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Toyota Camry
 Service Manual
Ignition
Ignition system (2AZ−FE)(From July, 2003)

INSPECTION

NOTICE: In this section , the terms coldand hot refer to the temperature of the coils. Cold means approximately −10 C (14 F) to 50 C (122 F). Hot means approximately 50 C (122 F) to 100 C (212 F).

1. INSPECT SPARK PLUG

NOTICE:

  • Do not use a wire brush for cleaning.

  • Do not attempt to adjust the electrode gap of a used spark plug.

a. Check the electrode.

1. Using an ohmmeter, measure the insulation resistance.

Correct insulation resistance: 10 MW or more

If the resistance is less than the specified value, proceed to step d..

HINT: If the ohmmeter is not available, perform the following simple inspection instead.

b. Alternative inspection method:

b. Alternative inspection method:

  1. Quickly accelerate the engine to 4,000 rpm 5 times.
  2.  Remove the spark plug.
  3. Visually check the spark plug.
  • If the electrode is dry, the spark plug is functioning.

    Proceed to step 2.

  • If the electrode is damp, proceed to steps c., d., and e..

4. Install the spark plug.

c. Check the spark plug for any damage on its thread and insulator.

If there is damage, replace the spark plug.

Recommended spark plug:

d. Check the spark plug electrode gap.

d. Check the spark plug electrode gap.

Maximum electrode gap for used spark plug:

If the gap is greater than the maximum, replace the spark plug.Correct electrode gap for new spark plug:

If the gap is greater than the maximum, replace the spark plug.

Correct electrode gap for new spark plug:

1.0 to 1.1 mm (0.039 to 0.043 in.)

NOTICE: If adjusting the gap of a new spark plug, bend only the base of the ground electrode. Do not touch the tip. Never attempt to adjust the gap on a used plug.

e. Clean the spark plugs.If the electrode has traces of wet carbon, clean the electrode

e. Clean the spark plugs.

If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner and then dry it.

Air pressure: 588 kPa (6 kgf/cm2, 85 psi)

Duration: 20 seconds or less

HINT: Use the spark plug cleaner only when the electrode is free of oil. If the electrode has traces of oil, use gasoline to clean off the oil before using the spark plug cleaner.

2. INSPECT CAMSHAFT POSITION SENSOR

2. INSPECT CAMSHAFT POSITION SENSOR

a. Using an ohmmeter, measure the resistance between the terminals.

Standard

:

If the resistance is not as specified, replace the sensor.

If the resistance is not as specified, replace the sensor.

3. INSPECT CRANKSHAFT POSITION SENSOR

a. Using an ohmmeter, measure the resistance between the terminals.

Standard

:

If the resistance is not as specified, replace the sensor.

If the resistance is not as specified, replace the sensor.

    More about Ignition:

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    Ignition system (2AZ−FE)(From July, 2003)

    Camshaft position sensor (2AZ−FE)(From July, 2003)

    Crankshaft position sensor (2AZ−FE)(From July, 2003)

    Ignition system (1MZ−FE/3MZ−FE)

    Toyota Camry Service Manual / Ignition / Ignition system (2AZ−FE)(From July, 2003)

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