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Ignition Coil Resistance

  1. Disconnect wiring from ignition coil so ignition coil is isolated from system. Using ohmmeter, check primary resistance between ignition coil positive (+) and negative (-) terminals. See Fig 1, Fig 2 or Fig 3.
  2. Check secondary resistance between ignition coil positive (+) terminal and high tension wire terminal (coil wire tower). See Fig 4, Fig 5 or Fig 6. Replace ignition coil if resistance is not within specification. See appropriate IGNITION COIL RESISTANCE  table.
IGNITION COIL RESISTANCE (4-CYLINDER) - Ohms @ 68°F (20°C)

Application Primary Secondary
1.6L (4A-FE) 1.1-1.7 9000-15,000
2.0L Turbo (3S-GTE) .30-.60 9000-15,000
2.2L (5S-FE) .30-.60 9000-15,000
Fig 1: Checking Ignition Coil Primary Resistance (1.6L)
G93F78902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Checking Ignition Coil Primary Resistance (2.0L Turbo)
G93E78901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Checking Ignition Coil Primary Resistance (2.2L)
G93A78899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Checking Ignition Coil Secondary Resistance (1.6L)
G93I78913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Checking Ignition Coil Secondary Resistance (2.0L Turbo)
G93H78912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Checking Ignition Coil Secondary Resistance (2.2L)
G93F78910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002