323001967 - 5530AB 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