RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Applied Latest Transmission Firmware, WoW, What a difference!!

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Old 09-14-10 | 07:19 AM
  #31  
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draco
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From: Western Australia (Australia)
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2 things:

1) My car when just driving gently changes gears quite nicely. However when really stepping on it, it can seem to sought of draw out the gear and slip into the next one. Is this wha the TSB addresses? I never get any clunks etc, this is about the only grievance I have with the auto box.

2) With regards to the gearbox ECU, I remember back in the days of my Soarer (SC400 to you guys & gals) that a fuse could be pulled to reset the ECU so that it could learn the driving style. Can the same be done on the RX, or do you need to disconnect the battery and then drive the car hard to get the ECU to respond better?
Old 09-14-10 | 07:24 AM
  #32  
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lexus114
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From: Bethlehem Twsp. Pennsylvania
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resetting the ecm will only have a small % of an effect for this trans. The dealer will actually go in their and update the computer with different software. (that is what I got out of this whole thing anyway) Mine goes in on the 23rd for the tsib.
Old 09-14-10 | 07:58 AM
  #33  
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How do you verify if they have applied the latest firmware/software? Thanks!!
Old 09-14-10 | 07:59 AM
  #34  
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lexus114
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Should be a decal under the hood, if they did it.
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