Question about 1994 Toyota Camry

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No Spark 1992 toyota camry

Resistance values:
Between coil posts(coil unconnected) = .56 ohms.
Secondary coil resistance: 3.4 Kohms

Signal Generator:
Between G+ and G- 238 ohms
Between NE+ and NE 479 ohms

Voltage values=
+12 vdc on both coil posts

Between TE1 and TE2: 7.4 VDC
Between TE2 and E1: 5 VDC

Condition: Engine died suddenly without previous symptoms.
1992 Camry with 90K miles.

Before I begin to purchase things, Is there anything else I should check. If not, is there any clue as to what it should be?

The igniter or the ECM I am sure, I just wanted to do a sanity check.
Thanks a ton,
ken

Posted by on

  • flsflyer May 19, 2009

    thanks Frank,
    I will check this next.
    ken


  • flsflyer May 25, 2009

    Hi Frank,
    What would be my "test point" for this test?
    It looks like I can "unplug" the sensor but that location is a "one hand" only location so getting a meter on that seems too tough. In your response, it seems as though I can put a meter on the electrical output of the sensor circuit. Where can I puck that up?
    Thanks a ton,
    ken


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  • 245 Answers

You should also check the crank position sensor this is what tells the ecm when to spark. this is a prox switch and when unplugged and checking ohms while cranking you should see a sqaure wave. should go from 0 ohms to infinity. when these go out you will not get any spark on any cylinder

Posted on May 19, 2009

  • jon fuller May 25, 2009

    the sensor goes directly to the ecm so it will be hard to follow the wires up to it you could just poke the ends of the test probe into the wire where you can get to it and be out of the way of anything running and have someone turn the car over but it should also throw a code to the ecm if it doesnt see anything so you could scan the computer and check that as well.

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1997 buick lesabre runs good but hard to start


Hard Start
Checks
Action
Definition: Engine cranks OK, but does not start for a long time. Does eventually run, or may start but immediately dies.
Preliminary
• Refer to the Powertrain On Board Diagnostic (OBD) System Check .
• Refer to Important Preliminary Checks .
• Refer to Visual/Physical Checks .
• Search for bulletins.
Sensor/System
• Check Engine Coolant Temperature (ECT) sensor for being shifted in value. Connect a Scan Tool and compare the Engine Coolant Temperature with the Intake Air Temperature on a cold engine. The ECT and IAT should be within ± 3°C (5°F) of each other. Check the resistance of the ECT sensor if the temperature is out of range with the IAT sensor. Refer to Temperature vs Resistance . If the ECT sensor resistance is not within the specification, refer to DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage or DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage .
• Check the throttle body inlet screen for foreign objects or damage that may affect the MAF sensor airflow sample. Refer to Throttle Body Assembly Replacement .
• Use a scan tool in order to check the IAC operation. Refer to Idle Air Control (IAC) System Check .
• EGR system. Check the for the following conditions:
- EGR pipes and adapter for vacuum leaks.
- Remove the EGR valve and check for a stuck open pintle. Refer to Exhaust Gas Recirculation Valve Replacement .
Fuel System
• Check the fuel pump relay circuit for proper operation. Refer to Fuel Pump Electrical Circuit Diagnosis .
• Check for incorrect fuel pressure. Refer to Fuel System Pressure Test .
• Check the fuel injectors. Refer to Fuel Injector Solenoid Coil Test .
• Check for fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Test .
Ignition System
• Check for proper ignition voltage output by using the following steps:
- Clip the spark tester J 26792 to engine ground.
- Connect one end of a spark plug wire to the spark tester while leaving the other end of the spark plug wire to the coil being tested.
- Connect one end of another spark plug wire to the other coil tower.
- Connect the other end of the spark plug wire to ground.
- Crank the engine while observing the spark tester. A crisp blue spark should be observed.
- Repeat the above steps for each coil.
• If an adequate spark is not present at the coil(s), check for the following conditions:
- Coil(s) - Cracks, carbon tracking/arcing, or a resistance value outside the specified range.
Coil Resistance
5000 - 8000 ohms (5K - 8K ohms)
- Spark Plug wires
• signs of arcing/cross
• cracks
• carbon tracking
• firing
• plug boot damage
• pinched or improper routing
• high resistance
- Spark plug wire resistances should measure less than the specified value.
VIN 1 Spark Plug Wire Resistance
7000 ohms (7K ohms).
VIN K Spark Plug Wires Resistance
10000 ohms (10K ohms).
Important: Spraying the secondary ignition wires with a light mist of water may help locate an intermittent problem. Ignition components will arc to ground when a secondary component is malfunctioning.
- Defective module.
- Ignition System Wiring - Loose ignition module feed or ground connection, or damaged system wiring.
• Remove spark plugs and check for the following conditions:
- Fouled plugs
- Cracks
- Wear
- Improper gap
- Burned or damaged electrodes
- Improper heat range or reach
• If spark plugs are gas or oil fouled, the cause of the fouling must be determined before replacing the spark plugs.
Engine Mechanical
• Excessive oil in combustion chamber-Leaking valve seals. Refer to Engine Mechanical.
• Low cylinder compression. Refer to Engine Mechanical.
• For incorrect basic engine parts. Inspect the following:
- Cylinder heads
- Camshaft and valve train components
- Pistons, etc.
- Refer to Engine Mechanical.

Nov 17, 2016 | 1997 Buick LeSabre

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

Test coil pack


You can test the pack. Not sure what the tolerances for this particular pack are, but the Primary should read in the .3-.9 ohm range and the secondary usually usually 1.0-9.0 ohms range. If you get some resistance at all, it is likely not bad. If there is zero resistance at either primary or secondary, it is probably bad and needs replacing,

Apr 22, 2014 | 2001 Volkswagen Jetta TDI

1 Answer

Computer says misfire 1&2. plugs & wires ok. Wires go to two double coils? Can they be tested? How? How much resistance will a good plug wire have?


Usually, about 1,000 ohms per inch is acceptable for spark plug wires. You also use an ohm meter to check coils. Primary resistance is typically low-about 1 or 2 ohms. Secondary resistance is typically high-about 7,000 - 12,000 ohms. It is specific for different coils, you would have to see the coil specs for your Toyota. Register for free at autozone.com, giving make, model, year, and engine size. The repair guides there may have the coil specs. It would also show how to test the coils.

Aug 05, 2013 | 1999 Toyota 4Runner

2 Answers

Misfire in cylinder 2


no ignition parts wear out car is 10yrs--the heat destroys the rubbr and causes resistence also---chec the ignition module too-may be gittn tired----a data stream that shows values is the best scan-but u need factory gear from a gud shop--will show the entire system of car

May 23, 2013 | 2003 Ford Focus

1 Answer

I feel a misfire but there no codes stored on the ecm


More than likely you need new spark plugs, or you have a bad Coil on plug. To test each coil on plug, read the following:
  • A commercial coil tester, available from many tool suppliers, is an excellent way to test suspect coils. If the coil can generate a spark on the tester, the coil should be in good condition.
  • An ohm meter can also be used to test coil winding resistance. Primary-side resistance, from coil minus to coil plus, is typically between 0.3 and 1.0 ohm on electronic ignition type coils.
  • Secondary resistance values vary widely, so consult a specifications chart for the engine you are servicing. If a spec chart isn't available, compare secondary readings among all the coils to see if any one is higher than the others. A high resistance indicates deterioration in the wiring. Surprisingly, a coil with high resistance may still fire the spark plug, but the voltage produced will be higher because the current must jump the open wiring in addition to jumping the spark plug gap.

Jun 02, 2011 | 1999 Lincoln Navigator

1 Answer

1992 toyota celica has no spark


5sfe engine? Check primary and secondary coil resistance. get back to me with values. If any value reads open, then it's bad. I will cross reference your values with my manual. I've had a problem with no spark, and both times it was the distributor. This is an all in one build. It has the pri and sec coils built into it. You'll kow if it's the same if your cap has only 4 wires coming out of it. It will not have a 5th because the coil is not external. BTW, the first time I had a problem, the coild read per the manual however, changing the distributor assembly fixed the problem.

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1 Answer

Dodge neon 1996.it has no spark.already le intal crank position sensor and cam sensor.and yet has no spark.that may be.


remove electrical plug from coil,with test light check tosee if u are getting power to the coil with the key on.(remove fuel relay during the testing) if there is power to coil then check resistence on coil. with plug still disconnected.take ohm meter and connect to the two outside plugs to check ohm resistance 0.45 - 0.65 ohms then use ohm meter to check secondary resistance.connect ohmmeter across the two secondary terminals of each coil. resistance 11.5-13.5 k-ohms. if all checks out test wires and plugs. hope this will help!!!

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1 Answer

Stalled while driving, now will not start and run.


check with inline spark tester between the coil and the plug wires for fire. also check the sparkplugs for a fouled out condition. if all checks out then check the coil with ohm meter. unplug the ignition wire connector from the coil. there should be 3 terminals on the coil. connect the ohm meter to the center pin and the other to either outside pin to check primary resistance. then using the ohm meter check the secondary resistance by connecting one end of ohm meter one tower on coil and the other end of ohm meter across to the opposite side of coil to check resistance. primary resistance--0.95- 1.20 ohms secondary resistance-- 11,300 to 13,300 ohms. if it does not check out then replace the coil.

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2 Answers

There is no spark at the plug when pulled from the engine and engine is cranked.


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