Diode Test

Using ohmmeter, check continuity of each diode, in both directions. See STEP 3 in illustration. See Fig 1, Fig 2 or Fig 3 . Continuity should exist in only one direction. If continuity of any diode is not as specified, replace rectifier assembly.

Fig 1: Testing Rectifier (Accent & Elantra W/75-Amp Generator)

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Testing Rectifier (Elantra W/90-Amp Generator & Tiburon)

Courtesy of HYUNDAI MOTOR CO.

Fig 3: Testing Rectifier (Sonata Shown; Santa Fe & XG300 Are Similar)

Courtesy of HYUNDAI MOTOR CO.