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Home >> Toyota >> 1996 >> 4 Runner 2WD V6-3.4L (5VZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Testing and Inspection
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Ignition Coil: Testing and Inspection

1. REMOVE AIR CLEANER HOSE
2. DISCONNECT HIGH-TENSION CORDS AND IGNITION COIL CONNECTORS FROM IGNITION COILS
3. INSPECT PRIMARY COIL RESISTANCE





- Using an ohmmeter, measure the resistance between the positive (+) and negative (-) terminals.

Primary coil resistance:
Cold: 0.67-1.05 ohms
Hot: 0.85 - 1.23 ohms

- If the resistance is not as specified, replace the ignition coil.
4. REMOVE IGNITION COILS
5. INSPECT SECONDARY COIL RESISTANCE





- Using an ohmmeter, measure the resistance between the positive (+) and high-tension terminals.

Secondary coil resistance:
Cold: 9.3 - 16.0 kohms
Hot: 11.7-18.8 kohms

- If the resistance is not as specified, replace the ignition coil.
6. REINSTALL IGNITION COILS
7. RECONNECT IGNITION COIL CONNECTORS AND HIGH-TENSION CORDS
8. REINSTALL AIR CLEANER HOSE
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