FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Ignition Coil: Testing and Inspection


IGNITION COIL INSPECTION
Using accurate tester, inspect the following items, and replace if defective.





1) Primary resistance





2) Secondary coil resistance

CAUTION: If the resistance is extremely low, this indicates the presence of a short-circuit.

Specified resistance:
[Primary side]
Between terminal No.1 and No.2 0.73 ± 10%
Between terminal No.2 and No.3 0.73 ± 10%


[Secondary side]
Between (A) and (B) 12.8 K.Ohms ± 15%
Between (C) and (D) 12.8 K.Ohms ± 15%


3) Insulation between primary terminal and case: 10 M.Ohms or more.