Component Inspection

■ Alternator Inspection 

1. Ignition "OFF".
2. Connect VMI to KDS/GDS and set up an oscilloscope as follow (4-channel);

   Channel A (+): Pin No. 1 (COM) terminal of Alternator.

   Channel A (-): Pin No. 2 (L) terminal of Alternator.

   Channel B (+): Pin No. 3 (FR) terminal of Alternator.

   Channel B (-): -

3. Ignition "ON".
4. Test Condition: Engine Idle & No Electrical Load and Electrical Load.

   Specification:  Refer to Figure below

   Fig 1: Screen Display - Alternator Signal Waveform At Idle And No Electrical Load

   Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured value within specification?

   YES 

   • Go to "Verification of Vehicle Repair " procedure.

   NO 

   • Carefully re-do this troubleshooting guide steps.
   • If the diagnostics have been performed correctly with no failure found, replace the Alternator and then go to "Verification of Vehicle Repair " procedure.