Celica GT L4-1.8L (1ZZ-FE) (2001)
Ignition Control Module: Testing and Inspection
ON-VEHICLE INSPECTION
NOTE: "Cold" and "Hot" in these sentences express the temperature of the coils themselves. "Cold" is from -10 °C (140 °F) to 50 °C (122 °F) and
"Hot" is from 50 °C (122 °F) to 100 °C (212 °F).
1. INSPECT IGNITION COIL (WITH IGNITER) AND SPARK TEST
Check that the spark occurs.
1. Remove the ignition coils (with igniter).
2. Using a 16 mm (0.63 in.) plug wrench, remove the spark plugs.
3. Install the spark plugs to each ignition coils (with igniter), and connect the ignition coil connectors.
4. Disconnect the 4 injector connectors.
5. Ground the spark plugs.
6. Check if spark occurs while engine is being cranked.
NOTE: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 5 - 10 seconds at time.
If the spark does not occur, do this test.
7. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
Torque: 18 N.m (184 kgf.cm, 13 ft.lb)
8. Install the ignition coils (with igniter).