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Ignition Coil: Testing and Inspection

IGNITION COIL INSPECTION

Primary Coil Winding
1. Disconnect the ignition coil connector.

FS:




KL:




2. Measure the resistance using an ohmmeter.
1. From terminal A to B, and terminal B to C. (FS)
- If not as specified, replace the ignition coil.

2. From terminal A to D, and terminal B to D, and terminal C to D. (KL)
- If not as specified, replace the ignition coil.

Specification: 0.45 - 0.55 Ohm [20 °C {68 °F}]

Secondary Coil Winding
1. Disconnect the high-tension leads.

FS:




KL:




2. Measure the resistance using an ohmmeter.
1. From lead hole 1 to 4, and lead hole 2 to 3. (FS)
- If not as specified, replace the ignition coil.

2. From lead hole 1 to 4, and lead hole 2 to 5, and lead hole 3 to 6. (KL)
- If not as specified, replace the ignition coil.

Specification: 11.5 - 15.5 kilOhms [20 °C {68 °F}]

Insulation Resistance of Case

1. Disconnect the high-tension leads and ignition coil connector.

FS:




KL:




2. Measure the insulation resistance between terminal B (FS) or D (KL), and ignition coil case using an ohmmeter.
- If not as specified, replace the ignition coil.

Specification: Above 10 megohms