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Section 1 (Engine Starting System & Charging System (3.6L)): Generator: Inspection: Diode

WARNING: This page is about a different variant/trim than selected.
CAUTION: There is the possibility of damaging the diodes if a mega-tester (used to measure high voltages) or a similar measuring instrument is used. Never use a mega tester or equivalent for this test.
  1. Check for continuity between the diode lead and terminal E or B. If continuity is not as shown in the table, replace the rectifier.
    • At analog type tester
      Tester lead Continuity
      -lead +lead
      E P1, P2, P3, P4, P5, P6 Yes
      B None
      P1, P2, P3, P4, P5, P6 E None
      B Yes
    • At digital type tester
      Tester lead Continuity
      -lead +lead
      E P1, P2, P3, P4, P5, P6 None
      B Yes
      P1, P2, P3, P4, P5, P6 E Yes
      B None
    G12405909Courtesy of SUBARU OF AMERICA, INC.
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