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5SFE distributor coil resistance?


Jim.

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Can someone tell me what the test resistance should be for the distributor coil in a 1993 Camry 5SFE engine please?

My electronic service manual does not list it in the specifications.

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We must have different models Trent. I have two spares on the bench and they both only have two terminals.

Both the spares read around 4 -5 ohms.

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You aren't confusing it with the ignitor are you?

The measurements I have given you are for the pickup coil.

The measurements for the ignition coil are as follows:

Primary coil: 0.3 - 0.6 Ohms

Secondary coil: 9 - 15 Ohms

Ignitor.

120423d.jpg

Distributor(the large lump on the side contains the ignition coil).

fullc_9.png

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Trent,

I'm asking about the big coil in the distributor which fits on the back of the engine head (left side) driven by one of the camshafts and not the ignitor which is mounted on the side of the engine bay.

After some Googling, I realise there are several variants of distributors on the 5SFE engine, which is not surprising.

Mine looks like the one in this picture and has two terminals only:

http://www.partsgeek.com/1mbd4xv-toyota-camry-ignition-coil.html?utm_source=shopzilla&utm_medium=pf&utm_content=dc&utm_campaign=PartsGeek+ShopZilla&fp=pp&utm_term=Toyota+Ignition+Coil

By the way, how do you post pictures on these forums, can you describe the process please?

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That is the igntion coil. Our 5S-FE only had that type of distributor and coil. The other ones were used in MR2s and Celicas as they also had the 5S-FE. That coil has 3 terminals: a positive, a negative and a high tension discharge terminal(the big one in the centre).

As for the photos:

http://www.digicamhelp.com/processing-photos/photo-hosting/posting-photos/

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All things circled red are terminals. The lower one in the picture is the HT terminal that goes to the distributor cap and rotor. Have a look at the cap and you will understand.

middle_1_zps06ff2805.jpg

BOS03390a_zpsf3a41074.jpg

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Thanks Trent.

I'm re-building the original distributor in the car I have just acquired. I have a spare one in it now running in the meantime.

I've come to the view that the seal and "O" ring needs replacing frequently to minimise shaft wear - something that was first suggested to my by a mechanic friend.

The old one, that is running in the car now, was so worn that I had to have the distributor housing counterbored 2 or 3 mm to allow the seal to run on a new position that was not worn on the shaft. It turned out to be a successful modification.

It is worth noting here that the bearing was already feeling a bit gritty after only 125.000 klms, further indicating the need for frequent overhaul.

Edited by Jim.
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