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Fiat 500 Factory Service Manual (2007-2024)22 · Fault diagnosis
22 · Diagnostics

Mil warning light on (engine does not start)

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Instrument panel › Mil warning light on (engine does not start)
Fault diagnosisMil warning light on (engine does not start)

MIL WARNING LIGHT ON (ENGINE DOES NOT START)

1.2 8v, 1.3 Multijet, 1.4 16v

The engine control unit warning light stays on. The CODE warning light goes on and off.

N.B.: If the CODE warning light goes off, this means that the communication between both control units has been successful.

Test results
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.

Check for errors saved in the control unit.

Move on to Step 2Error detected in the control unitProceed as instructed by the diagnostic tester
2CORRECT OPERATION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisFault persists

Continue as instructed in the

See table B010 ENGINE DOES NOT START (UNDER ANY CIRCUMSTANCES)

Parts & tools for this job For 2007 Fiat 500

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