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The mkiv Supra Owners Club

Common Faults With Supra Automatic Transmissions & Workshop Manual PDF's


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Most faults are self inflicted by throttle-body tinkerings, electrickery dickery or poor maintenance.

 

Should your transmission fail to work properly, if you have recently tinkered with any of the above, there would be a good place to start.

 

Check list.

 

1. Correct fluid level is crucially important. http://www.mkivsupra.net/vbb/group.php?discussionid=188&do=discuss

 

2. Check for any fault codes. http://www.mkivsupra.net/vbb/showthread.php?35920-How-To-Check-the-diagnostics-codes

 

3. Correct signal from odometer is vital, check for poor connections on speed converter. http://www.mkivsupra.net/vbb/showthread.php?72588-Code-42-Fix&highlight=pink+wire+mod

 

4. Correct setting of Throttle Position Sensor is essential. http://www.mkivsupra.net/vbb/group.php?gmid=2546&do=discuss#gmessage2546 (If you have dicked with the throttle stop, you have lost the datum.)

 

5. Speed sensor signal is imperative. (See links on 2 & 3.)

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For those who seek further and/or detailed Workshop Manual information, yet are too tight to buy hard copies, below are links to this information in PDF, which are guaranteed to be a proper wind-up.

 

Nevertheless, whatever the problem may be, the answer will be in there.

 

To find the answer to your problem, someone will have to make the effort to read it and because it's your problem, the best way you can help yourself is to get reading.

 

 

The Club collection of PDF Workshop Manual Chapters

 

http://www.mkivsupra.net/vbb/content.php?51-Repair-Manuals

 

Multiple A340 Transmission Workshop Manual

 

http://www.mkivsupra.net/vbb/showthread.php?234279-A340E-ATM-Unit-Repair

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