Corolla FX L4-1587cc 1.6L DOHC (4A-GE) (1987)
Fig. 5 Checking ignition coil primary resistance (Models w/internal coil)
1.
Check primary coil resistance by placing suitable ohmmeter leads between coil primary terminals, Figs. 1 through 5.
2.
Resistance should be within specifications shown in IGNITION SPECIFICATION CHART.
3.
Inspect coil for cracks, damaged or burned terminals and leakage.
4.
If coil resistance is not within specifications, or if coil is damaged, coil should be replaced.
Secondary Resistance
Fig. 7 Checking ignition coil secondary resistance