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Ignition Coil Test (Prelude)

  1. Turn ignition off. Remove primary and secondary leads from ignition coil. Using an ohmmeter, check primary resistance between ignition coil connector terminals "A" and "B". See Fig 1. Resistance should be as specified. See IGNITION COIL RESISTANCE  table.
  2. Check secondary resistance between ignition coil connector terminal "A" and secondary output terminal (ignition coil tower). See IGNITION COIL RESISTANCE  table. Check for continuity between ignition coil connector terminals "A" and "B". Continuity should exist. If readings are not within specification, replace ignition coil.
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)

Application Primary Secondary
Accord
F23A1 & F23A4 0.45-0.55 16,800-25,200
F23A5 0.63-0.77 12,800-19,200
CR-V 0.63-0.77 12,800-19,200
Prelude 0.64-0.78 14,400-21,600
Fig 1: Identifying Ignition Coil Terminals (Prelude)
G92A25130Courtesy of AMERICAN HONDA MOTOR CO., INC.
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