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Ignition Coil

Ignition coil is located in distributor. Turn ignition off. Disconnect distributor 2-pin harness connector (ignition coil connector). Remove distributor cap. For primary coil, measure resistance between distributor 2-pin connector terminals (component side). For secondary coil, measure resistance between distributor 2-pin connector terminal No. 7 and coil tower. See Fig 1. See IGNITION COIL RESISTANCE  table. Replace distributor assembly, if resistance is not as specified.

IGNITION COIL RESISTANCE

Application Primary Secondary
Altima About 1 Ohm @ 68°F (20°C) About 10 K/Ohms @ 68°F (20°C)
Frontier & Xterra
2.4L Less Than 1 Ohm @ 77°F (25°C) 7-13 K/Ohms @ 77°F (25°C)
3.3L .5-1.0 Ohm @ 77°F (25°C) About 12 K/Ohms @ 77°F (25°C)
Quest .5-1.0 Ohm @ 77°F (25°C) About 12 K/Ohms @ 77°F (25°C)
Fig 1: Testing Ignition Coil (Altima Is Shown; Others Are Similar)
G99A51912Courtesy of NISSAN MOTOR CO., U.S.A.
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