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Bench Testing: Rectifier

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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.