RAV4 4-Door 4WD L4-2.0L (3S-FE) (1997)
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Ignition Coil: Testing and Inspection
IGNITION COIL INSPECTION
NOTICE: Cold and Hot in the following sentences express the temperature of the coils themselves. Cold is from -10°C (14°F) to 50°C (122°F) and
Hot is from 50°C (122°F) to 100°C (212°F).
1. DISCONNECT IGNITION COIL CONNECTOR
2. DISCONNECT HIGH-TENSION CORD FROM IGNITION COIL
3. INSPECT PRIMARY COIL RESISTANCE
Using an ohmmeter, measure the resistance between the positive (+) and negative (-) terminals.
Primary coil resistance:
Cold: 0.36 - 0.55 Ohms
Hot: 0.45 - 0.65 Ohms
If the resistance is not as specified, replace the ignition coil.
4. INSPECT SECONDARY COIL RESISTANCE
Using an ohmmeter, measure the resistance between the positive (+) and high-tension terminals.
Secondary coil resistance:
Cold: 9.0 - 15.4 k Ohms
Hot: 11.4 - 18.1 k Ohms
If the resistance is not as specified, replace the ignition coil.
5. RECONNECT HIGH-TENSION CORD TO IGNITION COIL
6. RECONNECT IGNITION COIL CONNECTOR