22 · Diagnostics

Ignition switch not working

Make: Fiat
Model: Bravo Factory Service Manual
Year: 2007–2014
Section: Starting › Ignition switch not working

‹ Prev Tilt sensor alarm not working Next › Starter motor not working

Fault diagnosisIgnition switch not working

IGNITION SWITCH NOT WORKING

1.4 16v

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

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	First of all, check the efficiency of the battery	Move on to Step 1	Battery run down	Recharge the battery
	First of all, check the efficiency of the battery	Move on to Step 1	Battery run down and cannot be recharged	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 terminal and all leads connected to it; - no oxidation at the earth point for the negative battery lead	Move on to Step 2	Connections not correct	Restore the correct connections See E1010 POWER SUPPLY
			Earth lead damaged	Replace the lead
			Lead between battery and starter motor damaged	Replace the lead
2	IGNITION SWITCH CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the power supply is reaching the ignition switch correctly See E5010 STARTING AND RECHARING	Move on to Step 3	Connections not correct	Restore the connections between the battery and the ignition switch.
3	KEY LOCK BARREL CHECK	All OK	Problems encountered	Operation
	Check the condition of the key lock barrel and that it is working properly	Move on to Step 4	Lock barrel faulty	Repair or replace the lock barrel Op. 5520A14 IGNITION KEY LOCK BARREL - R+R
4	IGNITION SWITCH CHECK	All OK	Problems encountered	Operation
	Check the condition of the ignition switch and make sure that it is working properly	End of diagnosis	Ignition switch fault	Repair or replace the ignition switch Op. 5520A10 IGNITION SWITCH ASSEMBLY - R+R

1.9 JTD 8v, 1.9 JTD 16v

Nothing happens when the ignition is turned to MAR. The starter motor does not turn, and all the services connected to the ignition lock barrel do not work.

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	Check the condition of the protective fuse See E5010 STARTING AND RECHARING	Move on to Step 1	Fuse blown	Replace the blown fuse See E5010 STARTING AND RECHARING
		Move on to Step 1	Battery run down and cannot be recharged	Replace the battery Op. 5530B10 BATTERY - R+R
1	BATTERY CHECK	All OK	Problems encountered	Operation
	Check the battery charge.	Move on to Step 2	Battery charge too low.	Recharge the battery
	Check the battery charge.	Move on to Step 2	Battery charge too low and no longer rechargeable.	Replace the battery Op. 5530B10 BATTERY - R+R
2	BATTERY CHECK	All OK	Problems encountered	Operation
	Check the following, in order: the battery positive and negative cables are correctly connected and secured; no oxidation at the earth point for the negative battery lead.	Move on to Step 3	Electrical connections not correct.	Restore the electrical connections.
		Move on to Step 3	Earth cable clamp damaged.	Replace the battery earth cable
3	ELECTRICAL CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the continuity/insulation of the electrical connection between the battery and the engine compartment control unit. See E5010 STARTING AND RECHARING	Move on to Step 4	Electrical connection broken or not insulated.	Restore the continuity/insulation of the electrical connection See E5010 STARTING AND RECHARING )
4	ELECTRICAL CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the continuity/insulation of the electrical connection between the engine compartment control unit and the ignition key barrel.	Move on to Step 5	Electrical connection broken or not insulated.	Restore the continuity/insulation of the electrical connection See E5010 STARTING AND RECHARING
5	CORRECT OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the ignition key barrel Op. 5520A10 IGNITION SWITCH ASSEMBLY - R+R Search for the fault starting from another symptom

1.4 16v TJet

Nothing happens when the ignition is turned to MAR. 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	Battery run down	Recharge the battery
	First of all, check the efficiency of the battery	Move on to Step 1	Battery run down and cannot be recharged	Replace the battery
1	CHECKING THE CURRENT DISPERSION SYSTEM	All OK	Problems encountered	Operation
	Check using the See Test any current dispersions on the system. Check that the alternator is working properly by carrying out the See Test 5530AB Check alternator operation	Move on to Step 2	Dispersions for services that are live with everything turned off	Eliminate current dispersion
			Faulty alternator regulator	Replace regulator Op. 5530A24 ALTERNATOR VOLTAGE REGULATOR - R.R. WITH ALTERNATOR REMOVED
			Alternator defective	Replace alternator Op. 5530A10 ALTERNATOR - R+R
2	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 terminal and all leads connected to it; - no oxidation at the earth point for the negative battery lead Checking for any current dispersions on the system.	Move on to Step 3	Connections not correct	Restore the correct connections See E1010 POWER SUPPLY
			Earth lead damaged	Replace the lead
			Lead between battery and starter motor damaged	Replace the lead
3	IGNITION SWITCH CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the power supply is reaching the ignition switch correctly See E5010 STARTING AND RECHARING	Move on to Step 4	Connections not correct	Restore the connections between the battery and the ignition switch.
4	KEY LOCK BARREL CHECK	All OK	Problems encountered	Operation
	Check the condition of the key lock barrel and that it is working properly	Move on to Step 5	Lock barrel faulty	Repair or replace the lock barrel Op. 5520A14 IGNITION KEY LOCK BARREL - R+R
5	IGNITION SWITCH CHECK	All OK	Problems encountered	Operation
	Check the condition of the ignition switch and make sure that it is working properly	End of diagnosis	Ignition switch fault	Repair or replace the ignition switch Op. 5520A10 IGNITION SWITCH ASSEMBLY - R+R

‹ Prev Tilt sensor alarm not working Next › Starter motor not working

Parts & tools for this job For 2007 Fiat Bravo

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