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No spark from coil to distrubuter


Disconnect the ignition coil output wire at the distributor cap.
Connect a spark plug to the end of the ignition coil output wire which you just disconnected.
Connect a ground wire to the threaded portion of the spark plug.
Disconnect the ignition coil ground wire from the negative terminal on the coil (Green Wire).
Connect one end of a ground wire to the ignition coil negative terminal.
Turn the ignition switch to the ON position.
Tap the other end of the ignition coil ground wire jumper on an good grounding point (for example the battery negative terminal) and look for sparks at the spark plug that correspond to the frequency of your tapping of the ground wire.
If you have a good spark at the spark plug, the ignition coil is good.
If you don't get a good spark, check for approximately 12 VDC from the coil positive terminal (black wire) to ground with the ignition switch in the ON position. You should also get approximately 12 VDC from the coil negative terminal (Green wire) to ground
Ignition Coil Resistance Check

In addition to the test above, you may elect to perform an ignition coil resistance check as confirmation of the coil's condition.

Check the ignition coil primary coil resistance by connecting an ohmmeter between the positive (Black wire) and negative (Green wire) terminals on the coil. The resistance should be 0.4 to 0.6 ohms.
Check the ignition coil secondary coil resistance by connecting an ohmmeter between the coil output terminal and the ignition coil negative terminal. The resistance should be 5000 to 7200 ohms.

You may have a bad coil or bad ground or wire connection

Jan 23, 2017 | Cars & Trucks

1 Answer

2001 s10 no spark no power to fuel pumpe eng cranks over


Hello Gary,

Lets start with the no spark...


Diagnosis & Testing

http://www.autozone.com/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f803714e1


The Distributor Ignition (DI) system is controlled by the Powertrain Control Module (PCM).

The Distributorless Ignition System (DIS) is controlled by the Powertrain Control Module (PCM).

Testing The Ignition Coil

  1. Remove the ignition coil(s).
  2. Using an ohmmeter, check the resistance between the primary terminals on the underside of the coil. The resistance should be 0.50-0.90 ohms.
  3. Check the resistance between the secondary terminals. It should be 5000-10,000 ohms.
  4. If the coil failed either test, replace the coil.
If the coils(s) are good check the ignitions leads by measuring their resistance. (Multi Meter required.) If the coil(s) and leads are good

Secondary Spark Test
http://www.autozone.com/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80371564


Please provide some details on your engine option 4 cylinder/6cylinder 2 WD 4 WD. Mileage...

Jul 24, 2016 | 2001 Chevrolet S-10

1 Answer

I have a 2001 roadking police bike. it has no spark. the bike cranks fine the fuel pump works, I checked all fuesess relays. checked the ckp sensre for metal ,checked the pickup senser metal. checked




Are the plugs installed because without compression you will not get ignition/spark.

Are there any codes set???

Is the ignition fuse okay??? Is ECM fuse okay?

Of course first you need power to the coil which should be there whenever the ignition and run switches are on if so see below:


Are the plugs installed

Remove the coil. THEN set your ohmmeter scale to RX1 and place ohmmeter leads on the primary coil windings A (front of coil) to B (middle of coil), B to C (front of coil) and check for primary coil winding resistance which normal resistance range is 0.5-0.7 ohms. If primary resistance is not within this range check out test results below.


Ignition Coil Secondary Circuit Test

With the ignition coil removed from the motorcycle and the ohmmeter set to the RX1K scale place the ohmmeter leads on the secondary coil windings B (middle terminal) to

R (rear secondary terminal/socket), B to F (front secondary terminal/socket) and check for secondary coil winding resistance which normal resistance range will be 5.5-7.5K ohms. If secondary resistance is not within this range check out test results below.


Test Results

A low resistance value indicates a short in the coil winding which requires coil replacement.


A high resistance value might indicate that there is some corrosion/oxidation of the coil terminals requiring the coil terminals to be cleaned and the resistance test then repeated and if after the test is repeated the resistance is still high after the terminals were cleaned the coil must be replaced.

If there is an infinite ohms or no continuity) resistance value the coil is open and must be replaced.


If you have spark, it sounds like either the sensor in the timing cavity of the engine is bad or the electronic ignition unit is bad.


Oct 18, 2014 | 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

2 Answers

Ignition Coil blowing


check the alternator voltage output

Apr 28, 2012 | Toyota Corolla Cars & Trucks

1 Answer

My 92 explorer has no spark


Hi, here are some tests you can do to diagnose the problem. Please let me know if you have questions.

First, use a voltmeter or 12 volt test light to check for power on the red wire going to pin 8 of the ignition control module when the key is on. The module is in the left front corner of the engine compartment.

jturcotte_2441.gif
jturcotte_2440.gif

If there is no power, the problem is the ignition switch or EEC relay. If there is power, next, check the ignition coil as listed below.

IGNITION COIL TESTINGPrimary and Secondary Circuit Tests
  1. Turn the ignition switch OFF , disconnect the battery, then detach the wiring harness connector from the ignition coil to be tested.
  2. Check for dirt, corrosion or damage on the terminals.

PRIMARY RESISTANCE
  1. Use an ohmmeter to measure the resistance between the following terminals on the ignition coil, and note the resistance:

Except 2.3L, 2.5L and 5.0L engines


B+ to Coil 1 B+ to Coil 2 B+ to Coil 3
The resistance between all of these terminals should have been between 0.3-1.0 ohms. If the resistance was more or less than this value, the coil should be replaced with a new one.

SECONDARY RESISTANCE


jturcotte_2439.gif

Fig. Fig. 1: Engine ignition coil harness connections-3.0L and 4.0L engines

  1. Measure, using the ohmmeter, and note the resistance between each corresponding coil terminal and the two spark plug wire towers on the ignition coil. The coil terminals and plug wires towers are grouped as follows:
Except 2.3L, 2.5L and 5.0L engines

Terminal 3 (coil 1)-spark plugs 1 and 5 Terminal 2 (coil 3)-spark plugs 2 and 6 Terminal 1 (coil 2)-spark plugs 3 and 4

If the coils test good, move on the the crankshaft sensor.
Using a DVOM set to the DC scale to monitor less than 5 volts, measure the voltage between the sensor Cylinder Identification (CID) terminal and ground by backprobing the sensor connector. If the connector cannot be backprobed, fabricate or purchase a test harness. The sensor is okay if the voltage reading varies more than 0.1 volt with the engine running at varying RPM. (check both the blue and gray wires at the ignition module with the engine cranking.)



jturcotte_2442.gif

Fig. Fig. 3: CKP sensor wire harness connections for the 4.0L (VIN X and E) engines


If there is power and both the coils and sensor check good, replace the ignition control module.

Oct 27, 2011 | Cars & Trucks

1 Answer

Where is the ignition module located in a 1995 camry


Ignition Module REMOVAL & INSTALLATION
  1. Turn the ignition key to the OFF position.
  2. Separate the wiring harness connections.
  3. Unbolt the igniter.
  4. Loosen the nut holding the wire lead onto the coil.
  5. Tag and disconnect the wire lead.
  6. Lift the igniter off its mount.
  7. Installation is the reverse of removal.
---

The following is related by not the same as the 'ignition module.':
Ignition Coil TESTING 1994–95 Models
  1. Turn the ignition key to the OFF position. Disconnect the negative battery cable. Wait at least 90 seconds from the time the negative battery was disconnected to start work. CAUTION
    Work must be started after 90 seconds from the time that the ignition switch is turned to the LOCK position and the negative battery cable is disconnected from the battery.
  2. Using a 5mm hexagon wrench, remove the 2 cap nuts and the V-bank cover. Fig. 1: Remove the V-bank cover, a 5mm hexagon wrench will be needed — 1MZ-FE engine 89552g58.gif

  3. Disconnect the ignition coil wiring from the coil being tested. Fig. 2: Disconnect the ignition coil wiring from the component being tested — 1MZ-FE engine 89552g59.gif

  4. Insect the primary coil resistance using an ohmmeter. Measure the resistance (cold) between the positive and negative terminals. Resistance should be between 0.54–0.84 ohms. Fig. 3: Attach an ohmmeter to the positive and negative terminals of the coil — 1MZ-FE engine 89552g60.gif

  5. If the resistance is not within specifications, replace the ignition coil.
  6. Reattach the ignition coil wiring.
  7. Reinstall the V-bank cover. Push on the cover until a click is felt, then tighten the cap nuts.
  8. Connect the negative battery cable. Reset any digital equipment such as radio memory and the clock if necessary.

Jul 26, 2010 | 1995 Toyota Camry

3 Answers

Where is the ignition coil located?


For test:
  1. Follow the coil wire from the center terminal on the distributor cap to the end at the ignition coil. Make sure that the transmission is in Park (AT) or Neutral (MT) and that the ignition is turned OFF .
  2. Separate the wiring harness connector from the ignition module at the distributor. Inspect for dirt, corrosion and/or damage. Reconnect the harness if no problems are found.
  3. Attach a 12 volt DC test light between the coil TACH terminal and an engine ground, then crank the engine. If the light flashes or is continuous:
    1. Turn the ignition switch OFF .
    2. Detach the ignition coil connector on top of the coil and inspect for dirt, corrosion and/or damage.
    3. Using an ohmmeter, measure the ignition coil primary resistance from the BATT to the TACH terminals.
    4. The ohmmeter reading should be 0.8-1.6 ohms. If the reading is less than 0.8 ohms or greater than 1.6 ohms, the ignition coil should be replaced.
    5. Using an ohmmeter, measure the ignition coil secondary resistance from the BATT terminal to the high voltage terminal.
    6. The resistance should be 7,700-10,500 ohms. If the resistance is less that 7,700 ohms or greater than 10,500 ohms, replace the ignition coil.
For Removal:
  1. Disconnect the negative battery cable.
  2. Detach the coil electrical connector(s).
  3. Unfasten the retainers, then remove the ignition coil from the vehicle.
  4. Installation is the reverse of the removal procedure.

Hope helped with this.

Nov 11, 2009 | 1990 Mercury Cougar

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.

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* 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.


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# 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

2 Answers

1996 hyudai accent


CHECKING IGNITION COILS
1. Measurement of the primary coil resistance. Measure the resistance between connector terminals 3 and 1 (the coils at the No. 1 and No. 4 cylinder sides) of the ignition coil, and between terminals 3 and 2 (the coils at the No. 2 and No. 3 cylinder sides).
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2. Measurement of the secondary coil resistance. Measure the resistance between the high-voltage terminal for the No. 1 and No. 4 cylinders, and between the high-voltage terminals for the No. 2 and No. 3 cylinders. Be sure, when measuring the resistance of the secondary coil, to disconnect the connector of the ignition coil.959e0ec.gif


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CHECKING SPARK PLUG CABLES 1. Check the cap and outer shell for cracks. 2. Measure the resistance Spark plug cable (SOHC)
Resistance should not be higher than 10,000Ω per foot of cable. If resistance is higher, replace the cable.

Aug 13, 2008 | 1996 Hyundai Accent

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