Ig

C11 ECM

Ignition Coil (No. 1)

ON-VEHICLE INSPECTION

Celica 1989 Coil Assy Ignition

1. CHECK IGNITION COIL ASSEMBLY AND PERFORM SPARK TEST NOTICE:

In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately -10 to 50°C (14 to 122°F). "Hot" means approximately 50 to 100°C (122 to 212°F).

(a) Check for DTCs. NOTICE:

If any DTC is present, perform troubleshooting in accordance with the procedure for that DTC.

(b) Check that sparks occur.

(1) Remove the No. 1 engine cover.

(2) Disconnect the 4 ignition coil connectors and remove the 4 bolts and ignition coils.

(3) Using a 16 mm (0.63 in.) spark plug wrench, remove the 4 spark plugs.

Removing Ignition Coil 2007 Toyota Camry2003 Replace Camry Spark Plugs

Disconnect the 4 fuel injector connectors. Install the spark plug to each ignition coil, and connect the ignition coil connectors.

Ground the spark plug.

Check if a spark occurs at each spark plug while the engine is being cranked.

NOTICE:

• Be sure to ground the spark plugs when checking.

• Replace the ignition coil if it receives an impact.

• Do not crank the engine for more than 2 seconds.

(c) Perform the spark test according to the flowchart below.

(1) Check that the ignition coil connector is securely connected. Result

Result

Proceed to

NG

Connect securely

OK

Go to next step

(2) Perform the spark test on each ignition coil.

1. Replace the ignition coil with a normal one.

2. Perform the spark test again. Result

Result

Proceed to

OK

Replace ignition coil

NG

Go to next step

(3) Check the power supply to the ignition coil.

1. Turn the ignition switch to the ON position.

2. Measure the voltage between the terminals of the wire harness side connector.

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