22 · Diagnostics

Ignition switch not working

Make: Fiat
Model: Multipla Factory Service Manual
Year: 1998–2010
Section: Starting › Ignition switch not working

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Fault diagnosisIgnition switch not working

IGNITION SWITCH NOT WORKING

When the ignition is turned ON nothing happens. The starter motor does not turn, the instruments do not light up

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Preliminarily check the efficiency of the battery	Continue to Step 1	Battery discharged	Charge or replace the battery ( Op. 5530B10.)
1	CHECK BATTERY CONNECTIONS	All OK	Problems met	Operation
	Check, in order: correct fixing or connection to earth of negative battery terminal correct fixing of positive battery terminal and that all leads are connected no oxidation at the negative battery lead earth point	Continue to Step 2	Connections not correct	Restore the battery connections (See E1010 SUPPLY)
		Continue to Step 2	Cable damaged	Replace the cable concerned (see Assembly 5530B)
2	CHECK MAXIFUSE BOX CONNECTIONS	All OK	Problems met	Operation
	Check, in order: condition of two maxifuse boxes correct fixing and connection to battery of maxifuse boxes	Continue to Step 3	Connections not correct	Restore the connections of the maxifuse boxes to the battery ( See E1010 SUPPLY).
		Continue to Step 3	Maxifuse box damaged	Replace maxifuse box Op. 5505A16
3	CHECK IGNITION SWITCH CIRCUIT	All OK	Problems met	Operation
	Check that the correct supply is reaching the ignition switch. In particular, check the condition of the "IGN" maxifuse	Continue to Step 4	Connections not correct	Restore connections between battery and ignition switch ( See E5010 STARTING AND RECHARING).
		Continue to Step 4	Fuse damaged	Replace the fuse concerned: (then search for the cause of the problem)
4	CHECK IGNITION SWITCH	All OK	Problems met	Operation
	Check condition and correct operation of ignition switch.	Continue to Step 5	Ignition switch faulty.	Renew or replace the ignition switch Op. 5520A12
5	LOCK BARREL CHECK	All OK	Problems met	Operation
	Check condition of lock barrel and correct operation	Continue to Step 6	Lock barrel faulty	Renew or replace the lock barrel Op. 5520A14
6	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present.	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

‹ Prev Alarm volumetric surveillance not working Next › Starter motor not working

Parts & tools for this job Staging For 1998 Fiat Multipla

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