On-Vehicle Inspection

NOTE: "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).

INSPECT IGNITION COIL ASSY AND SPARK TEST
1. Confirm DTCs.
  NOTE: If DTC is present perform a troubleshooting in accordance with a procedure for that DTC.
2. Check that 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 coil, and connect the ignition coil connectors.
  4. Disconnect the 6 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 impact.
  - Do not crank the engine for more than 2 seconds.
  If the spark does not occur, do the test as follow.
  
  Fig 1: Ignition Coil Assy And Spark Test Flow Chart (1GR-FE)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
  Torque: 18 N.m (184 kgf.cm, 13 ftlbf)
4. Install the ignition coils.
  Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)