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Secondary Coil Resistance Tests

  1. Disconnect ignition coil so it is isolated from remainder of system. Using an ohmmeter, measure resistance between coil positive (+) terminal and coil tower. See IGNITION COIL RESISTANCE  table. See Fig 1 or Fig 2.
  2. If resistance is not within specification, replace ignition coil. If resistance is within specification, proceed to the PICK-UP COIL RESISTANCE TEST .
Fig 1: Testing 4WD (4A-FE) Ignition Coil Secondary Resistance
G118951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing 2WD (4A-GE) Ignition Coil Secondary Resistance
G118953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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