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Calling Any SC300 4 speed A340 Gurus

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Old 04-29-14, 05:22 PM
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supascoob
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Default Calling Any SC300 4 speed A340 Gurus

This is a cross post from my replies on https://www.clublexus.com/forums/per...tml?styleid=14

1995 Lexus SC300 automatic.

Originally Posted by supascoob
Bumping this...

Could really use someone with a lot of sc300 AT experience.

First of all, when you get a code 62, which indicates a bad "number 1 shift solenoid," I was under the impression that is only ONE solenoid. Is this the case?

According to one of those diagrams I listed above there are TWO number one shift solenoids..

And then I called a local dealer (Newport Beach Lexus) and gave them my vin so I could get a straighter answer, he sent me the diagram that came up with my car/vin (mfg 1994, model year 1995) on his computers and I attached it to this comment. This diagram shows two number 1 solenoids and one number 2 solenoids. If this is the case and the diagram is true, does that mean a code 62 requires both number one solenoids to be replaced?

My symptoms:
Code 62 - OD off light flashing while driving.
When my transmission is in -
Drive - 3rd gear and OD (4th)only.
2 - 3rd gear only.
L - 1st gear only.

However, according to this website(http://www.autoshop101.com/forms/h16.pdf), on page 15, the figure illustrates that when only number 1 solenoid is malfunctioning the transmission should still be able to get to 2nd gear while in L

It even says when both are WORKING, in L drive, you have 1st and 2nd gear... Is this true??

That link then states when both number 1 and number 2 solenoids are malfunctioning you will only have 1st gear in L and only 3rd gear in "2" and only 3rd and OD(4th) in "D"

So what could be the case for my trans ??

This seemed like an easy code to tackle, but the more I research it, the more vague the data becomes.
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Old 04-29-14, 05:25 PM
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supascoob
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This was one of my previous posts to that thread that might have useful info but the diagrams also helped to confuse me.

Originally Posted by supascoob
Had a quick question before I purchase solenoid from Lexus.

My 1995 Lexus SC300 is throwing a code 62, bad solenoid number 1.

The first issue at hand is whether or not I need to replace 1 solenoid or 2 of them. It seems that the A340 for our cars has two different set ups which I will show post diagrams of.

So how do I tell which transmission I have and which solenoid to replace?
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Old 04-29-14, 05:29 PM
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supascoob
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Additional diagram
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Old 09-27-14, 10:36 AM
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Rezist89
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bump more info
Old 09-29-14, 08:16 PM
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marhain
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Toyota parts fische can suck it with bad terminology. You need the front number one solenoid in your first picture. The team that did diagrams and the team that did repair manual don't ever talk. No. 1 solenoids are shift solenoids of which there are two. Number 2 solenoid is the slu line pressure control solenoid which controls shift quality and has nothing to do with your code. It's late and I don't feel like explaining shift patterns with failed/working solenoids. If you are really interested in it I'll take a stab tomorrow
Old 10-03-14, 12:12 PM
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IneednSC
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Where is the best place to purchase solenoids for a decent price?
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