Question about 1994 Toyota Land Cruiser

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Problem with a442f toyota auto transmision shifts through gears well but drops down gears while driving at below 80 km. resently servised with new oil and filter. due to wet season driving on muddy raods and water could this be conneted fault and where could it be located.service manual sujjest to find macanichal or electical fault drive vechical with solenoid wiring desconected dose not explain where conecter is please help . is it safe to contiune driving as fault is sometimes bad and other times not there. have tryied disconeted negative terminal to reset ecu. no change

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: I have an 80 series

It seems like your "2nd start" button is turned on. The 80 series LC has a button next to the shifter which allows it to start in 2nd gear. If the button is not engaged then there could be a problem with the circuit, but that is not common

Posted on Dec 20, 2010

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  • 496 Answers

SOURCE: 1991 toyota 4runner,2wheel drive,3.0 engine.

I had the same problem on my '92 4runner and it was the 1-2 shift solenoid. The solenoids can be checked with an ohm meter but may read okay. Then while in service and warm, they will intermittently fail. I ended up changing the 1-2 shift solenoid and it solved the shift problem.

Posted on Feb 26, 2011

  • 14036 Answers

SOURCE: have a vx 80 toyota landcruiser automatic

SOLENOID OVER DRIVE SWITCH BEEN CHANGED.I WOULD SAY YOU HAVE 2 STUCK SHIFT VALVES 1 AND 2 IN VALVE BODY.

Posted on Jun 14, 2011

Wolfman304
  • 720 Answers

SOURCE: i have automatic vx 80

Hi there,

Presuming you have correctly extracted Transmission codes (and not engine codes)....

Firstly, when you extracted the codes previously, did you erase them from the ECM? You should always erase the codes using scan tool (or remove ECM fuse, or disconnect NEG battery for few minutes) after any repair.

The ECM commands gearshifting by turning shift solenoids ON/OFF. When the ECM detects problems with any of the solenoids, it sends the transmission into Fail-Safe mode (controls only the good solenoids) when in Drive.

If these transmission codes are fresh faults, then these are:

Code 62: Solenoid #1 circuit fault. You will need to re-inspect the wiring to solenoid #1 (maybe loose connector?) and the solenoid itself (as per diagrams below).

Measure resistance between terminals 1 & 2 of the connector.
Should be between: 5.0 to 5.6 Ohms at 20deg C (68deg F)

wolfman304_39.gif
Connect battery (POS +) lead with a 21w bulb to terminal 2 of solenoid connector and battery (NEG -) to terminal 1 of solenoid connector (as per diagram below). You should hear the solenoid operate.

wolfman304_40.gif
If both tests prove OK - then test/repair wiring loom.
If test in NOT ok - then replace solenoid.


Code 65: Timing Solenoid circuit fault. Test procedure same as above.


Cheers,



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Posted on Jun 15, 2011

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