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How to test a Igniter?

Is there a way to test the igniter with the ohm meter? What are the resistance readings?

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How do I check the coil on my 8n to verify it is OK?


A digital multimeter is required for testing the resistance levels of the ignition coil. The terminals of the coil are going to be marked "negative" and "positive," and these are the two points where the resistance of primary winding can be measured. Step 1: Prepare the multimeter
To check a 12 volt coil, set the multimeter to at least a 200 Ohms setting. Attach both leads of the meter to the coil-terminals with black to the negative terminal and red to the positive one.
Step 2: Test the resistance
The normal, acceptable range for a standard 12-volt car is 1.5 to 1.7 Ohms. See if the reading is within this range.
Step 3: Test the secondary coil resistance
Set the meter to 20K Ohm setting, and attach the leads to the ignition coil's center terminal. The reading for secondary-coil resistance should be 11, because if it is lower, that's the reason why sparks are not appearing

Oct 19, 2016 | Cars & Trucks

1 Answer

IGNITION COIL TESTING DODGE 2.7 INTREPID 2004


to check ignition coil, you need a digital volt meter put it on the ohms scale check primary resistance across primary coil positive terminal to secondary high voltage terminal. primary resistance should be 0.6 to 0.9 ohms and secondary resistance should be 6 to 9 kilo ohms. if you see zero ohms more likely ignition coil has open circuit.

Aug 26, 2012 | Dodge Cars & Trucks

1 Answer

How to test ignition coil


You need a sensitive good quality ohm meter, preferably with a zero adjustment, as these readings can be quite low.

The primary resistance is measured between the positive and negative terminals on the coil, and should read about 0.5 ohms (it varies with the model of car).

The secondary is measured usually between the positive terminal and the high tension terminal (thick lead), and is usually about 10 Kilo ohms (again it varies from car to car)

These are usually measured with the coil cool.

Nov 26, 2011 | Toyota Cars & Trucks

1 Answer

The car is a 4cl 1993 no spark.changed coil and igniter



  • Test the Camshaft Sensor
  • Check voltage between the camshaft position sensor terminals. With engine running, voltage should be greater than 0.1 volt AC and vary with engine speed.
ironfist109_393.jpg



  • Check the Crankshaft Position Sensor.
  • Using an ohmmeter, measure the resistance between terminals. Resistance cold should read 1630-2740 ohms and hot; 2060-3225 ohms.

ironfist109_394.jpg


  • Could also be a timing belt issue.

  • Make sure the distributor is spinning (rotor)




  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


Regards, Tony

Oct 13, 2011 | 1993 Toyota Camry V6

2 Answers

I have a 1991 honda accord I started it like I always do to let it warm up. It started right up like it always does. I went inside to let it warm up. I came outside and it wasn't runnung. I tried to start...


Please see my tip at http://www.fixya.com/cars/r6223989-ignition_coil_doesn_t_spark . These are generic instructions--specific instructions are pasted below from Autozone.com. If you get stuck, please get back to me.

Use a test light to check for power to the coil on the black wire with a yellow stripe--see procedure below and other tests you can run. You will need a volt-ohm meter to run most of these tests.

The system used on 1990-95 Accords and 1989-95 fuel injected Preludes uses the distributor components to signal the engine computer. The ECU triggers the spark through the igniter unit and coil. This spark timing is controlled by the computer as an integrated function of the fuel management system. The distributor contains a crankshaft angle sensor and a No. 1 Cylinder Top Dead Center (TDC) sensor. Using these and other electrical inputs, the computer controls spark timing electrically.

1990-91 ACCORD
See Figure 6

  1. Remove the distributor cap, rotor and shield.
  2. Label and disconnect the 4 wires from the igniter unit.
  3. Switch the ignition ON . Use a voltmeter to check for voltage between the black/yellow wire and ground. Battery voltage should be present. If the voltage is not present, check the black/yellow wire between the igniter and the ignition switch.
  4. Check for voltage between the white/blue wire and ground. Battery voltage should be present with the ignition ON . If voltage is not present, check the white/blue wire from the igniter to the coil and test the ignition coil.
  5. Turn the ignition OFF . Check for continuity in the yellow/green wire between the igniter and the ECU.

jturcotte_639.gif


Fig. Fig. 6: Terminal identification on 1990-91 Accords

  1. Check the blue wire for continuity between the tachometer and the igniter.
  2. Check the resistance between the terminals which connect to the blue and white/yellow wires. It should be between 1,100-3,300 ohms. If not, the igniter must be replaced.
Coil test:
1990-91 ACCORD

See Figure 16
  1. The ignition coil is contained within the distributor. With the ignition OFF , remove the distributor cap.
  2. Remove the screws securing the black/yellow wire and white/blue wires from the terminals. The black/yellow wire is connected to the primary positive terminal and the white/blue wire is connected to the primary negative terminal.
  3. Measure resistance between the terminals. Resistance should be between 0.6-0.8 ohms.
  4. Measure the resistance between the primary positive terminal and the secondary terminal. Resistance should be 12,800-19,200 ohms.
jturcotte_640.gif

Fig. Fig. 16: Coil terminal designation on 1990-91 Accords

  1. All test conditions must be met. If any test condition is not satisfied, the coil must be replaced.

jturcotte_641.gif

Dec 27, 2010 | 1991 Honda Accord

3 Answers

I have power to the HEI distributor, but nothing down the plug wires. I would like a test to see if the internal(removable) coil is good, maybe a resistance value


Below is a generic proceedure for checking your ignition coil.

Ignition Coil Resistance
  • With the key off and the battery lead to the ignition coil disconnected, use an ohmmeter to measure the primary and secondary winding resistance of the ignition coil. when checking the resistance across the windings, pay particular attention to the meter reading. if the reading is out of specifications, even if it is only slightly out, the coil or coil assembly should be replaced.
  • To check the primary windings, calibrate an ohmmeter on the X1 scale and connect the meter leads to the primary coil terminals to test the winding.
f22-39.gif Ohmmeter connected to primary coil terminals.
  • An infinite ohmmeter reading indicates an open winding. The winding is shorted if the meter reading is below the specified resistance. Most primary windings have a resistance of 0.5 to 2 ohms, but the exact manufacturer's specifications must be compared to the meter readings.
  • To check the secondary winding, calibrate the meter on the X1,000 scale and connect it from the coil's secondary terminal to one of the primary terminals.
f22-40.gif

Oct 30, 2009 | Chevrolet Impala Cars & Trucks

1 Answer

Looking to find the correct specs to adjust a TPS for a 1994 Mazda 929. Using a multi-purpose voltmeter.


YOU NEED 2 VOLT METERS.FIRST OF ALL START ENGINE.LET IT GET OPERATING TEMPERATURE THEN TURN OFF ENGINE.THEN YOU CONNECT TWO VOLT METERS TO THE TEST CONNECTOR.TURN IGNITION ON AND CHECK THAT CURRENT FLOWS TO ONLY ONE VOLT METER.IF BOTH VOLT METERS SHOW CURRENT FLOW REMOVE THE CAP AND TURN THE ADJUSTING SCREW COUNTERCLOCKWISE UNTIL ONE VOLT METER SHOWS CURRENT.IF NO CURRENT IS REGISTERED BY EITHER VOLTMETER TURN THE ADJUSTING SCREW CLOCK WISE UNTIL ONLY ONE VOLT METER SHOWS CURRENT.INSTALL THE CAP ON THE ADJUSTING SCREW AND DISCONNECT THE THROTTLE SENSOR CONNECTOR.CONNECT AN OHM METER TO THE THROTTLE SENSOR TERMINALS.OPEN THE THROTTLE VALVE AND CHECK THE RESISTANCE READING FROM THE THROTTLE SENSOR.AT IDLE THE THROTTLE SENSOR SHOULD SHOW ABOUT ONE KILO OHM RESISTANCE.AT WIDE OPEN THROTTLE THE SENSOR SHOULD SHOW ABOUT 5 KILO OHMS RESISTANCE.ANY RESULTS OTHER THAN THESE.REPLACE THE THROTTLE SENSOR AND RETEST.

Aug 26, 2009 | 1994 Mazda 929

1 Answer

I need to know how to test the ignition coil on a 1995 jetta


to test the coil you must use an ohm meter and remove the wire connections from the coil, first test the coil from B+ to the center coil wire tower, read the Resistance on the coil and write it down next test between the positive post and to the negitive post read the Resistance next test the negative side to the center post or tower read the resistance there should be no more than 2000 ohms resistance on any test and if it reads 0 resistance it means it's shorted and needs to be replaced, be sure to set the select lever to it's highest ohms resistance level before testing.

Jun 24, 2009 | 1996 Volkswagen Jetta

1 Answer

P1370 and p1350 trouble codes


P1370 Ignition Control (IC) Module 4x Reference too many pulses

P1350 Ignition Control System

Ok, these codes are signaling a malfunction within the Ignition control module. it is sending way to many signals to the coil. i recommend testing the coil for damage and irregular resistance. i will explain how to do this below. i would replace the module as well. The control moduel is Located Under hood, center, rear engine area, above valve cover, mounted in base of ignition coil pack

Ignition Coil Test Procedures__

Ignition Coil Resistance

* with the key off and the battery lead to the ignition coil disconnected, use an Ohmmeter to measure the primary and secondary winding resistance of the ignition coil. when checking the resistance across the windings, pay particular attention to the meter reading. if the reading is out of specifications, even if it is only slightly out, the coil or coil assembly should be replaced.
* To check the primary windings, calibrate an ohmmeter on the X1 scale and connect the meter leads to the primary coil terminals to test the winding.

5d041b0.jpg

* An infinite ohmmeter reading indicates an open winding. The winding is shorted if the meter reading is below the specified resistance. Most primary windings have a resistance of 0.5 to 2 ohms, but the exact manufacturer's specifications must be compared to the meter readings.
* To check the secondary winding, calibrate the meter on the X1,000 scale and connect it from the coil's secondary terminal to one of the primary terminals.


813a25f.jpg
# A meter reading below the specified resistance indicates a shorted secondary winding. An infinite meter reading proves that the winding is open.
# In some coils, the secondary winding is connected from the secondary terminal to the coil frame. When the secondary winding is tested in these coils, the ohmmeter must be connected from the secondary coil terminal to the coil frame or to the ground wire terminal extending from the coil frame. Many secondary windings have 8,000 to 20,000 ohms resistance, but the meter readings must be compared to the manufacturer's specifications. The ohmmeter tests do not indicate such defects as defective insulation around the coil windings, which causes high-voltage leaks.

May 17, 2009 | 1997 Cadillac DeVille

1 Answer

1988 honda civic 1.5 l engine turns over but will not spark or run,new spark plugs,roter,and cap still no spark


well if this is the model i think it is you have pgm ignition. you have an ignition coil , ignitor unit, ground wires all(corrosion) left to check.
coil testing
  1. With ignition switch OFF, remove the distributor cap.
  2. Remove the two screws to disconnect the BLK/YEL front terminal A and WHT/BLU from terminal B of the coil.
  3. Using an ohmmeter, check resistance between terminals. Replace coil if resistance is not within specification.
  4. Check that the primary winding resistance between terminals A and B is 0.3-0.5 ohms.
  5. Check that the secondary winding resistance between terminals A and the coil tower is 9,440-14,160 ohms.
  6. If not within specifications, replace the coil.

unit testing
    1. Check and service any Honda engine codes before proceeding.
    2. Check the No. 32 50A fuse on 1985-91 models, or the No. 39 50A fuse on 1992-95 models in the dash fuse box before testing.
    3. Remove the distributor cap, rotor and the leak cover.
    4. Disconnect the wires from the igniter.
    5. Turn the ignition switch ON.
    6. Check for voltage between the BLK/YEL wire and ground. If there is no voltage check the BLK/YEL wire and ignition switch.
    7. Check for voltage between the WHT/BLU wire and ground. If there is no voltage check the WHT/BLU wire and the ignition coil.
    8. Check the continuity between the WHT wire and body ground. Service the wire or connectors as needed.
    9. Check for continuity between the BLU wire and body ground. If no continuity check the wire and connectors between the igniter unit and the
tachometer or the A/Trans control unit.

after these things let me know if problem persists
    1. If any tests were not passed, replace the igniter unit.

Mar 07, 2009 | 1988 Honda Civic 2 Door

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