Ignition System Onvehicle 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 5Q'C (122aF) to 100'C (212°F).

1. INSPECT IGNITION COIL (WiTH IGNITER) AND SPARK TEST

Check that the spark occurs.

(1)

Remove the ignition coils (with igniter).

{See page IG-6)

(2)

Using a 16 mm {0.63 in.) plug wrench, remove the

spark plugs.

(3)

Install the spark plugs to each ignition coils (with ig

niter), 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:

To prevent gasoiine from being injected from injectors during this test, crank the engine for no more than 5 - 10 seconds at time.

To prevent gasoiine from being injected from injectors during this test, crank the engine for no more than 5 - 10 seconds at time.

if the spark does not occur, do the test as follows:

SPARK TEST

SPARK TEST

CHECK CONNECTION OF IGNITION COIL

Connect securely.

CONNECTOR

bad

; ok

CHANGE IT TO NORMAL IGNITION COIL (WITH IGNITER) AND PERFORM SPARK TEST AGAIN

ok

Replace the ignition coif (with igniter).

| no

CHECK POWER SUPPLY TO IGNITION COIL (WITH IGNITER)

1. Turn ignition switch to ON.

2. Check that there is battery voltage a! ignition coil positive (+) terminal.

Check wiring between ignition switch to ignition coil (with igniter).

bad "

CHECK RESISTANCE OF CAMSHAFT POSITION SENSOR (See step 3)

Cold Hot Resi sta nee: 835-1,400 ft 1,060 - 1,645 O

Replace the camshaft position sensor.

BAD

OK

(7) Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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