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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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03-07-2020, 06:12 PM | #1 |
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Gear indicator not registering 5 th gear on 6mt
I need more brain horsepower for this one, all of a sudden coming back from a mtn run I noticed anytime I go into 5 th gear the gear indicator led doesn't register 5th. All other gears read out as advertised. 1-4 ok no 5 then 6 ok.
Intermittently while rolling in 5 th gear it will finally come on but will indicate 4 th. Does anybody know where the gear indicator gets its input from. I don’t know if its from a mag pickup on transmission or wheel speed ring This Is a 2015. I did do the y58 2018 diff swap. But it’s be indicating fine Just want know if any body else had had an issue like this. I turned everything off on dash . I.E. shift buzzer and indicator. Disconnected battery relearned my fuel curves throttle position then turned it back on per manual. Same thing. Thx in advance. Steve |
03-07-2020, 06:33 PM | #2 |
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Hi, Steve. The gear indicator is calculated as a function involving the ratio of the wheel speed to the engine speed. Is the y58 shorter than stock?
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The Following User Says Thank You to Ultramaroon For This Useful Post: | sroby (03-07-2020) |
03-07-2020, 06:42 PM | #3 |
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Yes, as Ultramaroon wrote, it's calculated in ecu tune, and can be adjusted via most ecu tuning solutions for this platform (with exception of piggyback chips, which on the other hand rarely get used for these cars) there to work with different ratio FD. I hate this implementation though, as due how it is made, it feels very laggy.
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The Following User Says Thank You to churchx For This Useful Post: | sroby (03-07-2020) |
03-07-2020, 07:28 PM | #4 |
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I have a 2014 with a y58 diff swap and it did the exact same thing. Completely normal.
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The Following User Says Thank You to MCTeeJ For This Useful Post: | sroby (03-07-2020) |
03-07-2020, 07:50 PM | #5 |
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03-07-2020, 11:15 PM | #6 | |
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Thanks norcalpb
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03-07-2020, 11:25 PM | #7 | |
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Thx ultra
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Now if I can just get one of our wizards that smarter than me to give a small tutorial my life will be complete. I’m old and my pentium 2 processor of a brain just doesn’t work as fast as it used to, too much cross firing. I do appreciate the help as always from the group. |
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The Following User Says Thank You to sroby For This Useful Post: | Tcoat (03-08-2020) |
03-07-2020, 11:34 PM | #8 | |
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To modify the tune you'll need to download RomRaider and have 2 files handy called .xml and .bin I believe. Do you have access to those 2 files? With Ecutek you probably need the Canbus cable too.. |
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The Following User Says Thank You to norcalpb For This Useful Post: | sroby (03-08-2020) |
03-08-2020, 06:14 AM | #9 |
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If your current tune is by Delicious, most probably you'll need to go adjusting gear indicator calculation through them and then flash adjusted one, as i guess that your current tune is using ecutek and locked.
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The Following User Says Thank You to churchx For This Useful Post: | sroby (03-08-2020) |
03-08-2020, 11:54 AM | #10 | |
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I run 4.56 gears and have learned to happily ignore the gear indicator!
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03-08-2020, 11:59 AM | #11 |
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I’m going to check it out now. I’ll see if it will let me in. If not I’ll send a message to Bill at delicious Thanks again bud
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The Following User Says Thank You to sroby For This Useful Post: | norcalpb (03-08-2020) |
03-08-2020, 12:37 PM | #12 |
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you can t modify it yourself
it s locked by Delicious you need to email them and tell to modify the tables for gear indication calculation for the new fd |
03-08-2020, 08:03 PM | #13 |
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It'll be locked. Email Delicious and explain the situation to have them update the proper tables and send you a revised tune to flash.
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03-08-2020, 11:34 PM | #14 |
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The Following User Says Thank You to humfrz For This Useful Post: | sroby (03-09-2020) |
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