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transmission computer.

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    #1

    transmission computer.

    what would it hurt by not running one?
    with the tcu i have first gear and third.
    without it I have second and fourth.
    I replaced the capacitor that was bad, it worked properly for about 4 days. now it doesn't work. took it apart, nothing else looks to be bad. It is really pissing me off.
    Originally posted by scudweiser
    once again people, need i remind you that there is no road between the kitchen and the bedroom, and therefore women need not drive?
    Tags: None
    #2
    Transmission will not shift without a TCU. Best bet is to find one in a junkyard or eBay and replace it. Could have bad components that are not visible.

    It may not even be the TCU that's bad. Could be a shift solenoid.
    Originally posted by Junior Smurff
    Nevermind guys, google search works wonders!

    I don't have road rage, my car just goes faster than yours!

    Accords are for winners. And Grandmothers. But mostly winners.

    I have grown so Tired of Internet Illiteracy. Please learn proper spelling and grammar. For your sake and that of your children.

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      #3
      how could I check the shift solenoid?
      Last edited by ingold; 08-17-2010, 03:44 PM.
      Originally posted by scudweiser
      once again people, need i remind you that there is no road between the kitchen and the bedroom, and therefore women need not drive?

      Comment

        #4
        Are you checking your codes?

        Your TCU should be throwing out a code if you're having tranny/TCU related issues.

        When you replaced the faulty capacitor, did you replace it with one of equal µf and voltage? Did you solder it on adequately and in correct polarity? Did you check your TCU for other burnt out components? Usually when a TCU fries from a faulty capacitor, it causes sequential components to fry. Check closely for other faulty parts on the board.
        My pictures/photos will return soon...

        Comment

          #5
          Disconnect the connector to solenoid. When looking at the connector (that leads to solenoid) with lock mechanism facing up, left terminal is #1 and right terminal is #2.

          1. Measure resistance between #1 and ground. Do the same for #2. Should be 14-16 ohms. If not, replace it.
          2. If resistance is good, make a connection for each solenoid terminal to the positive battery terminal. You should hear a click each time a connection is made. If no click, check continuity between the A/T control unit A11 or A12 harness and body ground.

          Checking the lock-up contol solenoid is the same process, but A/T control unit connectors are A24 and A25.

          How to know if you are checking lock-up or shift solenoid? Shift solenoid has 3 pin connector, but only 2 pins. Lock-up has two pin connector.

          Also, make sure you check your fuses under the hood!

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