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Bench Testing: Rectifier

Using DVOM, check diodes for continuity. See RECTIFIER DIODE CONTINUITY  table. See Fig 1. Replace rectifier if not as specified.

RECTIFIER DIODE CONTINUITY

Tester Negative Probe Tester Positve Probe Continuity
E P1, P2, P3 & P4 Yes
B P1, P2, P3 & P4 No
P1, P2, P3 & P4 E No
P1, P2, P3 & P4 B Yes
Fig 1: Testing Rectifier Diodes
G00307902Courtesy of MAZDA MOTORS CORP.