Spark Test

CHECK THAT SPARK OCCURS

(a) Disconnect the high-tension cord from the distributor.

(b) Hold the end about 12.5 mm (0.50 in.) from the body of car.

(c) Check if spark occurs while engine is being cranked.

HINT: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 1-2 seconds at a time.

If the spark does not occurs, perform the test as follows:

SPARK TEST

w NO

SPARK TEST

w NO

CHECK CONNECTION OF IGNITION COIL.

Connect securely.

IGNITER AND DISTRIBUTOR CONNECTOR

BAD

, OK

CHECK RESISTANCE OF HIGH-TENSION

CORD (See page IG-6)

Maximum resistance: 25 KQ per cord

Replace the cord(s).

BAD

, OK

I CHECK POWER SUPPLY TO IGNITION COIL AND IGNITER

1. Ignition switch turn to ON.

2. Check that there is battery voltage at Ignition coil positive( + ) terminal.

Check wiring between ignition switch to ignition coil and igniter.

BAD

, OK

CHECK RESISTANCE OF IGNITION COIL (See page IG-8) Resistance (Cold):

Primary 0.40 - 0.50 Q Secondary 10.0 - 14.0 Q

Replace the ignition coil.

BAD

1

\ OK

CHECK RESISTANCE OF SIGNAL GENERATOR (PICUP COIL) (See page IG-9) Resistance (Cold):

G1 and G© 140 - 180 Q G2 and G© 140-180 Q NE and G© 180-220 Q

Replace the distributor housing assembly.

BAD

( OK

CHECK AIR GAP OF DISTRIBUTOR (See page IG-9)

Air gap: 0.2 - 0.4 mm (0.008 - 0.016 in.)

Replace the distributor housing assembly.

BAD

, OK

I CHECK IGT SIGNAL FROM ECU

Check wiring between ECU, distributor

(See page FI-45)

BAD

and igniter, only then try another ECU.

TRY ANOTHER IGNITER

TRY ANOTHER IGNITER

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    How to test mr2 sw20 igniter?
    9 years ago

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