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    1UZ - A340f stopped shifting in drive

    Thanks for all these items. I tested what I could so far but was a little unsure of how to test some of them. 1. Not sure how to test the solenoids. I was thinking of manually manually applying 12V to S2 while driving to see if I get a change from 1->2. 2. I tested the throttle position sensor...
  2. C

    1UZ - A340f stopped shifting in drive

    Thank-you so much for the response. Yes that is right, it stays in first and won't shift to second. Even when pushing the RPM beyond where I know it should have changed. Yes, the transmission seems to behave fine when I manually select 2 or L. S1 and S2 measure about 16ohm to ground at the...
  3. C

    1UZ - A340f stopped shifting in drive

    Hi. I have a 1UZ, A340f using the factory ECU. The transmission has suddenly stopped shifting when in drive. I have checked (at the ECU) BATT, B+, NSW, STA, IGSW and they all seem to have power when necessary. I measured there signal between NCO- and NCO+ and also between SP2- and SP2+. The...


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