22 · Diagnostics

Ignition switch not working

Make: Fiat
Model: 500 Factory Service Manual
Year: 2007–2024
Section: Starting › Ignition switch not working

‹ Prev R010 multiple tester connection Next › Starter motor not working

Fault diagnosisIgnition switch not working

IGNITION SWITCH NOT WORKING

1.2 8v, 1.4 16v

Nothing happens when the ignition is turned to ON. The starter motor does not turn, the instruments do not light up

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	First of all, check the efficiency of the battery	Move on to Step 1	1. Battery run down 2. Battery run down and cannot be recharged	1. Recharge the battery 2. Replace the battery
1	BATTERY CONNECTIONS CHECK	All OK	Problems encountered	Operation
	Check the following, in order: correct fastening and earth connection of the negative battery terminal; correct fastening of positive battery pole and all leads connected to it; no oxidation at the earth point for the negative battery lead	Move on to Step 2	1. Connections not correct 2. Earth lead damaged 3. Lead between battery and starter motor damaged	1. Restore the battery connections See E1010 POWER SUPPLY 2. Replace the earth lead 3. Replace the lead
2	IGNITION SWITCH CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the continuity of the wiring between the battery and the junction unit in the engine compartment Check the continuity of the wiring between the junction unit in the engine compartment and the ignition switch See E5010 STARTING AND RECHARING	Move on to Step 3	Wiring broken	Restore the connections between the battery and the ignition switch
3	IGNITION SWITCH CHECK	All OK	Problems encountered	Operation
	Check the condition of the ignition switch and make sure that it is working properly, carrying out the See Test 5520AA IGNITION SWITCH EFFICIENCY CHECK	End of diagnosis	Ignition switch fault	Repair or replace the ignition switch Op. 5520A10 IGNITION SWITCH ASSEMBLY - R+R

1.3 Multijet

Nothing happens when the ignition is turned to ON. The starter motor does not turn, the instruments do not light up

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	First of all, check the efficiency of the battery	Move on to Step 1	1. Battery run down 2. Battery run down and cannot be recharged	1. Recharge the battery 2. Replace the battery
1	BATTERY CONNECTIONS CHECK	All OK	Problems encountered	Operation
	Check the following, in order: correct fastening and earth connection of the negative battery terminal; correct fastening of positive battery pole and all leads connected to it; no oxidation at the earth point for the negative battery lead	Move on to Step 2	1. Connections not correct 2. Earth lead damaged 3. Lead between battery and starter motor damaged	1. Restore the battery connections See E1010 POWER SUPPLY 2. Replace the lead 3. Replace the lead
2	IGNITION SWITCH CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the continuity of the wiring between the battery and the junction unit in the engine compartment Check the continuity of the wiring between the junction unit in the engine compartment and the ignition switch See E5010 STARTING AND RECHARING	Move on to Step 3	Wiring broken	Restore the connections between the battery and the ignition switch
3	IGNITION SWITCH CHECK	All OK	Problems encountered	Operation
	Check the condition of the ignition switch and make sure that it is working properly, carrying out the See Test 5520AA IGNITION SWITCH EFFICIENCY CHECK	End of diagnosis	Ignition switch fault	Repair or replace the ignition switch Op. 5520A10 IGNITION SWITCH ASSEMBLY - R+R

‹ Prev R010 multiple tester connection Next › Starter motor not working

Parts & tools for this job For 2007 Fiat 500

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