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Need for 1986 Convertible .. CF used to have a scan and tune section with all this stuff covered but now it only points to c4 tech & performance.
I got a vintage 2012 laptop running windows 8.1 ... will I be OK for ALDL cable and OBDI data?
Any good threads with most of this covered?
I am not that interested in tuning but rather scanning and diagnosing issues that come up.
I got the ALDL-Bluetooth adapter from 1320Electronics and have installed TunerPro-RT. I have my BT adapter paired correctly with my laptop but I'm still getting Hardware Not Found in TP. IAW instructions from TP I downloaded the older correct ADS file, Saved it as an ADX file but it seems to be missing critical parts of the ADX.
Sure wish the C4 scan and tune section was still alive;(
Does anyone have an ADX file that is known to work with TunerPro and the 1320Electronics Bluetooth adapter? 1986 Aluminum Heads, auto tranny.
Last edited by 3D-Aircrew; Apr 8, 2018 at 02:25 PM.
Start with a 160 baud adx file. Use the 10k setting and 160 baud setting on your adaptor. I’ve uploaded a 160 baud adx in another thread if you want to search for it.
Disregard the Hardware Not Found indicator. This just means that you don’t have an ostrich plugged in.
Under the Tools/Preferences.../Data Acq./Emulation check the com settings via the Configure Plug-in Component button (left side).
Note: 86s are notorious for connecting at 8192 baud. There are some possible work arounds, but we’ll cross that bridge when we come to it.
Note: these are general suggestions for logging with an 86. I have no direct experience with your Bluetooth adaptor and interface. Hopefully they will play well together with TunerPro.
Start with a 160 baud adx file. Use the 10k setting and 160 baud setting on your adaptor. I’ve uploaded a 160 baud adx in another thread if you want to search for it.
Disregard the Hardware Not Found indicator. This just means that you don’t have an ostrich plugged in.
Under the Tools/Preferences.../Data Acq./Emulation check the com settings via the Configure Plug-in Component button (left side).
Note: 86s are notorious for connecting at 8192 baud. There are some possible work arounds, but we’ll cross that bridge when we come to it.
Note: these are general suggestions for logging with an 86. I have no direct experience with your Bluetooth adaptor and interface. Hopefully they will play well together with TunerPro.
That's funny ... I just before this post found your ADX file and downloaded it ... thanks ... that did the trick I can now log!!!
So now I need some help interpreting the information from the scanner. Unfortunately the code 33 has not presented itself yet since I got the scanner hooked up.
So a code 33 is MAF voltage too high and I'm hypothesizing here but I know a hot wire anemometer works by changing resistance depending upon the air flow. So more flow would be a lower voltage and less flow would be a higher voltage. So the MAF is seeing lower flow than expected.
My O2 sensor reading was all over the place up and down the RPM range. Does the ECM make and educated guess at what the MAF should be reading depending on the O2 sensor output?
here is a test run in TP where I was just idling and revving in the driveway ... any gurus can help? I'm using Tunerpro RT
Using TunerPro RT I got a chance to datalog again this time with it driving and the code 33 active. I noticed that the airflow was behaving weird going high sometimes when the RPM was low and going low sometimes when the RPM was higher (thus the error code). I'll post the log tonight and maybe somebody can help me tell what it means. I still got to clean up my wiring as soon as I find a pigtail for the fan relay.
Data looks pretty reasonable at 1000 rpm. Airflow approx 8 gm/sec, tps 0.57 volts, IAC around 60 counts. BLM 138, so open loop cal is slightly lean at idle (nothing to worry about).
Data looks pretty reasonable at 1000 rpm. Airflow approx 8 gm/sec, tps 0.57 volts, IAC around 60 counts. BLM 138, so open loop cal is slightly lean at idle (nothing to worry about).
I have some new runs that I did yesterday ... my laptop took a dump last night but I did notice the "airflow" gauge on my dashboard was reading too high at times and too low at other times and seem to be intermittent. If I can fix my 'puter tonight I'll post those logs to. Both of them I had the code 33 set which is different from the above run.
Need to correct airflow signal conversion in adx. Divide by 255 (x/255) and set for floating point with 2 decimal places.
Note: When a MAF error code is active, the airflow signal is driven from the default airflow calculation instead of the sensor signal. (Default airflow calc is rpm, IAC, and tps dependent).
Last edited by tequilaboy; Apr 12, 2018 at 03:55 PM.
Need to correct airflow signal conversion in adx. Divide by 255 (x/255) and set for floating point with 2 decimal places.
Note: When a MAF error code is active, the airflow signal is driven from the default airflow calculation instead of the sensor signal. (Default airflow calc is rpm, IAC, and tps dependent).
I'll have to mmake those changes tommorow in the meantime these 2 runs threw the code 33.