Toyota Corolla Repair Manual: On–vehicle inspection

Notice

: ”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 (with igniter) and spark test

1.  confirm dtc.

   Notice

   : 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 (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.

Notice

:

• 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.

Hint

: if the spark does not occur, do the test as follow.

3.  using a 16 mm (0.63 In.) Plug wrench, install the spark plugs.

   Torque: 25 nvm (255 Kgf·cm, 18 ft·lbf)

4.  install the ignition coil with igniter.

   Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)