FixVault

Amigo & Rodeo (2.2L Engine)

  1. Disconnect battery cables. Disconnect generator wiring harness connector terminal "B+" (White wire) from generator. Set ammeter to 100 amp setting and connect between generator terminal "B+" and generator connector terminal "B+". See Fig 1 .
  2. Connect carbon pile tester to battery. See Fig 1 . Connect tachometer to engine. Connect oscilloscope to generator following manufacturer's instructions. Reconnect battery cables.
  3. Start engine and allow it to idle. Document generator current output at various engine speeds. Adjust carbon pile tester to demand maximum output from generator. See GENERATOR SPECIFICATIONS  table.
  4. Monitor waveforms on oscilloscope. Waveforms should vary between 5 to 7 amps. If minimum current is not output from generator or oscilloscope waveforms are irregular, overhaul or replace generator. See OVERHAUL  .
Fig 1: Testing Generator Output Using Carbon Pile Tester (Amigo & Rodeo - 2.2L Engine)
G98A04017Courtesy of ISUZU MOTOR CO.