
(Wiring diagram E7015 “ALARM”)
or replace LED OP. PROCEDURE 5580E18
3 CHECK CORRECT OPERATION All OK Problems found Intervention
Check the fault has been repaired. End of test Fault persists Replace the alarm ECU OP. PROCEDURE 5580E46

Parts & tools for this job For 1998 Fiat Seicento

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