LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1993 >> Celica ST, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 4-CYL >> Ignition Checks >> Ignition Coil Resistance
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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