On-Vehicle Inspection

ON-VEHICLE INSPECTION

HINT: Cold and Hot in this section mean 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. INSPECT IGNITION COIL ASSEMBLY AND SPARK TEST

a. Check for DTCs.

NOTE: If a DTC is present, perform a troubleshooting in accordance with the procedure for that DTC.

b. Check that sparks occur.
1. Remove the intake air connector.
2. Remove the ignition coils.
3. Using a 16mm (0.63 in.) plug wrench, remove the spark plugs.
4. Install each spark plug into an ignition coil, and connect the ignition coil connectors.
5. Disconnect the 4 injector connectors.
6. Ground the spark plugs.
7. Check that sparks occur at each spark plug while the engine is being cranked.

NOTE:
- Be sure to ground the spark plug when checking.
- Replace the ignition coil if it has been dropped or subjected to any other impact.
- Do not crank the engine for more than 2 seconds.




If sparks do not occur, perform the procedures shown.

8. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.

Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)

9. Install the ignition coils.

Torque: 9.0 N.m (92 kgf.cm, 80 in.lbf)

10. Install the intake air connector.