On-Vehicle 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).

INSPECT IGNITION COIL ASSY AND SPARK TEST
1. Confirm DTC.
  NOTE: If DTC is indicated, carry out troubleshooting in accordance with the procedure on the following DTC.
2. Check that the spark occurs.
  1. Remove the ignition coils.
  2. Using a 16mm (0.63 in) plug wrench, remove the spark plugs.
  3. Install the spark plugs to each ignition coils, and connect the ignition coil connectors.
  4. Disconnect the 8 injector connectors.
  5. Ground the spark plugs.
  6. 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.
  If the spark does not occur, do the test as follow.
  
  Fig 1: Spark Test Flow Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
  1. Torque: 17.5 N.m (178kgf.cm, 13ft.lbf)
4. Install the ignition coils.
  1. Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)