Check alternator operation
- Make
- Alfa Romeo
- Model
- Brera and Spider Factory Service Manual
- Year
- 2005–2010
- Section
- Current generation › Check alternator operation
Electrical equipmentCheck alternator operation
Check alternator operation
- Connect the Examiner in Voltmeter mode with the positive terminal to terminal D+ of the alternator and the negative earthed
- Activate all the lights, heated rear screen and all vehicle electrical loads
- Start the engine and adjust to 2000 rpm
- Check that the voltage measured at terminal D+ is at least 13 Volt
- If the voltage is below 5 Volt, the alternator is inefficient and should be replaced
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