Check subwoofer operation

Make

Fiat

Model

Croma Factory Service Manual

Year

2005–2010

Section

Accessories › Check subwoofer operation

Electrical equipmentCheck subwoofer operation

CHECK SUBWOOFER OPERATION

Check 5570TC

STEP	CHECK TO BE PERFORMED	RESOLUTION IF THE CHECK IS NOT OK
1	Check the direct power supply Check that a direct voltage of +12 is present at pin C8 of the subwoofer audio amplifier	Replace the 30 Amp fuse F54 in the under-dashboard fuse control unit.
2	Check the earth Check that pin C1 is correctly earthed	Restore the earth connection
3	Check the ignition enablement Check with the key on and Connect on that a 12 Volt signal is present at pin C2	Restore the wiring across pin C2 of the amplifier and pin C6 of the radio
4	Check status recognition With Connect on, check that a 12 Volt signal is present at pin C3.	Restore the wiring across pin C3 of the amplifier and pin A2 of the radio

The following figure shows the subwoofer

16 Electrical