Ignition System: Testing and Inspection

NOTE: "Cold" and "Hot" in these 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. INSPECT IGNITION COIL AND SPARK TEST
a. Confirm DTC.

NOTE: If DTC is indicated, carry out troubleshooting in accordance with the procedure on the following DTC.

b. Check that the spark occurs.
1. Remove the intake air surge tank
2. Remove the ignition coils.
3. Using a 16 mm (0.63 in) plug wrench, remove the all spark plugs.
4. Install the spark plugs to each ignition coils and connect the ignition coil connectors.
5. Disconnect the all injector connectors.
6. Ground the spark plugs.
7. Check if spark occurs while engine is being cranked.

NOTE: Be sure to ground the spark plug, when checking.
Replace the ignition coil when it is given an impact.
Do not crank the engine for more than 2 seconds.


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

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


d. Install the ignition coils.


Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf)


If the spark does not occur, do the test as follows.







2. INSPECT SPARK PLUGS

NOTE: Try not to clean the irridium and platinum tip. However, when the cleaning is necessary, use of spark plug cleaner is recommended. Duration should be less than 20 seconds.







a. Check the spark plug for thread damage and insulator damage.

If abnormal, replace the spark plug.

Recommended spark plug:
DENSO MADE SK20R11
NGK MADE IFR6A11






b. Check the electrode gap.

Electrode gap: 1.0 - 1.1 mm (0.039 - 0.043 in.)

Maximum electrode gap: 1.2 mm (0.047 in.)

NOTE: This engine is fitted with irridium-tipped spark plugs.
Never attempt to adjust the electrode gap.
Do not scratch the irridium and platinum tip between electrode gap.

3. CAMSHAFT POSITION SENSOR
a. Using an ohmmeter, measure the resistance between terminals.

RESISTANCE:
at cold 835 - 1,400 Ohm
at hot 1,060 - 1,645 Ohm

NOTE: "Cold" and "Hot" on the table 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).

4. CRANK POSITION SENSOR
a. Using an ohmmeter, measure the resistance between terminals.

RESISTANCE:
at cold 1,630 - 2,740 Ohm
at hot 2,065 - 3,225 Ohm

NOTE: "Cold" and "Hot" on the table 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).