Question about 1995 Honda Odyssey

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I have a 95 odyssey. It will not crank when the engine is warm.

If I let it sit for hours it will start perfectly.

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  • mbdcr Jan 10, 2009

    I heard it could be the main relay. Where exactly is the main relay located, and what does it look like?

  • mbdcr Jan 10, 2009

    The battery and connections are good. The problem only happens when it is warmed up .. and seems to be getting worse.

    brad

  • mbdcr Jan 10, 2009

    The battery and connectons are good. When it is cold it cranks and starts easily. If it is warm I may have to turn the key a few times -- first times it may click once, or not make any sound at all. Then it may crank and will start. However, once it has been running longer, it will not crank until it has been sitting for a few hours.
    I heard it could be the main relay, but I am not sure where exactly it is located on a 95 Odyssey or what wires come out of it.

  • mbdcr Jan 14, 2009

    I'm still having trouble finding the main relay. I can't tell from the picture how many wires connect to it. Do you know the color of the wires? Is it on the left side of the dash near the fuse box or over by the centre console?

  • mbdcr Jan 19, 2009

    I've tried hitting the starter. I am pretty sure that is not the problem this time. I was going to change the main relay since a few people have suggested that - but I can't find it. I know it shouldn't be hard to find -- but I see it. It is supposed to be under the dash on the left side. Can anyone be more specific...thanks

  • mbdcr Jan 23, 2009

    I understand that it could be the starter -- but the help I could really use is for someone to tell me exactly where the main relay is on a 96 Odyssey. I can't find it on the left side under the dash or behind the glove box or in the centre console -- Where is it hiding?

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Check your main relay for the fuel pump

Posted on Apr 01, 2009

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I have a 95 odyssey. It will not crank when the en - 576c698.jpg
I would lean more towards the starter solenoid the relay would tend to act up at any time sounds like when your solenoid gets warm it has an open circuit. this is on the starter. if you hear the starter clicking then relay is doing its job

Posted on Jan 23, 2009

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Make sure you have a good connection between the starter and the battery. Also if you have an alarm check that. On one of my friends trucks. it had a alarm on it that will kill the starter. When we removed th alarm it started up like it was new.

Posted on Jan 19, 2009

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If your vehicle has a throttle position sensor, you might want to check it for smooth operation. Usually, they receive 5 volts from the computer and that is fed back to the computer based on the throttle position. You can measure the feed back using a volt meter with the key in the on position. Measure the return voltage and watch for smooth operation through the full range of the sensor. You might try unplugging the connector and replugging it in. Sometime dirty contacts can cause problems.
But it Sounds more like your ignition module is getting hot and not working. I'd go there first before replacing the TPS. You can remove the ignition module and most NAPA stores have the ability to test them for you. Make sure they test it at least 5 times. This way it'll simulate starting and stopping.

Posted on Jan 19, 2009

  • blueextc3221
    blueextc3221 Jan 19, 2009

    Final suggestion is to replace the starter. A dead spot on the motor, a faulty solenoid, and a few other problems would cause intermittant starting when the car has reached operating temperature.

    Tolerances inside the housings are very tight, and when the metal thermally expands, if there is a small variance, it can turn into a problem.

    You can also have the starter tested for proper operation by taking it in to an autoparts store.

    Keep us posted!

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As others have said, the starter is the most likely culprit.

Posted on Jan 14, 2009

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Next time it just clicks... hit the starter with a hammer... if it starts cranking over ... replace the starter.

Robert

Posted on Jan 10, 2009

  • Roberta Smith
    Roberta Smith Jan 19, 2009

    The relay i believe you are looking for is in the fuse panel located in the engine compartment near the battery... i do share toyoto eds feeling about the relay tho. Next time it is hot and won't start.. have someone turn the key and someone else smack the starter with a hammer... if it starts or trys to... replace the starter.



    Robert

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Hi and welcome to FixYa,

offhand you describe problem could be a number of electrical possibilities, among them:
corroded/overheating battery or starter terminal (least likely);
starter solenoid (likely). Since it is basically integrated to the starter, it could be bench tested and if found defective, might be better off replacing the entire starter assembly;
main relay (most likely) as you were informed.
If it were the main relay, it would look like the image below.
I have a 95 odyssey. It will not crank when the en - 788a232.jpg
In most version, it would be on the left side of the dashboard.
60c1cfd.jpg
ElectricaI have a 95 odyssey. It will not crank when the en - 48130cd.jpgld be wired as shown below.
48130cd.jpg
Pls post back result(s). Good luck and Thank you for using FixYa.

Posted on Jan 10, 2009

  • Louie  Role
    Louie Role Jan 14, 2009

    To my knowledge, on the versions available in my country, the main relay (starter cut relay) would be under the dashboard, driver side. There would be a number of relays and likewise a fuse box. The starter cut relay would have 2 black/white wires, a blue/black and a black/red. The 2 black/white wires would have +12VDC when the key is turned to START; the blue/black would be connected to the transmission switch (for automatics) while the black/red would be going to the starting solenoid.

    Often problem with this relay is a cold solder on some of the joints. This could be verified; when trying to start and starter will not engage, try thumping on the main relay while key is turned to START. If it cranks, then the relay is faulty. Should you venture into opening the relay to expose the small printed circuit board, it is possible to re-solder the joints and apply additional soldering lead. Should re-soldering be not corrective and/or the thumping would not verify the cold solder possibility, temporarily jumping the black/white wire to the black/red should bypass the relay and trigger the starting solenoid direct from the ignition switch.

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I would think that you have bad contacts on the starter solenoid. They may be worn, and when they are worn, there is insufficient contact to transfer the battery power to the starter motor. I would consider a starter replacement, or, at the least, remove the starter and replace the contacts.

Posted on Jan 10, 2009

  • Toyota Ed Jan 10, 2009

    I would doubt that it is the main relay. If the relay was the case, it would happen all of the time, not OK cold, and bad hot.

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Check your battery.

Posted on Jan 10, 2009

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