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Thread: Logs - Trans temp, TC, seems good mostly...

  1. #1
    Registered User lswing's Avatar
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    Logs - Trans temp, TC, seems good mostly...

    Ok, so I went for a quick drive. Got the car warmed up, headed out on a 92 degree day here. The cooling was actually better than expected, glad to see. At the very end I do see a random spike from the ATF temp sensor that has been throwing the error code, so that might just be the problem. Highlighted in the upper grid group is a run going 70mph in 5th, then dropping down to 4th with some gas; and you can see how it increased the ATF temp. Things cooled down quick though. Can anyone spot anything else that may be odd with the TC lock/regulate/input-output?

    Engine R Input RPM Output RP Trans. Ge ATF Tem TCC Soleno Torque conv. TC stall spe
    G182 (0-82 G195 (0-8200) N218 (TCC clutch
    /min /min /min °C A /min
    2272 2272 2848 5 85 0.408 Torq.Conv.Reg 0
    2272 2272 2816 5 92 0.408 Torq.Conv.Reg 0
    2240 2240 2784 5 92 0.408 Torq.Conv.Reg 0
    2208 2208 2752 5 92 0.408 Torq.Conv.Reg 0
    2208 2208 2752 5 93 0.408 Torq.Conv.Reg 0
    2176 2176 2720 5 98 0.408 Torq.Conv.Reg 0
    2176 2176 2688 5 80 0.408 Torq.Conv.Reg 0
    2144 2144 2656 5 80 0.408 Torq.Conv.Reg 0
    2112 2112 2624 5 81 0.408 Torq.Conv.Reg 0
    2080 2080 2592 5 81 0.408 Torq.Conv.Reg 0
    2048 2048 2560 5 81 0.408 Torq.Conv.Reg 0
    2144 2048 2560 5 80 0.416 Torq.Conv.Reg 32
    2048 2048 2528 5 81 0.432 Torq.Conv.Reg 0
    2016 2016 2496 5 81 0.408 Torq.Conv.Reg 0
    2144 2016 2496 5 81 0.44 Torq.Conv.Reg 128
    2016 2016 2496 5 81 0.44 Torq.Conv.Reg 0
    2144 1984 2496 5 81 0.424 Torq.Conv.Reg 64
    1984 1984 2464 5 81 0.424 Torq.Conv.Reg 0
    1952 1952 2432 5 81 0.408 Torq.Conv.Reg 0
    1952 1920 2400 5 82 0.408 Torq.Conv.Reg 0
    1888 1920 2368 5 82 0.408 Torq.Conv.Reg 0
    1920 1888 2368 5 82 0.408 Torq.Conv.Reg 0
    2048 2016 2336 5 83 0.408 Torq.Conv.Reg 32
    2400 2336 2336 5 83 0.408 Torq.Conv.Reg 64
    2368 2336 2336 5 82 0.424 Torq.Conv.Reg 32
    2464 2368 2368 5 82 0.464 Torq.Conv.Reg 96
    2432 2432 2432 4 82 0.52 Torq.Conv.Reg 0
    2432 2432 2432 4 83 0.744 TC Closed 0
    2432 2432 2432 4 83 0.744 TC Closed 0
    2400 2400 2400 4 83 0.744 TC Closed 0
    2400 2400 2400 4 83 0.744 TC Closed 0
    2400 2400 2400 4 84 0.744 TC Closed 0
    2432 2432 2432 4 83 0.744 TC Closed 0
    2528 2528 2528 4 83 0.744 TC Closed 0
    2560 2560 2560 4 84 0.744 TC Closed 0
    2528 2528 2528 4 83 0.744 TC Closed 0
    2496 2496 2496 4 84 0.744 TC Closed 0
    2464 2464 2464 4 84 0.416 TC Closed 0
    2432 2432 2432 4 85 0.408 Torq.Conv.Reg 0
    2432 2432 2432 4 85 0.408 Torq.Conv.Reg 0
    2400 2432 2432 4 85 0.408 Torq.Conv.Reg 0
    2304 2304 2400 4 86 0.408 Torq.Conv.Reg 0
    1888 1888 2368 4 87 0.408 Torq.Conv.Reg 0
    1920 1888 2368 5 88 0.408 Torq.Conv.Reg 0
    1888 1888 2368 5 89 0.408 Torq.Conv.Reg 0
    1888 1888 2336 5 89 0.408 Torq.Conv.Reg 0
    1856 1856 2336 5 89 0.408 Torq.Conv.Reg 0
    1856 1856 2304 5 92 0.408 Torq.Conv.Reg 0
    1824 1856 2304 5 91 0.408 Torq.Conv.Reg 0
    1792 1824 2272 5 90 0.408 Torq.Conv.Reg 32
    1760 1824 2272 5 91 0.408 Torq.Conv.Reg 32
    1760 1824 2272 5 91 0.408 Torq.Conv.Reg 32
    1728 1792 2240 5 92 0.408 Torq.Conv.Reg 32
    1792 1792 2240 5 94 0.408 Torq.Conv.Reg 0
    1856 1824 2272 5 93 0.408 Torq.Conv.Reg 0
    1888 1856 2304 5 96 0.424 Torq.Conv.Reg 64
    1920 1888 2336 5 101 0.44 Torq.Conv.Reg 32
    1920 1920 2368 5 90 0.448 Torq.Conv.Reg 0
    1920 1920 2400 5 88 0.408 TC Closed 0
    1920 1920 2400 5 86 0.408 Torq.Conv.Reg 0
    1920 1920 2400 5 85 0.408 Torq.Conv.Reg 0
    1888 1920 2400 5 85 0.408 Torq.Conv.Reg 32
    1856 1920 2400 5 84 0.408 Torq.Conv.Reg 32
    1856 1920 2368 5 82 0.408 Torq.Conv.Reg 32
    1856 1920 2368 5 81 0.408 Torq.Conv.Reg 32
    1856 1920 2368 5 81 0.408 Torq.Conv.Reg 32
    1856 1888 2368 5 80 0.408 Torq.Conv.Reg 32
    1888 1920 2368 5 80 0.408 Torq.Conv.Reg 32
    1888 1888 2368 5 80 0.408 Torq.Conv.Reg 0
    1920 1920 2368 5 80 0.408 Torq.Conv.Reg 0
    1920 1920 2400 5 81 0.408 Torq.Conv.Reg 0
    1952 1952 2432 5 81 0.408 Torq.Conv.Reg 0
    1984 1952 2432 5 81 0.408 Torq.Conv.Reg 0
    1984 1984 2464 5 81 0.408 Torq.Conv.Reg 0
    2080 1984 2496 5 81 0.416 Torq.Conv.Reg 32
    2048 2016 2528 5 82 0.432 Torq.Conv.Reg 32
    2016 2016 2528 5 83 0.408 TC Closed 0
    2048 2048 2528 5 83 0.408 Torq.Conv.Reg 0
    2016 2016 2528 5 83 0.408 Torq.Conv.Reg 0
    1984 2016 2528 5 84 0.408 Torq.Conv.Reg 0
    1984 2016 2496 5 85 0.408 Torq.Conv.Reg 0
    1952 1984 2464 5 86 0.408 Torq.Conv.Reg 0
    1920 1952 2432 5 86 0.408 Torq.Conv.Reg 0
    1856 1888 2368 5 87 0.408 Torq.Conv.Reg 0
    1792 1856 2304 5 88 0.408 Torq.Conv.Reg 32
    1728 1760 2176 5 90 0.408 Torq.Conv.Reg 32
    1568 1600 1984 5 92 0.408 Torq.Conv.Reg 0
    1472 1536 1888 5 141 0.408 Torq.Conv.Reg 32
    Last edited by lswing; June 7th, 2015 at 21:38.
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  2. #2
    Registered User 4everRS's Avatar
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    I'm guessing that when the tc is locked, you where slightly accelerating? Looks like it, based on rpms. What is the last figure? Maybe it's the little screen I'm looking at it from, but I don't see what that is.

    I would really consider getting that sensor replaced.
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  3. #3
    Registered User lswing's Avatar
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    Thanks. Yep, will replace the G93 sensor when I get a chance. Need to source one as its part of the valve body wiring.

    I mainly wanted to see that temps were ok, and TC was locking up. Last column in table is just stall speed, and gets cutoff on small screens.

    Actually TC locks up on cruising I thought, and is in regulate mode when decel/accelerate, open when stopped. Amount Tc regulates varies on rpm and sensed torque, something like that.

    That very last number, 141 temp, random out of the blue, creating the temp sensor intermittent that shows on a scan I'm sure, no CEL.
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    Does your TC ever lock in 5th gear

  5. #5
    Registered User lswing's Avatar
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    Quote Originally Posted by DHall1 View Post
    Does your TC ever lock in 5th gear
    Good point. It should be locked more I would think. This was on slight rolling hills so maybe it didn't lock since I wasn't steady with the throttle, or the temp sensor can also mess with locking. I'll look over the extended logs. Downside of not locking enough would be higher temps and lower fuel economy I believe.

    Edit; Yes, locks in 5th for extended time when level throttle. Didn't know it locked in 4th?

    Edit2; I'm impressed with the atf cooling system. On a 90+ degree day it quickly lowers the fluid temp after acceleration, well within a safe range.
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  6. #6
    Registered User lswing's Avatar
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    Closed in 5th below, then opening with feathering of throttle. What I see that's odd is that it's locking when I shift to 4th in the above log, and I thought it was only supposed to lock in 5th.

    Engine R Input RPM Output RP Trans. G ATF Tem Torque conv. TC stall sp
    G182 (0- G195 (0-8200) clutch
    /min /min /min ÁC /min
    2656 2304 640 1m 69 TC Open 448
    3232 2880 832 1m 70 TC Open 288
    2944 2240 1024 1m 71 TC Open 512
    3328 2752 1248 1m 72 Torq.Conv.Re 608
    3840 3392 1536 1m 72 Torq.Conv.Re 544
    4192 3936 1792 2 72 Torq.Conv.Re 288
    3520 3168 1952 2 72 Torq.Conv.Re 256
    3552 3296 2176 2 72 Torq.Conv.Re 320
    3776 3616 2400 3 72 Torq.Conv.Re 160
    4032 3936 2592 3 72 Torq.Conv.Re 128
    4064 3968 2752 3 72 Torq.Conv.Re 0
    3104 2880 2880 3 72 Torq.Conv.Re 128
    3008 2976 2976 3 73 Torq.Conv.Re 64
    2976 3008 3008 4 72 Torq.Conv.Re 0
    2304 2400 3008 4 73 Torq.Conv.Re 0
    2272 2336 2912 4 72 Torq.Conv.Re 32
    2272 2304 2880 4 72 Torq.Conv.Re 32
    2240 2272 2816 5 73 Torq.Conv.Re 32
    2240 2240 2784 5 73 Torq.Conv.Re 0
    2144 2208 2752 5 72 Torq.Conv.Re 0
    2112 2176 2688 5 72 Torq.Conv.Re 32
    2080 2144 2656 5 72 Torq.Conv.Re 32
    2080 2112 2624 5 72 Torq.Conv.Re 32
    2176 2112 2624 5 72 Torq.Conv.Re 0
    2240 2112 2624 5 72 Torq.Conv.Re 96
    2176 2144 2656 5 72 Torq.Conv.Re 64
    2144 2144 2688 5 72 Torq.Conv.Re 0
    2144 2144 2688 5 73 Torq.Conv.Re 0
    2144 2144 2656 5 74 Torq.Conv.Re 0
    2208 2144 2656 5 75 Torq.Conv.Re 64
    2144 2144 2656 5 78 TC Closed 0
    2112 2144 2656 5 80 Torq.Conv.Re 0
    2272 2144 2656 5 81 Torq.Conv.Re 128
    2144 2144 2688 5 81 Torq.Conv.Re 64
    2240 2144 2656 5 81 Torq.Conv.Re 0
    2144 2144 2656 5 82 Torq.Conv.Re 64
    2144 2144 2656 5 82 TC Closed 0
    2112 2144 2656 5 82 TC Closed 0
    2112 2144 2656 5 82 TC Closed 0
    2112 2112 2656 5 83 TC Closed 0
    2112 2112 2624 5 83 TC Closed 0
    2112 2112 2624 5 83 TC Closed 0
    2112 2112 2624 5 81 TC Closed 0
    2112 2112 2656 5 80 TC Closed 0
    2144 2144 2656 5 80 TC Closed 0
    2112 2112 2656 5 80 TC Closed 0
    2112 2112 2624 5 80 TC Closed 0
    2080 2080 2592 5 80 TC Closed 0
    2080 2080 2592 5 80 TC Closed 0
    2080 2048 2560 5 80 TC Closed 0
    2048 2048 2560 5 79 TC Closed 0
    2048 2048 2560 5 80 TC Closed 0
    2080 2080 2560 5 78 TC Closed 0
    2080 2080 2592 5 78 TC Closed 0
    2080 2080 2592 5 77 TC Closed 0
    2080 2080 2592 5 76 TC Closed 0
    2112 2112 2624 5 76 TC Closed 0
    2144 2144 2656 5 76 TC Closed 0
    2176 2176 2720 5 76 TC Closed 0
    2208 2208 2752 5 76 TC Closed 0
    2208 2208 2720 5 75 Torq.Conv.Re 0
    2176 2176 2720 5 74 Torq.Conv.Re 0
    2176 2176 2688 5 74 Torq.Conv.Re 0
    2176 2144 2688 5 74 Torq.Conv.Re 0
    2112 2144 2656 5 74 Torq.Conv.Re 0
    2080 2112 2624 5 73 Torq.Conv.Re 0
    2016 2048 2560 5 73 Torq.Conv.Re 0
    1952 1984 2464 5 73 Torq.Conv.Re 0
    1824 1856 2304 5 74 Torq.Conv.Re 0
    1760 1792 2240 5 75 Torq.Conv.Re 32
    1728 1760 2176 5 76 Torq.Conv.Re 32
    1792 1760 2176 5 81 Torq.Conv.Re 0
    1952 1760 2208 5 87 Torq.Conv.Re 160
    1952 1824 2272 5 92 Torq.Conv.Re 128
    1952 1856 2304 5 94 Torq.Conv.Re 96
    1984 1920 2400 5 95 Torq.Conv.Re 64
    2048 1984 2464 5 97 Torq.Conv.Re 64
    2048 2048 2560 5 89 Torq.Conv.Re 0
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  7. #7
    Registered User lswing's Avatar
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    ^^^Interesting how it takes until about mid up to third gear for the output speed of the TC to catch up with the input speed. Next time I might log Torque as that is an option. But TC seems to be working as it should by regulating the power from the engine into the trans.

    This is a 0-70 MPH log above, and TC activity and temps seem reasonable. Interesting how near the end, what really bumps up the ATF temp is the easing up or feathering of throttle in 5th as the TC then goes from closed to regulate. Maybe increased load while cruising in 5th as I'd think ATF would heat up more under acceleration.
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  8. #8
    Registered User lswing's Avatar
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    OK, dumb question, but if the TC is in Closed mode why are the input and output speeds not the same? I thought closed meant locked up, as in same engine and input/output speed.

    If anyone else could chime in or get a similar log it would be much appreciated. Categories are in the Trans Params section instead of Engine Params in VCDS. Blocks 1, 7, 10 are what I chose, it's easy to find.
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  9. #9
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    Input and output speeds are for the transmission, right? Not the TC? The TC input and output speeds are "Engine RPM" and "Input RPM". The numbers in the logs seem to support that.
    RS6 #1, 01E, 2.5" straight pipes, AMD Stage 1 6MT tune, 460awhp/530awtq on AMD's Mustang dyno. TOTALLED.. RS6 #2, Ebony Black Pearl on black/silver combination with carbon, up and running with 6 gears and AMD tune.

  10. #10
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    Also, I logged mine a few times before doing the manual conversion. The TC would lock up in most of the gears if I remember right. Definitely 3rd, 4th, and 5th anyway. Maybe not 1st and 2nd, I can't recall for sure.
    RS6 #1, 01E, 2.5" straight pipes, AMD Stage 1 6MT tune, 460awhp/530awtq on AMD's Mustang dyno. TOTALLED.. RS6 #2, Ebony Black Pearl on black/silver combination with carbon, up and running with 6 gears and AMD tune.

  11. #11
    Registered User lswing's Avatar
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    Quote Originally Posted by P1054 View Post
    Input and output speeds are for the transmission, right? Not the TC? The TC input and output speeds are "Engine RPM" and "Input RPM". The numbers in the logs seem to support that.
    Thanks for clarifying, makes sense.

    OK, so brings up one more question. The gearing of the trans in 5th makes the RPM output greater than the input it appears. When accelerating in 1st, 2nd, and 3rd you can see the RPM output lags way behind the input, and finally catches up by 4th; I'm hoping this is not slipping of the trans and just due to gearing or the act of shifting?

    Edit; Looking at other parts of the logs, when taking off from 1st gear with light throttle, the input and output RPMs show the same variation, so I'm assuming it's the gearing of the trans.
    Last edited by lswing; June 8th, 2015 at 18:41.
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  12. #12
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    That would the the different gear ratios of each gear. You could use the gear ratios to determine what the input-to-output RPM ratio should be and determine any slippage from that, but at a glance your numbers seem reasonable.
    RS6 #1, 01E, 2.5" straight pipes, AMD Stage 1 6MT tune, 460awhp/530awtq on AMD's Mustang dyno. TOTALLED.. RS6 #2, Ebony Black Pearl on black/silver combination with carbon, up and running with 6 gears and AMD tune.

  13. #13
    Registered User lswing's Avatar
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    Quote Originally Posted by P1054 View Post
    That would the the different gear ratios of each gear. You could use the gear ratios to determine what the input-to-output RPM ratio should be and determine any slippage from that, but at a glance your numbers seem reasonable.
    Sounds about right. Just in case you didn't see previous threads, I'm looking over things because I'm getting a soft code "G93 Temp Sensor Intermittent". I've had this before on a previous trans, stupid sensor is small and simple, but I guess I get to replace one again. Just making sure things are operating reasonably for now.
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